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-rw-r--r--Documentation/devicetree/bindings/interrupt-controller/interrupts.txt4
-rw-r--r--Documentation/devicetree/bindings/pci/pci.txt11
-rw-r--r--Documentation/devicetree/bindings/pinctrl/img,tz1090-pdc-pinctrl.txt2
-rw-r--r--Documentation/devicetree/bindings/pinctrl/img,tz1090-pinctrl.txt2
-rw-r--r--Documentation/devicetree/bindings/pinctrl/lantiq,falcon-pinumx.txt2
-rw-r--r--Documentation/devicetree/bindings/pinctrl/lantiq,xway-pinumx.txt2
-rw-r--r--Documentation/devicetree/bindings/pinctrl/nvidia,tegra20-pinmux.txt2
-rw-r--r--Documentation/devicetree/bindings/pinctrl/pinctrl-sirf.txt2
-rw-r--r--Documentation/devicetree/bindings/pinctrl/pinctrl_spear.txt2
-rw-r--r--Documentation/devicetree/bindings/pinctrl/qcom,apq8064-pinctrl.txt2
-rw-r--r--Documentation/devicetree/bindings/pinctrl/qcom,apq8084-pinctrl.txt2
-rw-r--r--Documentation/devicetree/bindings/pinctrl/qcom,ipq8064-pinctrl.txt2
-rw-r--r--Documentation/devicetree/bindings/pinctrl/qcom,msm8960-pinctrl.txt2
-rw-r--r--Documentation/devicetree/bindings/pinctrl/qcom,msm8974-pinctrl.txt2
-rw-r--r--Documentation/devicetree/bindings/vendor-prefixes.txt5
-rw-r--r--Documentation/filesystems/overlayfs.txt2
-rw-r--r--MAINTAINERS7
-rw-r--r--Makefile2
-rw-r--r--arch/arm/boot/dts/r8a7740.dtsi2
-rw-r--r--arch/arm/boot/dts/r8a7790.dtsi4
-rw-r--r--arch/arm/boot/dts/sun6i-a31.dtsi4
-rw-r--r--arch/arm/boot/dts/tegra114-dalmore.dts1
-rw-r--r--arch/arm/boot/dts/tegra114-roth.dts9
-rw-r--r--arch/arm/boot/dts/tegra114-tn7.dts5
-rw-r--r--arch/arm/boot/dts/tegra114.dtsi7
-rw-r--r--arch/arm/boot/dts/tegra124-jetson-tk1.dts1
-rw-r--r--arch/arm/boot/dts/tegra124-nyan-big.dts1
-rw-r--r--arch/arm/boot/dts/tegra124-venice2.dts1
-rw-r--r--arch/arm/boot/dts/tegra124.dtsi8
-rw-r--r--arch/arm/boot/dts/tegra20-harmony.dts1
-rw-r--r--arch/arm/boot/dts/tegra20-iris-512.dts5
-rw-r--r--arch/arm/boot/dts/tegra20-medcom-wide.dts4
-rw-r--r--arch/arm/boot/dts/tegra20-paz00.dts2
-rw-r--r--arch/arm/boot/dts/tegra20-seaboard.dts1
-rw-r--r--arch/arm/boot/dts/tegra20-tamonten.dtsi1
-rw-r--r--arch/arm/boot/dts/tegra20-trimslice.dts1
-rw-r--r--arch/arm/boot/dts/tegra20-ventana.dts1
-rw-r--r--arch/arm/boot/dts/tegra20-whistler.dts1
-rw-r--r--arch/arm/boot/dts/tegra20.dtsi8
-rw-r--r--arch/arm/boot/dts/tegra30-apalis-eval.dts4
-rw-r--r--arch/arm/boot/dts/tegra30-beaver.dts1
-rw-r--r--arch/arm/boot/dts/tegra30-cardhu.dtsi2
-rw-r--r--arch/arm/boot/dts/tegra30-colibri-eval-v3.dts3
-rw-r--r--arch/arm/boot/dts/tegra30.dtsi8
-rw-r--r--arch/arm/configs/multi_v7_defconfig1
-rw-r--r--arch/arm/mach-shmobile/clock-r8a7740.c9
-rw-r--r--arch/arm/mach-shmobile/clock-r8a7790.c2
-rw-r--r--arch/arm/mach-shmobile/setup-sh73a0.c20
-rw-r--r--arch/mips/include/asm/jump_label.h8
-rw-r--r--arch/mips/include/asm/mach-loongson/cpu-feature-overrides.h2
-rw-r--r--arch/mips/include/asm/uaccess.h12
-rw-r--r--arch/mips/kernel/cpu-probe.c7
-rw-r--r--arch/mips/kernel/jump_label.c42
-rw-r--r--arch/mips/lib/memcpy.S1
-rw-r--r--arch/mips/loongson/loongson-3/numa.c1
-rw-r--r--arch/mips/mm/tlb-r4k.c4
-rw-r--r--arch/mips/oprofile/backtrace.c2
-rw-r--r--arch/mips/sgi-ip27/ip27-memory.c1
-rw-r--r--arch/powerpc/sysdev/fsl_msi.c2
-rw-r--r--arch/x86/Kconfig2
-rw-r--r--arch/x86/include/asm/page_32_types.h1
-rw-r--r--arch/x86/include/asm/page_64_types.h11
-rw-r--r--arch/x86/include/asm/thread_info.h2
-rw-r--r--arch/x86/include/asm/traps.h1
-rw-r--r--arch/x86/kernel/cpu/common.c2
-rw-r--r--arch/x86/kernel/cpu/microcode/core.c8
-rw-r--r--arch/x86/kernel/cpu/perf_event_intel_uncore_snbep.c49
-rw-r--r--arch/x86/kernel/dumpstack_64.c1
-rw-r--r--arch/x86/kernel/entry_64.S81
-rw-r--r--arch/x86/kernel/ptrace.c2
-rw-r--r--arch/x86/kernel/traps.c71
-rw-r--r--arch/x86/mm/init_64.c11
-rw-r--r--arch/x86/tools/calc_run_size.pl11
-rw-r--r--drivers/acpi/device_pm.c2
-rw-r--r--drivers/clocksource/sun4i_timer.c12
-rw-r--r--drivers/dma/pl330.c23
-rw-r--r--drivers/dma/sun6i-dma.c61
-rw-r--r--drivers/gpu/drm/i915/i915_dma.c10
-rw-r--r--drivers/gpu/drm/i915/intel_pm.c5
-rw-r--r--drivers/gpu/drm/radeon/r600_dpm.c2
-rw-r--r--drivers/gpu/drm/radeon/radeon_encoders.c3
-rw-r--r--drivers/infiniband/ulp/isert/ib_isert.c44
-rw-r--r--drivers/infiniband/ulp/srpt/ib_srpt.c8
-rw-r--r--drivers/net/bonding/bond_main.c3
-rw-r--r--drivers/net/can/dev.c4
-rw-r--r--drivers/net/can/m_can/Kconfig1
-rw-r--r--drivers/net/can/m_can/m_can.c219
-rw-r--r--drivers/net/can/rcar_can.c1
-rw-r--r--drivers/net/can/sja1000/kvaser_pci.c5
-rw-r--r--drivers/net/can/usb/ems_usb.c3
-rw-r--r--drivers/net/can/usb/esd_usb2.c3
-rw-r--r--drivers/net/can/usb/gs_usb.c1
-rw-r--r--drivers/net/can/xilinx_can.c4
-rw-r--r--drivers/net/ethernet/chelsio/cxgb4/cxgb4_dcb.c2
-rw-r--r--drivers/net/ethernet/emulex/benet/be_main.c6
-rw-r--r--drivers/net/ethernet/mellanox/mlx4/en_netdev.c13
-rw-r--r--drivers/net/ethernet/qlogic/qlcnic/qlcnic_main.c6
-rw-r--r--drivers/net/ethernet/ti/cpsw.c6
-rw-r--r--drivers/net/ieee802154/fakehard.c13
-rw-r--r--drivers/net/ppp/pptp.c4
-rw-r--r--drivers/net/usb/qmi_wwan.c1
-rw-r--r--drivers/net/virtio_net.c37
-rw-r--r--drivers/net/vxlan.c6
-rw-r--r--drivers/net/wireless/ath/ath9k/ar9003_phy.c13
-rw-r--r--drivers/net/wireless/ath/ath9k/hw.c13
-rw-r--r--drivers/net/wireless/ath/ath9k/main.c9
-rw-r--r--drivers/net/wireless/b43/phy_common.c4
-rw-r--r--drivers/net/wireless/brcm80211/brcmfmac/of.c4
-rw-r--r--drivers/net/wireless/brcm80211/brcmfmac/pcie.c2
-rw-r--r--drivers/net/wireless/brcm80211/brcmfmac/usb.c6
-rw-r--r--drivers/net/wireless/brcm80211/brcmfmac/wl_cfg80211.c6
-rw-r--r--drivers/net/wireless/iwlwifi/mvm/scan.c20
-rw-r--r--drivers/net/wireless/iwlwifi/pcie/trans.c3
-rw-r--r--drivers/net/wireless/rt2x00/rt2x00queue.c50
-rw-r--r--drivers/net/wireless/rtlwifi/pci.c19
-rw-r--r--drivers/net/wireless/rtlwifi/rtl8192se/hw.c7
-rw-r--r--drivers/net/wireless/rtlwifi/rtl8192se/phy.c2
-rw-r--r--drivers/net/wireless/rtlwifi/rtl8192se/sw.c16
-rw-r--r--drivers/of/address.c19
-rw-r--r--drivers/of/dynamic.c2
-rw-r--r--drivers/of/fdt.c2
-rw-r--r--drivers/of/selftest.c11
-rw-r--r--drivers/pci/access.c2
-rw-r--r--drivers/pci/host/pci-xgene.c7
-rw-r--r--drivers/pci/pci.h2
-rw-r--r--drivers/pci/probe.c30
-rw-r--r--drivers/scsi/cxgbi/cxgb4i/cxgb4i.c2
-rw-r--r--drivers/scsi/cxgbi/libcxgbi.c2
-rw-r--r--drivers/target/iscsi/iscsi_target.c2
-rw-r--r--drivers/target/target_core_pr.c9
-rw-r--r--drivers/target/target_core_transport.c2
-rw-r--r--drivers/vhost/scsi.c24
-rw-r--r--fs/Makefile2
-rw-r--r--fs/btrfs/ctree.c14
-rw-r--r--fs/btrfs/ctree.h7
-rw-r--r--fs/btrfs/dev-replace.c9
-rw-r--r--fs/btrfs/locking.c24
-rw-r--r--fs/btrfs/locking.h2
-rw-r--r--fs/btrfs/raid56.c763
-rw-r--r--fs/btrfs/raid56.h16
-rw-r--r--fs/btrfs/scrub.c803
-rw-r--r--fs/btrfs/volumes.c52
-rw-r--r--fs/btrfs/volumes.h14
-rw-r--r--fs/dcache.c1
-rw-r--r--fs/isofs/inode.c42
-rw-r--r--fs/overlayfs/Kconfig2
-rw-r--r--fs/overlayfs/Makefile4
-rw-r--r--fs/overlayfs/dir.c31
-rw-r--r--fs/overlayfs/inode.c27
-rw-r--r--fs/overlayfs/readdir.c39
-rw-r--r--fs/overlayfs/super.c61
-rw-r--r--include/linux/bitops.h7
-rw-r--r--include/linux/can/dev.h6
-rw-r--r--include/linux/inetdevice.h2
-rw-r--r--include/linux/kernel_stat.h5
-rw-r--r--include/linux/percpu-refcount.h8
-rw-r--r--include/net/netfilter/nf_tables.h2
-rw-r--r--include/net/vxlan.h18
-rw-r--r--include/sound/soc-dpcm.h2
-rw-r--r--kernel/events/core.c8
-rw-r--r--kernel/events/uprobes.c1
-rw-r--r--kernel/sched/core.c63
-rw-r--r--kernel/sched/deadline.c2
-rw-r--r--kernel/sched/fair.c14
-rw-r--r--kernel/sched/idle_task.c5
-rw-r--r--kernel/sched/rt.c2
-rw-r--r--kernel/sched/sched.h2
-rw-r--r--kernel/sched/stop_task.c5
-rw-r--r--kernel/time/posix-cpu-timers.c2
-rw-r--r--lib/Makefile4
-rw-r--r--net/bridge/br_multicast.c3
-rw-r--r--net/core/skbuff.c23
-rw-r--r--net/dcb/dcbnl.c36
-rw-r--r--net/ipv4/fib_rules.c4
-rw-r--r--net/ipv4/igmp.c11
-rw-r--r--net/ipv4/netfilter/nft_masq_ipv4.c1
-rw-r--r--net/ipv4/tcp_input.c4
-rw-r--r--net/ipv6/ip6mr.c4
-rw-r--r--net/ipv6/mcast.c9
-rw-r--r--net/ipv6/netfilter/nft_masq_ipv6.c1
-rw-r--r--net/ipx/af_ipx.c6
-rw-r--r--net/mac80211/aes_ccm.c3
-rw-r--r--net/mac80211/rc80211_minstrel_ht.c15
-rw-r--r--net/netfilter/ipset/ip_set_core.c6
-rw-r--r--net/netfilter/ipvs/ip_vs_xmit.c2
-rw-r--r--net/netfilter/nf_conntrack_core.c14
-rw-r--r--net/netfilter/nf_tables_api.c24
-rw-r--r--net/netfilter/nfnetlink.c12
-rw-r--r--net/netfilter/nft_compat.c40
-rw-r--r--net/openvswitch/actions.c10
-rw-r--r--net/openvswitch/datapath.c14
-rw-r--r--net/openvswitch/flow_netlink.c9
-rw-r--r--sound/pci/hda/patch_realtek.c8
-rw-r--r--sound/soc/codecs/cs42l51-i2c.c1
-rw-r--r--sound/soc/codecs/cs42l51.c4
-rw-r--r--sound/soc/codecs/cs42l51.h1
-rw-r--r--sound/soc/codecs/es8328-i2c.c2
-rw-r--r--sound/soc/codecs/max98090.c6
-rw-r--r--sound/soc/codecs/rt5645.c2
-rw-r--r--sound/soc/codecs/rt5670.c36
-rw-r--r--sound/soc/codecs/sgtl5000.c3
-rw-r--r--sound/soc/codecs/sgtl5000.h2
-rw-r--r--sound/soc/codecs/wm_adsp.c1
-rw-r--r--sound/soc/fsl/fsl_asrc.c26
-rw-r--r--sound/soc/rockchip/rockchip_i2s.c4
-rw-r--r--sound/soc/samsung/snow.c1
-rw-r--r--sound/soc/sh/fsi.c3
-rw-r--r--sound/soc/sh/rcar/core.c3
-rw-r--r--sound/soc/soc-core.c2
-rw-r--r--sound/soc/soc-pcm.c72
-rw-r--r--sound/usb/mixer.c7
-rw-r--r--sound/usb/quirks.c14
212 files changed, 2916 insertions, 910 deletions
diff --git a/Documentation/devicetree/bindings/interrupt-controller/interrupts.txt b/Documentation/devicetree/bindings/interrupt-controller/interrupts.txt
index ce6a1a072028..8a3c40829899 100644
--- a/Documentation/devicetree/bindings/interrupt-controller/interrupts.txt
+++ b/Documentation/devicetree/bindings/interrupt-controller/interrupts.txt
@@ -30,10 +30,6 @@ should only be used when a device has multiple interrupt parents.
Example:
interrupts-extended = <&intc1 5 1>, <&intc2 1 0>;
-A device node may contain either "interrupts" or "interrupts-extended", but not
-both. If both properties are present, then the operating system should log an
-error and use only the data in "interrupts".
-
2) Interrupt controller nodes
-----------------------------
diff --git a/Documentation/devicetree/bindings/pci/pci.txt b/Documentation/devicetree/bindings/pci/pci.txt
index 41aeed38926d..f8fbe9af7b2f 100644
--- a/Documentation/devicetree/bindings/pci/pci.txt
+++ b/Documentation/devicetree/bindings/pci/pci.txt
@@ -7,3 +7,14 @@ And for the interrupt mapping part:
Open Firmware Recommended Practice: Interrupt Mapping
http://www.openfirmware.org/1275/practice/imap/imap0_9d.pdf
+
+Additionally to the properties specified in the above standards a host bridge
+driver implementation may support the following properties:
+
+- linux,pci-domain:
+ If present this property assigns a fixed PCI domain number to a host bridge,
+ otherwise an unstable (across boots) unique number will be assigned.
+ It is required to either not set this property at all or set it for all
+ host bridges in the system, otherwise potentially conflicting domain numbers
+ may be assigned to root buses behind different host bridges. The domain
+ number for each host bridge in the system must be unique.
diff --git a/Documentation/devicetree/bindings/pinctrl/img,tz1090-pdc-pinctrl.txt b/Documentation/devicetree/bindings/pinctrl/img,tz1090-pdc-pinctrl.txt
index a186181c402b..51b943cc9770 100644
--- a/Documentation/devicetree/bindings/pinctrl/img,tz1090-pdc-pinctrl.txt
+++ b/Documentation/devicetree/bindings/pinctrl/img,tz1090-pdc-pinctrl.txt
@@ -9,7 +9,7 @@ Please refer to pinctrl-bindings.txt in this directory for details of the
common pinctrl bindings used by client devices, including the meaning of the
phrase "pin configuration node".
-TZ1090-PDC's pin configuration nodes act as a container for an abitrary number
+TZ1090-PDC's pin configuration nodes act as a container for an arbitrary number
of subnodes. Each of these subnodes represents some desired configuration for a
pin, a group, or a list of pins or groups. This configuration can include the
mux function to select on those pin(s)/group(s), and various pin configuration
diff --git a/Documentation/devicetree/bindings/pinctrl/img,tz1090-pinctrl.txt b/Documentation/devicetree/bindings/pinctrl/img,tz1090-pinctrl.txt
index 4b27c99f7f9d..49d0e6050940 100644
--- a/Documentation/devicetree/bindings/pinctrl/img,tz1090-pinctrl.txt
+++ b/Documentation/devicetree/bindings/pinctrl/img,tz1090-pinctrl.txt
@@ -9,7 +9,7 @@ Please refer to pinctrl-bindings.txt in this directory for details of the
common pinctrl bindings used by client devices, including the meaning of the
phrase "pin configuration node".
-TZ1090's pin configuration nodes act as a container for an abitrary number of
+TZ1090's pin configuration nodes act as a container for an arbitrary number of
subnodes. Each of these subnodes represents some desired configuration for a
pin, a group, or a list of pins or groups. This configuration can include the
mux function to select on those pin(s)/group(s), and various pin configuration
diff --git a/Documentation/devicetree/bindings/pinctrl/lantiq,falcon-pinumx.txt b/Documentation/devicetree/bindings/pinctrl/lantiq,falcon-pinumx.txt
index daa768956069..ac4da9fe07bd 100644
--- a/Documentation/devicetree/bindings/pinctrl/lantiq,falcon-pinumx.txt
+++ b/Documentation/devicetree/bindings/pinctrl/lantiq,falcon-pinumx.txt
@@ -9,7 +9,7 @@ Please refer to pinctrl-bindings.txt in this directory for details of the
common pinctrl bindings used by client devices, including the meaning of the
phrase "pin configuration node".
-Lantiq's pin configuration nodes act as a container for an abitrary number of
+Lantiq's pin configuration nodes act as a container for an arbitrary number of
subnodes. Each of these subnodes represents some desired configuration for a
pin, a group, or a list of pins or groups. This configuration can include the
mux function to select on those group(s), and two pin configuration parameters:
diff --git a/Documentation/devicetree/bindings/pinctrl/lantiq,xway-pinumx.txt b/Documentation/devicetree/bindings/pinctrl/lantiq,xway-pinumx.txt
index b5469db1d7ad..e89b4677567d 100644
--- a/Documentation/devicetree/bindings/pinctrl/lantiq,xway-pinumx.txt
+++ b/Documentation/devicetree/bindings/pinctrl/lantiq,xway-pinumx.txt
@@ -9,7 +9,7 @@ Please refer to pinctrl-bindings.txt in this directory for details of the
common pinctrl bindings used by client devices, including the meaning of the
phrase "pin configuration node".
-Lantiq's pin configuration nodes act as a container for an abitrary number of
+Lantiq's pin configuration nodes act as a container for an arbitrary number of
subnodes. Each of these subnodes represents some desired configuration for a
pin, a group, or a list of pins or groups. This configuration can include the
mux function to select on those group(s), and two pin configuration parameters:
diff --git a/Documentation/devicetree/bindings/pinctrl/nvidia,tegra20-pinmux.txt b/Documentation/devicetree/bindings/pinctrl/nvidia,tegra20-pinmux.txt
index 61e73cde9ae9..3c8ce28baad6 100644
--- a/Documentation/devicetree/bindings/pinctrl/nvidia,tegra20-pinmux.txt
+++ b/Documentation/devicetree/bindings/pinctrl/nvidia,tegra20-pinmux.txt
@@ -9,7 +9,7 @@ Please refer to pinctrl-bindings.txt in this directory for details of the
common pinctrl bindings used by client devices, including the meaning of the
phrase "pin configuration node".
-Tegra's pin configuration nodes act as a container for an abitrary number of
+Tegra's pin configuration nodes act as a container for an arbitrary number of
subnodes. Each of these subnodes represents some desired configuration for a
pin, a group, or a list of pins or groups. This configuration can include the
mux function to select on those pin(s)/group(s), and various pin configuration
diff --git a/Documentation/devicetree/bindings/pinctrl/pinctrl-sirf.txt b/Documentation/devicetree/bindings/pinctrl/pinctrl-sirf.txt
index c596a6ad3285..5f55be59d914 100644
--- a/Documentation/devicetree/bindings/pinctrl/pinctrl-sirf.txt
+++ b/Documentation/devicetree/bindings/pinctrl/pinctrl-sirf.txt
@@ -13,7 +13,7 @@ Optional properties:
Please refer to pinctrl-bindings.txt in this directory for details of the common
pinctrl bindings used by client devices.
-SiRFprimaII's pinmux nodes act as a container for an abitrary number of subnodes.
+SiRFprimaII's pinmux nodes act as a container for an arbitrary number of subnodes.
Each of these subnodes represents some desired configuration for a group of pins.
Required subnode-properties:
diff --git a/Documentation/devicetree/bindings/pinctrl/pinctrl_spear.txt b/Documentation/devicetree/bindings/pinctrl/pinctrl_spear.txt
index b4480d5c3aca..458615596946 100644
--- a/Documentation/devicetree/bindings/pinctrl/pinctrl_spear.txt
+++ b/Documentation/devicetree/bindings/pinctrl/pinctrl_spear.txt
@@ -32,7 +32,7 @@ Required properties:
Please refer to pinctrl-bindings.txt in this directory for details of the common
pinctrl bindings used by client devices.
-SPEAr's pinmux nodes act as a container for an abitrary number of subnodes. Each
+SPEAr's pinmux nodes act as a container for an arbitrary number of subnodes. Each
of these subnodes represents muxing for a pin, a group, or a list of pins or
groups.
diff --git a/Documentation/devicetree/bindings/pinctrl/qcom,apq8064-pinctrl.txt b/Documentation/devicetree/bindings/pinctrl/qcom,apq8064-pinctrl.txt
index 2fb90b37aa09..a7bde64798c7 100644
--- a/Documentation/devicetree/bindings/pinctrl/qcom,apq8064-pinctrl.txt
+++ b/Documentation/devicetree/bindings/pinctrl/qcom,apq8064-pinctrl.txt
@@ -18,7 +18,7 @@ Please refer to pinctrl-bindings.txt in this directory for details of the
common pinctrl bindings used by client devices, including the meaning of the
phrase "pin configuration node".
-Qualcomm's pin configuration nodes act as a container for an abitrary number of
+Qualcomm's pin configuration nodes act as a container for an arbitrary number of
subnodes. Each of these subnodes represents some desired configuration for a
pin, a group, or a list of pins or groups. This configuration can include the
mux function to select on those pin(s)/group(s), and various pin configuration
diff --git a/Documentation/devicetree/bindings/pinctrl/qcom,apq8084-pinctrl.txt b/Documentation/devicetree/bindings/pinctrl/qcom,apq8084-pinctrl.txt
index ffafa1990a30..c4ea61ac56f2 100644
--- a/Documentation/devicetree/bindings/pinctrl/qcom,apq8084-pinctrl.txt
+++ b/Documentation/devicetree/bindings/pinctrl/qcom,apq8084-pinctrl.txt
@@ -47,7 +47,7 @@ Please refer to pinctrl-bindings.txt in this directory for details of the
common pinctrl bindings used by client devices, including the meaning of the
phrase "pin configuration node".
-The pin configuration nodes act as a container for an abitrary number of
+The pin configuration nodes act as a container for an arbitrary number of
subnodes. Each of these subnodes represents some desired configuration for a
pin, a group, or a list of pins or groups. This configuration can include the
mux function to select on those pin(s)/group(s), and various pin configuration
diff --git a/Documentation/devicetree/bindings/pinctrl/qcom,ipq8064-pinctrl.txt b/Documentation/devicetree/bindings/pinctrl/qcom,ipq8064-pinctrl.txt
index e33e4dcdce79..6e88e91feb11 100644
--- a/Documentation/devicetree/bindings/pinctrl/qcom,ipq8064-pinctrl.txt
+++ b/Documentation/devicetree/bindings/pinctrl/qcom,ipq8064-pinctrl.txt
@@ -18,7 +18,7 @@ Please refer to pinctrl-bindings.txt in this directory for details of the
common pinctrl bindings used by client devices, including the meaning of the
phrase "pin configuration node".
-Qualcomm's pin configuration nodes act as a container for an abitrary number of
+Qualcomm's pin configuration nodes act as a container for an arbitrary number of
subnodes. Each of these subnodes represents some desired configuration for a
pin, a group, or a list of pins or groups. This configuration can include the
mux function to select on those pin(s)/group(s), and various pin configuration
diff --git a/Documentation/devicetree/bindings/pinctrl/qcom,msm8960-pinctrl.txt b/Documentation/devicetree/bindings/pinctrl/qcom,msm8960-pinctrl.txt
index 93b7de91b9f6..eb8d8aa41f20 100644
--- a/Documentation/devicetree/bindings/pinctrl/qcom,msm8960-pinctrl.txt
+++ b/Documentation/devicetree/bindings/pinctrl/qcom,msm8960-pinctrl.txt
@@ -47,7 +47,7 @@ Please refer to pinctrl-bindings.txt in this directory for details of the
common pinctrl bindings used by client devices, including the meaning of the
phrase "pin configuration node".
-The pin configuration nodes act as a container for an abitrary number of
+The pin configuration nodes act as a container for an arbitrary number of
subnodes. Each of these subnodes represents some desired configuration for a
pin, a group, or a list of pins or groups. This configuration can include the
mux function to select on those pin(s)/group(s), and various pin configuration
diff --git a/Documentation/devicetree/bindings/pinctrl/qcom,msm8974-pinctrl.txt b/Documentation/devicetree/bindings/pinctrl/qcom,msm8974-pinctrl.txt
index d2ea80dc43eb..e4d6a9d20f7d 100644
--- a/Documentation/devicetree/bindings/pinctrl/qcom,msm8974-pinctrl.txt
+++ b/Documentation/devicetree/bindings/pinctrl/qcom,msm8974-pinctrl.txt
@@ -18,7 +18,7 @@ Please refer to pinctrl-bindings.txt in this directory for details of the
common pinctrl bindings used by client devices, including the meaning of the
phrase "pin configuration node".
-Qualcomm's pin configuration nodes act as a container for an abitrary number of
+Qualcomm's pin configuration nodes act as a container for an arbitrary number of
subnodes. Each of these subnodes represents some desired configuration for a
pin, a group, or a list of pins or groups. This configuration can include the
mux function to select on those pin(s)/group(s), and various pin configuration
diff --git a/Documentation/devicetree/bindings/vendor-prefixes.txt b/Documentation/devicetree/bindings/vendor-prefixes.txt
index 723999d73744..a344ec2713a5 100644
--- a/Documentation/devicetree/bindings/vendor-prefixes.txt
+++ b/Documentation/devicetree/bindings/vendor-prefixes.txt
@@ -34,6 +34,7 @@ chipidea Chipidea, Inc
chrp Common Hardware Reference Platform
chunghwa Chunghwa Picture Tubes Ltd.
cirrus Cirrus Logic, Inc.
+cnm Chips&Media, Inc.
cortina Cortina Systems, Inc.
crystalfontz Crystalfontz America, Inc.
dallas Maxim Integrated Products (formerly Dallas Semiconductor)
@@ -92,6 +93,7 @@ maxim Maxim Integrated Products
mediatek MediaTek Inc.
micrel Micrel Inc.
microchip Microchip Technology Inc.
+micron Micron Technology Inc.
mitsubishi Mitsubishi Electric Corporation
mosaixtech Mosaix Technologies, Inc.
moxa Moxa
@@ -127,6 +129,7 @@ renesas Renesas Electronics Corporation
ricoh Ricoh Co. Ltd.
rockchip Fuzhou Rockchip Electronics Co., Ltd
samsung Samsung Semiconductor
+sandisk Sandisk Corporation
sbs Smart Battery System
schindler Schindler
seagate Seagate Technology PLC
@@ -138,7 +141,7 @@ silergy Silergy Corp.
sirf SiRF Technology, Inc.
sitronix Sitronix Technology Corporation
smsc Standard Microsystems Corporation
-snps Synopsys, Inc.
+snps Synopsys, Inc.
solidrun SolidRun
sony Sony Corporation
spansion Spansion Inc.
diff --git a/Documentation/filesystems/overlayfs.txt b/Documentation/filesystems/overlayfs.txt
index 530850a72735..a27c950ece61 100644
--- a/Documentation/filesystems/overlayfs.txt
+++ b/Documentation/filesystems/overlayfs.txt
@@ -64,7 +64,7 @@ is formed.
At mount time, the two directories given as mount options "lowerdir" and
"upperdir" are combined into a merged directory:
- mount -t overlayfs overlayfs -olowerdir=/lower,upperdir=/upper,\
+ mount -t overlay overlay -olowerdir=/lower,upperdir=/upper,\
workdir=/work /merged
The "workdir" needs to be an empty directory on the same filesystem
diff --git a/MAINTAINERS b/MAINTAINERS
index c444907ccd69..0ff630de8a6d 100644
--- a/MAINTAINERS
+++ b/MAINTAINERS
@@ -6888,11 +6888,12 @@ F: drivers/scsi/osd/
F: include/scsi/osd_*
F: fs/exofs/
-OVERLAYFS FILESYSTEM
+OVERLAY FILESYSTEM
M: Miklos Szeredi <miklos@szeredi.hu>
-L: linux-fsdevel@vger.kernel.org
+L: linux-unionfs@vger.kernel.org
+T: git git://git.kernel.org/pub/scm/linux/kernel/git/mszeredi/vfs.git
S: Supported
-F: fs/overlayfs/*
+F: fs/overlayfs/
F: Documentation/filesystems/overlayfs.txt
P54 WIRELESS DRIVER
diff --git a/Makefile b/Makefile
index 00d618bbe8e7..2fd5c4e5c139 100644
--- a/Makefile
+++ b/Makefile
@@ -1,7 +1,7 @@
VERSION = 3
PATCHLEVEL = 18
SUBLEVEL = 0
-EXTRAVERSION = -rc5
+EXTRAVERSION = -rc6
NAME = Diseased Newt
# *DOCUMENTATION*
diff --git a/arch/arm/boot/dts/r8a7740.dtsi b/arch/arm/boot/dts/r8a7740.dtsi
index d46c213a17ad..eed697a6bd6b 100644
--- a/arch/arm/boot/dts/r8a7740.dtsi
+++ b/arch/arm/boot/dts/r8a7740.dtsi
@@ -433,7 +433,7 @@
clocks = <&cpg_clocks R8A7740_CLK_S>,
<&cpg_clocks R8A7740_CLK_S>, <&sub_clk>,
<&cpg_clocks R8A7740_CLK_B>,
- <&sub_clk>, <&sub_clk>,
+ <&cpg_clocks R8A7740_CLK_HPP>, <&sub_clk>,
<&cpg_clocks R8A7740_CLK_B>;
#clock-cells = <1>;
renesas,clock-indices = <
diff --git a/arch/arm/boot/dts/r8a7790.dtsi b/arch/arm/boot/dts/r8a7790.dtsi
index d0e17733dc1a..e20affe156c1 100644
--- a/arch/arm/boot/dts/r8a7790.dtsi
+++ b/arch/arm/boot/dts/r8a7790.dtsi
@@ -666,9 +666,9 @@
#clock-cells = <0>;
clock-output-names = "sd2";
};
- sd3_clk: sd3_clk@e615007c {
+ sd3_clk: sd3_clk@e615026c {
compatible = "renesas,r8a7790-div6-clock", "renesas,cpg-div6-clock";
- reg = <0 0xe615007c 0 4>;
+ reg = <0 0xe615026c 0 4>;
clocks = <&pll1_div2_clk>;
#clock-cells = <0>;
clock-output-names = "sd3";
diff --git a/arch/arm/boot/dts/sun6i-a31.dtsi b/arch/arm/boot/dts/sun6i-a31.dtsi
index 543f895d18d3..2e652e2339e9 100644
--- a/arch/arm/boot/dts/sun6i-a31.dtsi
+++ b/arch/arm/boot/dts/sun6i-a31.dtsi
@@ -361,6 +361,10 @@
clocks = <&ahb1_gates 6>;
resets = <&ahb1_rst 6>;
#dma-cells = <1>;
+
+ /* DMA controller requires AHB1 clocked from PLL6 */
+ assigned-clocks = <&ahb1_mux>;
+ assigned-clock-parents = <&pll6>;
};
mmc0: mmc@01c0f000 {
diff --git a/arch/arm/boot/dts/tegra114-dalmore.dts b/arch/arm/boot/dts/tegra114-dalmore.dts
index 5c21d216515a..8b7aa0dcdc6e 100644
--- a/arch/arm/boot/dts/tegra114-dalmore.dts
+++ b/arch/arm/boot/dts/tegra114-dalmore.dts
@@ -15,6 +15,7 @@
aliases {
rtc0 = "/i2c@7000d000/tps65913@58";
rtc1 = "/rtc@7000e000";
+ serial0 = &uartd;
};
memory {
diff --git a/arch/arm/boot/dts/tegra114-roth.dts b/arch/arm/boot/dts/tegra114-roth.dts
index c7c6825f11fb..38acf78d7815 100644
--- a/arch/arm/boot/dts/tegra114-roth.dts
+++ b/arch/arm/boot/dts/tegra114-roth.dts
@@ -15,6 +15,10 @@
linux,initrd-end = <0x82800000>;
};
+ aliases {
+ serial0 = &uartd;
+ };
+
firmware {
trusted-foundations {
compatible = "tlm,trusted-foundations";
@@ -916,8 +920,6 @@
regulator-name = "vddio-sdmmc3";
regulator-min-microvolt = <1800000>;
regulator-max-microvolt = <3300000>;
- regulator-always-on;
- regulator-boot-on;
};
ldousb {
@@ -962,7 +964,7 @@
sdhci@78000400 {
status = "okay";
bus-width = <4>;
- vmmc-supply = <&vddio_sdmmc3>;
+ vqmmc-supply = <&vddio_sdmmc3>;
cd-gpios = <&gpio TEGRA_GPIO(V, 2) GPIO_ACTIVE_LOW>;
power-gpios = <&gpio TEGRA_GPIO(H, 0) GPIO_ACTIVE_HIGH>;
};
@@ -971,7 +973,6 @@
sdhci@78000600 {
status = "okay";
bus-width = <8>;
- vmmc-supply = <&vdd_1v8>;
non-removable;
};
diff --git a/arch/arm/boot/dts/tegra114-tn7.dts b/arch/arm/boot/dts/tegra114-tn7.dts
index 963662145635..f91c2c9b2f94 100644
--- a/arch/arm/boot/dts/tegra114-tn7.dts
+++ b/arch/arm/boot/dts/tegra114-tn7.dts
@@ -15,6 +15,10 @@
linux,initrd-end = <0x82800000>;
};
+ aliases {
+ serial0 = &uartd;
+ };
+
firmware {
trusted-foundations {
compatible = "tlm,trusted-foundations";
@@ -240,7 +244,6 @@
sdhci@78000600 {
status = "okay";
bus-width = <8>;
- vmmc-supply = <&vdd_1v8>;
non-removable;
};
diff --git a/arch/arm/boot/dts/tegra114.dtsi b/arch/arm/boot/dts/tegra114.dtsi
index 2ca9c1807f72..222f3b3f4dd5 100644
--- a/arch/arm/boot/dts/tegra114.dtsi
+++ b/arch/arm/boot/dts/tegra114.dtsi
@@ -9,13 +9,6 @@
compatible = "nvidia,tegra114";
interrupt-parent = <&gic>;
- aliases {
- serial0 = &uarta;
- serial1 = &uartb;
- serial2 = &uartc;
- serial3 = &uartd;
- };
-
host1x@50000000 {
compatible = "nvidia,tegra114-host1x", "simple-bus";
reg = <0x50000000 0x00028000>;
diff --git a/arch/arm/boot/dts/tegra124-jetson-tk1.dts b/arch/arm/boot/dts/tegra124-jetson-tk1.dts
index 029c9a021541..51b373ff1065 100644
--- a/arch/arm/boot/dts/tegra124-jetson-tk1.dts
+++ b/arch/arm/boot/dts/tegra124-jetson-tk1.dts
@@ -10,6 +10,7 @@
aliases {
rtc0 = "/i2c@0,7000d000/pmic@40";
rtc1 = "/rtc@0,7000e000";
+ serial0 = &uartd;
};
memory {
diff --git a/arch/arm/boot/dts/tegra124-nyan-big.dts b/arch/arm/boot/dts/tegra124-nyan-big.dts
index 7d0784ce4c74..53181d310247 100644
--- a/arch/arm/boot/dts/tegra124-nyan-big.dts
+++ b/arch/arm/boot/dts/tegra124-nyan-big.dts
@@ -10,6 +10,7 @@
aliases {
rtc0 = "/i2c@0,7000d000/pmic@40";
rtc1 = "/rtc@0,7000e000";
+ serial0 = &uarta;
};
memory {
diff --git a/arch/arm/boot/dts/tegra124-venice2.dts b/arch/arm/boot/dts/tegra124-venice2.dts
index 13008858e967..5c3f7813360d 100644
--- a/arch/arm/boot/dts/tegra124-venice2.dts
+++ b/arch/arm/boot/dts/tegra124-venice2.dts
@@ -10,6 +10,7 @@
aliases {
rtc0 = "/i2c@0,7000d000/pmic@40";
rtc1 = "/rtc@0,7000e000";
+ serial0 = &uarta;
};
memory {
diff --git a/arch/arm/boot/dts/tegra124.dtsi b/arch/arm/boot/dts/tegra124.dtsi
index 478c555ebd96..df2b06b29985 100644
--- a/arch/arm/boot/dts/tegra124.dtsi
+++ b/arch/arm/boot/dts/tegra124.dtsi
@@ -286,7 +286,7 @@
* the APB DMA based serial driver, the comptible is
* "nvidia,tegra124-hsuart", "nvidia,tegra30-hsuart".
*/
- serial@0,70006000 {
+ uarta: serial@0,70006000 {
compatible = "nvidia,tegra124-uart", "nvidia,tegra20-uart";
reg = <0x0 0x70006000 0x0 0x40>;
reg-shift = <2>;
@@ -299,7 +299,7 @@
status = "disabled";
};
- serial@0,70006040 {
+ uartb: serial@0,70006040 {
compatible = "nvidia,tegra124-uart", "nvidia,tegra20-uart";
reg = <0x0 0x70006040 0x0 0x40>;
reg-shift = <2>;
@@ -312,7 +312,7 @@
status = "disabled";
};
- serial@0,70006200 {
+ uartc: serial@0,70006200 {
compatible = "nvidia,tegra124-uart", "nvidia,tegra20-uart";
reg = <0x0 0x70006200 0x0 0x40>;
reg-shift = <2>;
@@ -325,7 +325,7 @@
status = "disabled";
};
- serial@0,70006300 {
+ uartd: serial@0,70006300 {
compatible = "nvidia,tegra124-uart", "nvidia,tegra20-uart";
reg = <0x0 0x70006300 0x0 0x40>;
reg-shift = <2>;
diff --git a/arch/arm/boot/dts/tegra20-harmony.dts b/arch/arm/boot/dts/tegra20-harmony.dts
index a37279af687c..b926a07b9443 100644
--- a/arch/arm/boot/dts/tegra20-harmony.dts
+++ b/arch/arm/boot/dts/tegra20-harmony.dts
@@ -10,6 +10,7 @@
aliases {
rtc0 = "/i2c@7000d000/tps6586x@34";
rtc1 = "/rtc@7000e000";
+ serial0 = &uartd;
};
memory {
diff --git a/arch/arm/boot/dts/tegra20-iris-512.dts b/arch/arm/boot/dts/tegra20-iris-512.dts
index 8cfb83f42e1f..1dd7d7bfdfcc 100644
--- a/arch/arm/boot/dts/tegra20-iris-512.dts
+++ b/arch/arm/boot/dts/tegra20-iris-512.dts
@@ -6,6 +6,11 @@
model = "Toradex Colibri T20 512MB on Iris";
compatible = "toradex,iris", "toradex,colibri_t20-512", "nvidia,tegra20";
+ aliases {
+ serial0 = &uarta;
+ serial1 = &uartd;
+ };
+
host1x@50000000 {
hdmi@54280000 {
status = "okay";
diff --git a/arch/arm/boot/dts/tegra20-medcom-wide.dts b/arch/arm/boot/dts/tegra20-medcom-wide.dts
index 1b7c56b33aca..9b87526ab0b7 100644
--- a/arch/arm/boot/dts/tegra20-medcom-wide.dts
+++ b/arch/arm/boot/dts/tegra20-medcom-wide.dts
@@ -6,6 +6,10 @@
model = "Avionic Design Medcom-Wide board";
compatible = "ad,medcom-wide", "ad,tamonten", "nvidia,tegra20";
+ aliases {
+ serial0 = &uartd;
+ };
+
pwm@7000a000 {
status = "okay";
};
diff --git a/arch/arm/boot/dts/tegra20-paz00.dts b/arch/arm/boot/dts/tegra20-paz00.dts
index d4438e30de45..ed7e1009326c 100644
--- a/arch/arm/boot/dts/tegra20-paz00.dts
+++ b/arch/arm/boot/dts/tegra20-paz00.dts
@@ -10,6 +10,8 @@
aliases {
rtc0 = "/i2c@7000d000/tps6586x@34";
rtc1 = "/rtc@7000e000";
+ serial0 = &uarta;
+ serial1 = &uartc;
};
memory {
diff --git a/arch/arm/boot/dts/tegra20-seaboard.dts b/arch/arm/boot/dts/tegra20-seaboard.dts
index a1d4bf9895d7..ea282c7c0ca5 100644
--- a/arch/arm/boot/dts/tegra20-seaboard.dts
+++ b/arch/arm/boot/dts/tegra20-seaboard.dts
@@ -10,6 +10,7 @@
aliases {
rtc0 = "/i2c@7000d000/tps6586x@34";
rtc1 = "/rtc@7000e000";
+ serial0 = &uartd;
};
memory {
diff --git a/arch/arm/boot/dts/tegra20-tamonten.dtsi b/arch/arm/boot/dts/tegra20-tamonten.dtsi
index 80e7d386ce34..13d4e6185275 100644
--- a/arch/arm/boot/dts/tegra20-tamonten.dtsi
+++ b/arch/arm/boot/dts/tegra20-tamonten.dtsi
@@ -7,6 +7,7 @@
aliases {
rtc0 = "/i2c@7000d000/tps6586x@34";
rtc1 = "/rtc@7000e000";
+ serial0 = &uartd;
};
memory {
diff --git a/arch/arm/boot/dts/tegra20-trimslice.dts b/arch/arm/boot/dts/tegra20-trimslice.dts
index 5ad87979ab13..d99af4ef9c64 100644
--- a/arch/arm/boot/dts/tegra20-trimslice.dts
+++ b/arch/arm/boot/dts/tegra20-trimslice.dts
@@ -10,6 +10,7 @@
aliases {
rtc0 = "/i2c@7000c500/rtc@56";
rtc1 = "/rtc@7000e000";
+ serial0 = &uarta;
};
memory {
diff --git a/arch/arm/boot/dts/tegra20-ventana.dts b/arch/arm/boot/dts/tegra20-ventana.dts
index ca8484cccddc..04c58e9ca490 100644
--- a/arch/arm/boot/dts/tegra20-ventana.dts
+++ b/arch/arm/boot/dts/tegra20-ventana.dts
@@ -10,6 +10,7 @@
aliases {
rtc0 = "/i2c@7000d000/tps6586x@34";
rtc1 = "/rtc@7000e000";
+ serial0 = &uartd;
};
memory {
diff --git a/arch/arm/boot/dts/tegra20-whistler.dts b/arch/arm/boot/dts/tegra20-whistler.dts
index 1843725785c9..340d81108df1 100644
--- a/arch/arm/boot/dts/tegra20-whistler.dts
+++ b/arch/arm/boot/dts/tegra20-whistler.dts
@@ -10,6 +10,7 @@
aliases {
rtc0 = "/i2c@7000d000/max8907@3c";
rtc1 = "/rtc@7000e000";
+ serial0 = &uarta;
};
memory {
diff --git a/arch/arm/boot/dts/tegra20.dtsi b/arch/arm/boot/dts/tegra20.dtsi
index 3b374c49d04d..8acf5d85c99d 100644
--- a/arch/arm/boot/dts/tegra20.dtsi
+++ b/arch/arm/boot/dts/tegra20.dtsi
@@ -9,14 +9,6 @@
compatible = "nvidia,tegra20";
interrupt-parent = <&intc>;
- aliases {
- serial0 = &uarta;
- serial1 = &uartb;
- serial2 = &uartc;
- serial3 = &uartd;
- serial4 = &uarte;
- };
-
host1x@50000000 {
compatible = "nvidia,tegra20-host1x", "simple-bus";
reg = <0x50000000 0x00024000>;
diff --git a/arch/arm/boot/dts/tegra30-apalis-eval.dts b/arch/arm/boot/dts/tegra30-apalis-eval.dts
index 45d40f024585..6236bdecb48b 100644
--- a/arch/arm/boot/dts/tegra30-apalis-eval.dts
+++ b/arch/arm/boot/dts/tegra30-apalis-eval.dts
@@ -11,6 +11,10 @@
rtc0 = "/i2c@7000c000/rtc@68";
rtc1 = "/i2c@7000d000/tps65911@2d";
rtc2 = "/rtc@7000e000";
+ serial0 = &uarta;
+ serial1 = &uartb;
+ serial2 = &uartc;
+ serial3 = &uartd;
};
pcie-controller@00003000 {
diff --git a/arch/arm/boot/dts/tegra30-beaver.dts b/arch/arm/boot/dts/tegra30-beaver.dts
index cee8f2246fdb..6b157eeabcc5 100644
--- a/arch/arm/boot/dts/tegra30-beaver.dts
+++ b/arch/arm/boot/dts/tegra30-beaver.dts
@@ -9,6 +9,7 @@
aliases {
rtc0 = "/i2c@7000d000/tps65911@2d";
rtc1 = "/rtc@7000e000";
+ serial0 = &uarta;
};
memory {
diff --git a/arch/arm/boot/dts/tegra30-cardhu.dtsi b/arch/arm/boot/dts/tegra30-cardhu.dtsi
index 206379546244..a1b682ea01bd 100644
--- a/arch/arm/boot/dts/tegra30-cardhu.dtsi
+++ b/arch/arm/boot/dts/tegra30-cardhu.dtsi
@@ -30,6 +30,8 @@
aliases {
rtc0 = "/i2c@7000d000/tps65911@2d";
rtc1 = "/rtc@7000e000";
+ serial0 = &uarta;
+ serial1 = &uartc;
};
memory {
diff --git a/arch/arm/boot/dts/tegra30-colibri-eval-v3.dts b/arch/arm/boot/dts/tegra30-colibri-eval-v3.dts
index 7793abd5bef1..4d3ddc585641 100644
--- a/arch/arm/boot/dts/tegra30-colibri-eval-v3.dts
+++ b/arch/arm/boot/dts/tegra30-colibri-eval-v3.dts
@@ -10,6 +10,9 @@
rtc0 = "/i2c@7000c000/rtc@68";
rtc1 = "/i2c@7000d000/tps65911@2d";
rtc2 = "/rtc@7000e000";
+ serial0 = &uarta;
+ serial1 = &uartb;
+ serial2 = &uartd;
};
host1x@50000000 {
diff --git a/arch/arm/boot/dts/tegra30.dtsi b/arch/arm/boot/dts/tegra30.dtsi
index aa6ccea13d30..b270b9e3d455 100644
--- a/arch/arm/boot/dts/tegra30.dtsi
+++ b/arch/arm/boot/dts/tegra30.dtsi
@@ -9,14 +9,6 @@
compatible = "nvidia,tegra30";
interrupt-parent = <&intc>;
- aliases {
- serial0 = &uarta;
- serial1 = &uartb;
- serial2 = &uartc;
- serial3 = &uartd;
- serial4 = &uarte;
- };
-
pcie-controller@00003000 {
compatible = "nvidia,tegra30-pcie";
device_type = "pci";
diff --git a/arch/arm/configs/multi_v7_defconfig b/arch/arm/configs/multi_v7_defconfig
index 3487046d8a78..9d7a32f93fcf 100644
--- a/arch/arm/configs/multi_v7_defconfig
+++ b/arch/arm/configs/multi_v7_defconfig
@@ -217,6 +217,7 @@ CONFIG_I2C_CADENCE=y
CONFIG_I2C_DESIGNWARE_PLATFORM=y
CONFIG_I2C_EXYNOS5=y
CONFIG_I2C_MV64XXX=y
+CONFIG_I2C_S3C2410=y
CONFIG_I2C_SIRF=y
CONFIG_I2C_TEGRA=y
CONFIG_I2C_ST=y
diff --git a/arch/arm/mach-shmobile/clock-r8a7740.c b/arch/arm/mach-shmobile/clock-r8a7740.c
index 0794f0426e70..19df9cb30495 100644
--- a/arch/arm/mach-shmobile/clock-r8a7740.c
+++ b/arch/arm/mach-shmobile/clock-r8a7740.c
@@ -455,7 +455,7 @@ enum {
MSTP128, MSTP127, MSTP125,
MSTP116, MSTP111, MSTP100, MSTP117,
- MSTP230,
+ MSTP230, MSTP229,
MSTP222,
MSTP218, MSTP217, MSTP216, MSTP214,
MSTP207, MSTP206, MSTP204, MSTP203, MSTP202, MSTP201, MSTP200,
@@ -474,11 +474,12 @@ static struct clk mstp_clks[MSTP_NR] = {
[MSTP127] = SH_CLK_MSTP32(&div4_clks[DIV4_S], SMSTPCR1, 27, 0), /* CEU20 */
[MSTP125] = SH_CLK_MSTP32(&div6_clks[DIV6_SUB], SMSTPCR1, 25, 0), /* TMU0 */
[MSTP117] = SH_CLK_MSTP32(&div4_clks[DIV4_B], SMSTPCR1, 17, 0), /* LCDC1 */
- [MSTP116] = SH_CLK_MSTP32(&div6_clks[DIV6_SUB], SMSTPCR1, 16, 0), /* IIC0 */
+ [MSTP116] = SH_CLK_MSTP32(&div4_clks[DIV4_HPP], SMSTPCR1, 16, 0), /* IIC0 */
[MSTP111] = SH_CLK_MSTP32(&div6_clks[DIV6_SUB], SMSTPCR1, 11, 0), /* TMU1 */
[MSTP100] = SH_CLK_MSTP32(&div4_clks[DIV4_B], SMSTPCR1, 0, 0), /* LCDC0 */
[MSTP230] = SH_CLK_MSTP32(&div6_clks[DIV6_SUB], SMSTPCR2, 30, 0), /* SCIFA6 */
+ [MSTP229] = SH_CLK_MSTP32(&div4_clks[DIV4_HP], SMSTPCR2, 29, 0), /* INTCA */
[MSTP222] = SH_CLK_MSTP32(&div6_clks[DIV6_SUB], SMSTPCR2, 22, 0), /* SCIFA7 */
[MSTP218] = SH_CLK_MSTP32(&div4_clks[DIV4_HP], SMSTPCR2, 18, 0), /* DMAC1 */
[MSTP217] = SH_CLK_MSTP32(&div4_clks[DIV4_HP], SMSTPCR2, 17, 0), /* DMAC2 */
@@ -575,6 +576,10 @@ static struct clk_lookup lookups[] = {
CLKDEV_DEV_ID("sh-dma-engine.0", &mstp_clks[MSTP218]),
CLKDEV_DEV_ID("sh-sci.7", &mstp_clks[MSTP222]),
CLKDEV_DEV_ID("e6cd0000.serial", &mstp_clks[MSTP222]),
+ CLKDEV_DEV_ID("renesas_intc_irqpin.0", &mstp_clks[MSTP229]),
+ CLKDEV_DEV_ID("renesas_intc_irqpin.1", &mstp_clks[MSTP229]),
+ CLKDEV_DEV_ID("renesas_intc_irqpin.2", &mstp_clks[MSTP229]),
+ CLKDEV_DEV_ID("renesas_intc_irqpin.3", &mstp_clks[MSTP229]),
CLKDEV_DEV_ID("sh-sci.6", &mstp_clks[MSTP230]),
CLKDEV_DEV_ID("e6cc0000.serial", &mstp_clks[MSTP230]),
diff --git a/arch/arm/mach-shmobile/clock-r8a7790.c b/arch/arm/mach-shmobile/clock-r8a7790.c
index 126ddafad526..f62265200592 100644
--- a/arch/arm/mach-shmobile/clock-r8a7790.c
+++ b/arch/arm/mach-shmobile/clock-r8a7790.c
@@ -68,7 +68,7 @@
#define SDCKCR 0xE6150074
#define SD2CKCR 0xE6150078
-#define SD3CKCR 0xE615007C
+#define SD3CKCR 0xE615026C
#define MMC0CKCR 0xE6150240
#define MMC1CKCR 0xE6150244
#define SSPCKCR 0xE6150248
diff --git a/arch/arm/mach-shmobile/setup-sh73a0.c b/arch/arm/mach-shmobile/setup-sh73a0.c
index b7bd8e509668..328657d011d5 100644
--- a/arch/arm/mach-shmobile/setup-sh73a0.c
+++ b/arch/arm/mach-shmobile/setup-sh73a0.c
@@ -26,6 +26,7 @@
#include <linux/of_platform.h>
#include <linux/delay.h>
#include <linux/input.h>
+#include <linux/i2c/i2c-sh_mobile.h>
#include <linux/io.h>
#include <linux/serial_sci.h>
#include <linux/sh_dma.h>
@@ -192,11 +193,18 @@ static struct resource i2c4_resources[] = {
},
};
+static struct i2c_sh_mobile_platform_data i2c_platform_data = {
+ .clks_per_count = 2,
+};
+
static struct platform_device i2c0_device = {
.name = "i2c-sh_mobile",
.id = 0,
.resource = i2c0_resources,
.num_resources = ARRAY_SIZE(i2c0_resources),
+ .dev = {
+ .platform_data = &i2c_platform_data,
+ },
};
static struct platform_device i2c1_device = {
@@ -204,6 +212,9 @@ static struct platform_device i2c1_device = {
.id = 1,
.resource = i2c1_resources,
.num_resources = ARRAY_SIZE(i2c1_resources),
+ .dev = {
+ .platform_data = &i2c_platform_data,
+ },
};
static struct platform_device i2c2_device = {
@@ -211,6 +222,9 @@ static struct platform_device i2c2_device = {
.id = 2,
.resource = i2c2_resources,
.num_resources = ARRAY_SIZE(i2c2_resources),
+ .dev = {
+ .platform_data = &i2c_platform_data,
+ },
};
static struct platform_device i2c3_device = {
@@ -218,6 +232,9 @@ static struct platform_device i2c3_device = {
.id = 3,
.resource = i2c3_resources,
.num_resources = ARRAY_SIZE(i2c3_resources),
+ .dev = {
+ .platform_data = &i2c_platform_data,
+ },
};
static struct platform_device i2c4_device = {
@@ -225,6 +242,9 @@ static struct platform_device i2c4_device = {
.id = 4,
.resource = i2c4_resources,
.num_resources = ARRAY_SIZE(i2c4_resources),
+ .dev = {
+ .platform_data = &i2c_platform_data,
+ },
};
static const struct sh_dmae_slave_config sh73a0_dmae_slaves[] = {
diff --git a/arch/mips/include/asm/jump_label.h b/arch/mips/include/asm/jump_label.h
index e194f957ca8c..fdbff44e5482 100644
--- a/arch/mips/include/asm/jump_label.h
+++ b/arch/mips/include/asm/jump_label.h
@@ -20,9 +20,15 @@
#define WORD_INSN ".word"
#endif
+#ifdef CONFIG_CPU_MICROMIPS
+#define NOP_INSN "nop32"
+#else
+#define NOP_INSN "nop"
+#endif
+
static __always_inline bool arch_static_branch(struct static_key *key)
{
- asm_volatile_goto("1:\tnop\n\t"
+ asm_volatile_goto("1:\t" NOP_INSN "\n\t"
"nop\n\t"
".pushsection __jump_table, \"aw\"\n\t"
WORD_INSN " 1b, %l[l_yes], %0\n\t"
diff --git a/arch/mips/include/asm/mach-loongson/cpu-feature-overrides.h b/arch/mips/include/asm/mach-loongson/cpu-feature-overrides.h
index 7d28f95b0512..6d69332f21ec 100644
--- a/arch/mips/include/asm/mach-loongson/cpu-feature-overrides.h
+++ b/arch/mips/include/asm/mach-loongson/cpu-feature-overrides.h
@@ -41,10 +41,8 @@
#define cpu_has_mcheck 0
#define cpu_has_mdmx 0
#define cpu_has_mips16 0
-#define cpu_has_mips32r1 0
#define cpu_has_mips32r2 0
#define cpu_has_mips3d 0
-#define cpu_has_mips64r1 0
#define cpu_has_mips64r2 0
#define cpu_has_mipsmt 0
#define cpu_has_prefetch 0
diff --git a/arch/mips/include/asm/uaccess.h b/arch/mips/include/asm/uaccess.h
index a10951090234..133678ab4eb8 100644
--- a/arch/mips/include/asm/uaccess.h
+++ b/arch/mips/include/asm/uaccess.h
@@ -301,7 +301,8 @@ do { \
__get_kernel_common((x), size, __gu_ptr); \
else \
__get_user_common((x), size, __gu_ptr); \
- } \
+ } else \
+ (x) = 0; \
\
__gu_err; \
})
@@ -316,6 +317,7 @@ do { \
" .insn \n" \
" .section .fixup,\"ax\" \n" \
"3: li %0, %4 \n" \
+ " move %1, $0 \n" \
" j 2b \n" \
" .previous \n" \
" .section __ex_table,\"a\" \n" \
@@ -630,6 +632,7 @@ do { \
" .insn \n" \
" .section .fixup,\"ax\" \n" \
"3: li %0, %4 \n" \
+ " move %1, $0 \n" \
" j 2b \n" \
" .previous \n" \
" .section __ex_table,\"a\" \n" \
@@ -773,10 +776,11 @@ extern void __put_user_unaligned_unknown(void);
"jal\t" #destination "\n\t"
#endif
-#ifndef CONFIG_CPU_DADDI_WORKAROUNDS
-#define DADDI_SCRATCH "$0"
-#else
+#if defined(CONFIG_CPU_DADDI_WORKAROUNDS) || (defined(CONFIG_EVA) && \
+ defined(CONFIG_CPU_HAS_PREFETCH))
#define DADDI_SCRATCH "$3"
+#else
+#define DADDI_SCRATCH "$0"
#endif
extern size_t __copy_user(void *__to, const void *__from, size_t __n);
diff --git a/arch/mips/kernel/cpu-probe.c b/arch/mips/kernel/cpu-probe.c
index 94c4a0c0a577..d5a4f380b019 100644
--- a/arch/mips/kernel/cpu-probe.c
+++ b/arch/mips/kernel/cpu-probe.c
@@ -757,31 +757,34 @@ static inline void cpu_probe_legacy(struct cpuinfo_mips *c, unsigned int cpu)
c->cputype = CPU_LOONGSON2;
__cpu_name[cpu] = "ICT Loongson-2";
set_elf_platform(cpu, "loongson2e");
+ set_isa(c, MIPS_CPU_ISA_III);
break;
case PRID_REV_LOONGSON2F:
c->cputype = CPU_LOONGSON2;
__cpu_name[cpu] = "ICT Loongson-2";
set_elf_platform(cpu, "loongson2f");
+ set_isa(c, MIPS_CPU_ISA_III);
break;
case PRID_REV_LOONGSON3A:
c->cputype = CPU_LOONGSON3;
- c->writecombine = _CACHE_UNCACHED_ACCELERATED;
__cpu_name[cpu] = "ICT Loongson-3";
set_elf_platform(cpu, "loongson3a");
+ set_isa(c, MIPS_CPU_ISA_M64R1);
break;
case PRID_REV_LOONGSON3B_R1:
case PRID_REV_LOONGSON3B_R2:
c->cputype = CPU_LOONGSON3;
__cpu_name[cpu] = "ICT Loongson-3";
set_elf_platform(cpu, "loongson3b");
+ set_isa(c, MIPS_CPU_ISA_M64R1);
break;
}
- set_isa(c, MIPS_CPU_ISA_III);
c->options = R4K_OPTS |
MIPS_CPU_FPU | MIPS_CPU_LLSC |
MIPS_CPU_32FPR;
c->tlbsize = 64;
+ c->writecombine = _CACHE_UNCACHED_ACCELERATED;
break;
case PRID_IMP_LOONGSON_32: /* Loongson-1 */
decode_configs(c);
diff --git a/arch/mips/kernel/jump_label.c b/arch/mips/kernel/jump_label.c
index 6001610cfe55..dda800e9e731 100644
--- a/arch/mips/kernel/jump_label.c
+++ b/arch/mips/kernel/jump_label.c
@@ -18,31 +18,53 @@
#ifdef HAVE_JUMP_LABEL
-#define J_RANGE_MASK ((1ul << 28) - 1)
+/*
+ * Define parameters for the standard MIPS and the microMIPS jump
+ * instruction encoding respectively:
+ *
+ * - the ISA bit of the target, either 0 or 1 respectively,
+ *
+ * - the amount the jump target address is shifted right to fit in the
+ * immediate field of the machine instruction, either 2 or 1,
+ *
+ * - the mask determining the size of the jump region relative to the
+ * delay-slot instruction, either 256MB or 128MB,
+ *
+ * - the jump target alignment, either 4 or 2 bytes.
+ */
+#define J_ISA_BIT IS_ENABLED(CONFIG_CPU_MICROMIPS)
+#define J_RANGE_SHIFT (2 - J_ISA_BIT)
+#define J_RANGE_MASK ((1ul << (26 + J_RANGE_SHIFT)) - 1)
+#define J_ALIGN_MASK ((1ul << J_RANGE_SHIFT) - 1)
void arch_jump_label_transform(struct jump_entry *e,
enum jump_label_type type)
{
+ union mips_instruction *insn_p;
union mips_instruction insn;
- union mips_instruction *insn_p =
- (union mips_instruction *)(unsigned long)e->code;
- /* Jump only works within a 256MB aligned region. */
- BUG_ON((e->target & ~J_RANGE_MASK) != (e->code & ~J_RANGE_MASK));
+ insn_p = (union mips_instruction *)msk_isa16_mode(e->code);
+
+ /* Jump only works within an aligned region its delay slot is in. */
+ BUG_ON((e->target & ~J_RANGE_MASK) != ((e->code + 4) & ~J_RANGE_MASK));
- /* Target must have 4 byte alignment. */
- BUG_ON((e->target & 3) != 0);
+ /* Target must have the right alignment and ISA must be preserved. */
+ BUG_ON((e->target & J_ALIGN_MASK) != J_ISA_BIT);
if (type == JUMP_LABEL_ENABLE) {
- insn.j_format.opcode = j_op;
- insn.j_format.target = (e->target & J_RANGE_MASK) >> 2;
+ insn.j_format.opcode = J_ISA_BIT ? mm_j32_op : j_op;
+ insn.j_format.target = e->target >> J_RANGE_SHIFT;
} else {
insn.word = 0; /* nop */
}
get_online_cpus();
mutex_lock(&text_mutex);
- *insn_p = insn;
+ if (IS_ENABLED(CONFIG_CPU_MICROMIPS)) {
+ insn_p->halfword[0] = insn.word >> 16;
+ insn_p->halfword[1] = insn.word;
+ } else
+ *insn_p = insn;
flush_icache_range((unsigned long)insn_p,
(unsigned long)insn_p + sizeof(*insn_p));
diff --git a/arch/mips/lib/memcpy.S b/arch/mips/lib/memcpy.S
index c17ef80cf65a..5d3238af9b5c 100644
--- a/arch/mips/lib/memcpy.S
+++ b/arch/mips/lib/memcpy.S
@@ -503,6 +503,7 @@
STOREB(t0, NBYTES-2(dst), .Ls_exc_p1\@)
.Ldone\@:
jr ra
+ nop
.if __memcpy == 1
END(memcpy)
.set __memcpy, 0
diff --git a/arch/mips/loongson/loongson-3/numa.c b/arch/mips/loongson/loongson-3/numa.c
index 37ed184398c6..42323bcc5d28 100644
--- a/arch/mips/loongson/loongson-3/numa.c
+++ b/arch/mips/loongson/loongson-3/numa.c
@@ -33,6 +33,7 @@
static struct node_data prealloc__node_data[MAX_NUMNODES];
unsigned char __node_distances[MAX_NUMNODES][MAX_NUMNODES];
+EXPORT_SYMBOL(__node_distances);
struct node_data *__node_data[MAX_NUMNODES];
EXPORT_SYMBOL(__node_data);
diff --git a/arch/mips/mm/tlb-r4k.c b/arch/mips/mm/tlb-r4k.c
index fa6ebd4bc9e9..c3917e251f59 100644
--- a/arch/mips/mm/tlb-r4k.c
+++ b/arch/mips/mm/tlb-r4k.c
@@ -299,6 +299,7 @@ void __update_tlb(struct vm_area_struct * vma, unsigned long address, pte_t pte)
local_irq_save(flags);
+ htw_stop();
pid = read_c0_entryhi() & ASID_MASK;
address &= (PAGE_MASK << 1);
write_c0_entryhi(address | pid);
@@ -346,6 +347,7 @@ void __update_tlb(struct vm_area_struct * vma, unsigned long address, pte_t pte)
tlb_write_indexed();
}
tlbw_use_hazard();
+ htw_start();
flush_itlb_vm(vma);
local_irq_restore(flags);
}
@@ -422,6 +424,7 @@ __init int add_temporary_entry(unsigned long entrylo0, unsigned long entrylo1,
local_irq_save(flags);
/* Save old context and create impossible VPN2 value */
+ htw_stop();
old_ctx = read_c0_entryhi();
old_pagemask = read_c0_pagemask();
wired = read_c0_wired();
@@ -443,6 +446,7 @@ __init int add_temporary_entry(unsigned long entrylo0, unsigned long entrylo1,
write_c0_entryhi(old_ctx);
write_c0_pagemask(old_pagemask);
+ htw_start();
out:
local_irq_restore(flags);
return ret;
diff --git a/arch/mips/oprofile/backtrace.c b/arch/mips/oprofile/backtrace.c
index 6854ed5097d2..83a1dfd8f0e3 100644
--- a/arch/mips/oprofile/backtrace.c
+++ b/arch/mips/oprofile/backtrace.c
@@ -92,7 +92,7 @@ static inline int unwind_user_frame(struct stackframe *old_frame,
/* This marks the end of the previous function,
which means we overran. */
break;
- stack_size = (unsigned) stack_adjustment;
+ stack_size = (unsigned long) stack_adjustment;
} else if (is_ra_save_ins(&ip)) {
int ra_slot = ip.i_format.simmediate;
if (ra_slot < 0)
diff --git a/arch/mips/sgi-ip27/ip27-memory.c b/arch/mips/sgi-ip27/ip27-memory.c
index a95c00f5fb96..a304bcc37e4f 100644
--- a/arch/mips/sgi-ip27/ip27-memory.c
+++ b/arch/mips/sgi-ip27/ip27-memory.c
@@ -107,6 +107,7 @@ static void router_recurse(klrou_t *router_a, klrou_t *router_b, int depth)
}
unsigned char __node_distances[MAX_COMPACT_NODES][MAX_COMPACT_NODES];
+EXPORT_SYMBOL(__node_distances);
static int __init compute_node_distance(nasid_t nasid_a, nasid_t nasid_b)
{
diff --git a/arch/powerpc/sysdev/fsl_msi.c b/arch/powerpc/sysdev/fsl_msi.c
index de40b48b460e..da08ed088157 100644
--- a/arch/powerpc/sysdev/fsl_msi.c
+++ b/arch/powerpc/sysdev/fsl_msi.c
@@ -361,7 +361,7 @@ static int fsl_msi_setup_hwirq(struct fsl_msi *msi, struct platform_device *dev,
cascade_data->virq = virt_msir;
msi->cascade_array[irq_index] = cascade_data;
- ret = request_irq(virt_msir, fsl_msi_cascade, 0,
+ ret = request_irq(virt_msir, fsl_msi_cascade, IRQF_NO_THREAD,
"fsl-msi-cascade", cascade_data);
if (ret) {
dev_err(&dev->dev, "failed to request_irq(%d), ret = %d\n",
diff --git a/arch/x86/Kconfig b/arch/x86/Kconfig
index ded8a6774ac9..41a503c15862 100644
--- a/arch/x86/Kconfig
+++ b/arch/x86/Kconfig
@@ -144,7 +144,7 @@ config INSTRUCTION_DECODER
config PERF_EVENTS_INTEL_UNCORE
def_bool y
- depends on PERF_EVENTS && SUP_SUP_INTEL && PCI
+ depends on PERF_EVENTS && CPU_SUP_INTEL && PCI
config OUTPUT_FORMAT
string
diff --git a/arch/x86/include/asm/page_32_types.h b/arch/x86/include/asm/page_32_types.h
index f48b17df4224..3a52ee0e726d 100644
--- a/arch/x86/include/asm/page_32_types.h
+++ b/arch/x86/include/asm/page_32_types.h
@@ -20,7 +20,6 @@
#define THREAD_SIZE_ORDER 1
#define THREAD_SIZE (PAGE_SIZE << THREAD_SIZE_ORDER)
-#define STACKFAULT_STACK 0
#define DOUBLEFAULT_STACK 1
#define NMI_STACK 0
#define DEBUG_STACK 0
diff --git a/arch/x86/include/asm/page_64_types.h b/arch/x86/include/asm/page_64_types.h
index 678205195ae1..75450b2c7be4 100644
--- a/arch/x86/include/asm/page_64_types.h
+++ b/arch/x86/include/asm/page_64_types.h
@@ -14,12 +14,11 @@
#define IRQ_STACK_ORDER 2
#define IRQ_STACK_SIZE (PAGE_SIZE << IRQ_STACK_ORDER)
-#define STACKFAULT_STACK 1
-#define DOUBLEFAULT_STACK 2
-#define NMI_STACK 3
-#define DEBUG_STACK 4
-#define MCE_STACK 5
-#define N_EXCEPTION_STACKS 5 /* hw limit: 7 */
+#define DOUBLEFAULT_STACK 1
+#define NMI_STACK 2
+#define DEBUG_STACK 3
+#define MCE_STACK 4
+#define N_EXCEPTION_STACKS 4 /* hw limit: 7 */
#define PUD_PAGE_SIZE (_AC(1, UL) << PUD_SHIFT)
#define PUD_PAGE_MASK (~(PUD_PAGE_SIZE-1))
diff --git a/arch/x86/include/asm/thread_info.h b/arch/x86/include/asm/thread_info.h
index 854053889d4d..547e344a6dc6 100644
--- a/arch/x86/include/asm/thread_info.h
+++ b/arch/x86/include/asm/thread_info.h
@@ -141,7 +141,7 @@ struct thread_info {
/* Only used for 64 bit */
#define _TIF_DO_NOTIFY_MASK \
(_TIF_SIGPENDING | _TIF_MCE_NOTIFY | _TIF_NOTIFY_RESUME | \
- _TIF_USER_RETURN_NOTIFY)
+ _TIF_USER_RETURN_NOTIFY | _TIF_UPROBE)
/* flags to check in __switch_to() */
#define _TIF_WORK_CTXSW \
diff --git a/arch/x86/include/asm/traps.h b/arch/x86/include/asm/traps.h
index bc8352e7010a..707adc6549d8 100644
--- a/arch/x86/include/asm/traps.h
+++ b/arch/x86/include/asm/traps.h
@@ -39,6 +39,7 @@ asmlinkage void simd_coprocessor_error(void);
#ifdef CONFIG_TRACING
asmlinkage void trace_page_fault(void);
+#define trace_stack_segment stack_segment
#define trace_divide_error divide_error
#define trace_bounds bounds
#define trace_invalid_op invalid_op
diff --git a/arch/x86/kernel/cpu/common.c b/arch/x86/kernel/cpu/common.c
index 4b4f78c9ba19..cfa9b5b2c27a 100644
--- a/arch/x86/kernel/cpu/common.c
+++ b/arch/x86/kernel/cpu/common.c
@@ -146,6 +146,8 @@ EXPORT_PER_CPU_SYMBOL_GPL(gdt_page);
static int __init x86_xsave_setup(char *s)
{
+ if (strlen(s))
+ return 0;
setup_clear_cpu_cap(X86_FEATURE_XSAVE);
setup_clear_cpu_cap(X86_FEATURE_XSAVEOPT);
setup_clear_cpu_cap(X86_FEATURE_XSAVES);
diff --git a/arch/x86/kernel/cpu/microcode/core.c b/arch/x86/kernel/cpu/microcode/core.c
index dd9d6190b08d..2ce9051174e6 100644
--- a/arch/x86/kernel/cpu/microcode/core.c
+++ b/arch/x86/kernel/cpu/microcode/core.c
@@ -465,6 +465,14 @@ static void mc_bp_resume(void)
if (uci->valid && uci->mc)
microcode_ops->apply_microcode(cpu);
+ else if (!uci->mc)
+ /*
+ * We might resume and not have applied late microcode but still
+ * have a newer patch stashed from the early loader. We don't
+ * have it in uci->mc so we have to load it the same way we're
+ * applying patches early on the APs.
+ */
+ load_ucode_ap();
}
static struct syscore_ops mc_syscore_ops = {
diff --git a/arch/x86/kernel/cpu/perf_event_intel_uncore_snbep.c b/arch/x86/kernel/cpu/perf_event_intel_uncore_snbep.c
index adf138eac85c..f9ed429d6e4f 100644
--- a/arch/x86/kernel/cpu/perf_event_intel_uncore_snbep.c
+++ b/arch/x86/kernel/cpu/perf_event_intel_uncore_snbep.c
@@ -486,14 +486,17 @@ static struct attribute_group snbep_uncore_qpi_format_group = {
.attrs = snbep_uncore_qpi_formats_attr,
};
-#define SNBEP_UNCORE_MSR_OPS_COMMON_INIT() \
- .init_box = snbep_uncore_msr_init_box, \
+#define __SNBEP_UNCORE_MSR_OPS_COMMON_INIT() \
.disable_box = snbep_uncore_msr_disable_box, \
.enable_box = snbep_uncore_msr_enable_box, \
.disable_event = snbep_uncore_msr_disable_event, \
.enable_event = snbep_uncore_msr_enable_event, \
.read_counter = uncore_msr_read_counter
+#define SNBEP_UNCORE_MSR_OPS_COMMON_INIT() \
+ __SNBEP_UNCORE_MSR_OPS_COMMON_INIT(), \
+ .init_box = snbep_uncore_msr_init_box \
+
static struct intel_uncore_ops snbep_uncore_msr_ops = {
SNBEP_UNCORE_MSR_OPS_COMMON_INIT(),
};
@@ -1919,6 +1922,30 @@ static struct intel_uncore_type hswep_uncore_cbox = {
.format_group = &hswep_uncore_cbox_format_group,
};
+/*
+ * Write SBOX Initialization register bit by bit to avoid spurious #GPs
+ */
+static void hswep_uncore_sbox_msr_init_box(struct intel_uncore_box *box)
+{
+ unsigned msr = uncore_msr_box_ctl(box);
+
+ if (msr) {
+ u64 init = SNBEP_PMON_BOX_CTL_INT;
+ u64 flags = 0;
+ int i;
+
+ for_each_set_bit(i, (unsigned long *)&init, 64) {
+ flags |= (1ULL << i);
+ wrmsrl(msr, flags);
+ }
+ }
+}
+
+static struct intel_uncore_ops hswep_uncore_sbox_msr_ops = {
+ __SNBEP_UNCORE_MSR_OPS_COMMON_INIT(),
+ .init_box = hswep_uncore_sbox_msr_init_box
+};
+
static struct attribute *hswep_uncore_sbox_formats_attr[] = {
&format_attr_event.attr,
&format_attr_umask.attr,
@@ -1944,7 +1971,7 @@ static struct intel_uncore_type hswep_uncore_sbox = {
.event_mask = HSWEP_S_MSR_PMON_RAW_EVENT_MASK,
.box_ctl = HSWEP_S0_MSR_PMON_BOX_CTL,
.msr_offset = HSWEP_SBOX_MSR_OFFSET,
- .ops = &snbep_uncore_msr_ops,
+ .ops = &hswep_uncore_sbox_msr_ops,
.format_group = &hswep_uncore_sbox_format_group,
};
@@ -2025,13 +2052,27 @@ static struct intel_uncore_type hswep_uncore_imc = {
SNBEP_UNCORE_PCI_COMMON_INIT(),
};
+static unsigned hswep_uncore_irp_ctrs[] = {0xa0, 0xa8, 0xb0, 0xb8};
+
+static u64 hswep_uncore_irp_read_counter(struct intel_uncore_box *box, struct perf_event *event)
+{
+ struct pci_dev *pdev = box->pci_dev;
+ struct hw_perf_event *hwc = &event->hw;
+ u64 count = 0;
+
+ pci_read_config_dword(pdev, hswep_uncore_irp_ctrs[hwc->idx], (u32 *)&count);
+ pci_read_config_dword(pdev, hswep_uncore_irp_ctrs[hwc->idx] + 4, (u32 *)&count + 1);
+
+ return count;
+}
+
static struct intel_uncore_ops hswep_uncore_irp_ops = {
.init_box = snbep_uncore_pci_init_box,
.disable_box = snbep_uncore_pci_disable_box,
.enable_box = snbep_uncore_pci_enable_box,
.disable_event = ivbep_uncore_irp_disable_event,
.enable_event = ivbep_uncore_irp_enable_event,
- .read_counter = ivbep_uncore_irp_read_counter,
+ .read_counter = hswep_uncore_irp_read_counter,
};
static struct intel_uncore_type hswep_uncore_irp = {
diff --git a/arch/x86/kernel/dumpstack_64.c b/arch/x86/kernel/dumpstack_64.c
index 1abcb50b48ae..ff86f19b5758 100644
--- a/arch/x86/kernel/dumpstack_64.c
+++ b/arch/x86/kernel/dumpstack_64.c
@@ -24,7 +24,6 @@ static char x86_stack_ids[][8] = {
[ DEBUG_STACK-1 ] = "#DB",
[ NMI_STACK-1 ] = "NMI",
[ DOUBLEFAULT_STACK-1 ] = "#DF",
- [ STACKFAULT_STACK-1 ] = "#SS",
[ MCE_STACK-1 ] = "#MC",
#if DEBUG_STKSZ > EXCEPTION_STKSZ
[ N_EXCEPTION_STACKS ...
diff --git a/arch/x86/kernel/entry_64.S b/arch/x86/kernel/entry_64.S
index df088bb03fb3..c0226ab54106 100644
--- a/arch/x86/kernel/entry_64.S
+++ b/arch/x86/kernel/entry_64.S
@@ -828,9 +828,15 @@ ENTRY(native_iret)
jnz native_irq_return_ldt
#endif
+.global native_irq_return_iret
native_irq_return_iret:
+ /*
+ * This may fault. Non-paranoid faults on return to userspace are
+ * handled by fixup_bad_iret. These include #SS, #GP, and #NP.
+ * Double-faults due to espfix64 are handled in do_double_fault.
+ * Other faults here are fatal.
+ */
iretq
- _ASM_EXTABLE(native_irq_return_iret, bad_iret)
#ifdef CONFIG_X86_ESPFIX64
native_irq_return_ldt:
@@ -858,25 +864,6 @@ native_irq_return_ldt:
jmp native_irq_return_iret
#endif
- .section .fixup,"ax"
-bad_iret:
- /*
- * The iret traps when the %cs or %ss being restored is bogus.
- * We've lost the original trap vector and error code.
- * #GPF is the most likely one to get for an invalid selector.
- * So pretend we completed the iret and took the #GPF in user mode.
- *
- * We are now running with the kernel GS after exception recovery.
- * But error_entry expects us to have user GS to match the user %cs,
- * so swap back.
- */
- pushq $0
-
- SWAPGS
- jmp general_protection
-
- .previous
-
/* edi: workmask, edx: work */
retint_careful:
CFI_RESTORE_STATE
@@ -922,37 +909,6 @@ ENTRY(retint_kernel)
CFI_ENDPROC
END(common_interrupt)
- /*
- * If IRET takes a fault on the espfix stack, then we
- * end up promoting it to a doublefault. In that case,
- * modify the stack to make it look like we just entered
- * the #GP handler from user space, similar to bad_iret.
- */
-#ifdef CONFIG_X86_ESPFIX64
- ALIGN
-__do_double_fault:
- XCPT_FRAME 1 RDI+8
- movq RSP(%rdi),%rax /* Trap on the espfix stack? */
- sarq $PGDIR_SHIFT,%rax
- cmpl $ESPFIX_PGD_ENTRY,%eax
- jne do_double_fault /* No, just deliver the fault */
- cmpl $__KERNEL_CS,CS(%rdi)
- jne do_double_fault
- movq RIP(%rdi),%rax
- cmpq $native_irq_return_iret,%rax
- jne do_double_fault /* This shouldn't happen... */
- movq PER_CPU_VAR(kernel_stack),%rax
- subq $(6*8-KERNEL_STACK_OFFSET),%rax /* Reset to original stack */
- movq %rax,RSP(%rdi)
- movq $0,(%rax) /* Missing (lost) #GP error code */
- movq $general_protection,RIP(%rdi)
- retq
- CFI_ENDPROC
-END(__do_double_fault)
-#else
-# define __do_double_fault do_double_fault
-#endif
-
/*
* APIC interrupts.
*/
@@ -1124,7 +1080,7 @@ idtentry overflow do_overflow has_error_code=0
idtentry bounds do_bounds has_error_code=0
idtentry invalid_op do_invalid_op has_error_code=0
idtentry device_not_available do_device_not_available has_error_code=0
-idtentry double_fault __do_double_fault has_error_code=1 paranoid=1
+idtentry double_fault do_double_fault has_error_code=1 paranoid=1
idtentry coprocessor_segment_overrun do_coprocessor_segment_overrun has_error_code=0
idtentry invalid_TSS do_invalid_TSS has_error_code=1
idtentry segment_not_present do_segment_not_present has_error_code=1
@@ -1289,7 +1245,7 @@ apicinterrupt3 HYPERVISOR_CALLBACK_VECTOR \
idtentry debug do_debug has_error_code=0 paranoid=1 shift_ist=DEBUG_STACK
idtentry int3 do_int3 has_error_code=0 paranoid=1 shift_ist=DEBUG_STACK
-idtentry stack_segment do_stack_segment has_error_code=1 paranoid=1
+idtentry stack_segment do_stack_segment has_error_code=1
#ifdef CONFIG_XEN
idtentry xen_debug do_debug has_error_code=0
idtentry xen_int3 do_int3 has_error_code=0
@@ -1399,17 +1355,16 @@ error_sti:
/*
* There are two places in the kernel that can potentially fault with
- * usergs. Handle them here. The exception handlers after iret run with
- * kernel gs again, so don't set the user space flag. B stepping K8s
- * sometimes report an truncated RIP for IRET exceptions returning to
- * compat mode. Check for these here too.
+ * usergs. Handle them here. B stepping K8s sometimes report a
+ * truncated RIP for IRET exceptions returning to compat mode. Check
+ * for these here too.
*/
error_kernelspace:
CFI_REL_OFFSET rcx, RCX+8
incl %ebx
leaq native_irq_return_iret(%rip),%rcx
cmpq %rcx,RIP+8(%rsp)
- je error_swapgs
+ je error_bad_iret
movl %ecx,%eax /* zero extend */
cmpq %rax,RIP+8(%rsp)
je bstep_iret
@@ -1420,7 +1375,15 @@ error_kernelspace:
bstep_iret:
/* Fix truncated RIP */
movq %rcx,RIP+8(%rsp)
- jmp error_swapgs
+ /* fall through */
+
+error_bad_iret:
+ SWAPGS
+ mov %rsp,%rdi
+ call fixup_bad_iret
+ mov %rax,%rsp
+ decl %ebx /* Return to usergs */
+ jmp error_sti
CFI_ENDPROC
END(error_entry)
diff --git a/arch/x86/kernel/ptrace.c b/arch/x86/kernel/ptrace.c
index 749b0e423419..e510618b2e91 100644
--- a/arch/x86/kernel/ptrace.c
+++ b/arch/x86/kernel/ptrace.c
@@ -1484,7 +1484,7 @@ unsigned long syscall_trace_enter_phase1(struct pt_regs *regs, u32 arch)
*/
if (work & _TIF_NOHZ) {
user_exit();
- work &= ~TIF_NOHZ;
+ work &= ~_TIF_NOHZ;
}
#ifdef CONFIG_SECCOMP
diff --git a/arch/x86/kernel/traps.c b/arch/x86/kernel/traps.c
index 0d0e922fafc1..de801f22128a 100644
--- a/arch/x86/kernel/traps.c
+++ b/arch/x86/kernel/traps.c
@@ -233,32 +233,40 @@ DO_ERROR(X86_TRAP_UD, SIGILL, "invalid opcode", invalid_op)
DO_ERROR(X86_TRAP_OLD_MF, SIGFPE, "coprocessor segment overrun",coprocessor_segment_overrun)
DO_ERROR(X86_TRAP_TS, SIGSEGV, "invalid TSS", invalid_TSS)
DO_ERROR(X86_TRAP_NP, SIGBUS, "segment not present", segment_not_present)
-#ifdef CONFIG_X86_32
DO_ERROR(X86_TRAP_SS, SIGBUS, "stack segment", stack_segment)
-#endif
DO_ERROR(X86_TRAP_AC, SIGBUS, "alignment check", alignment_check)
#ifdef CONFIG_X86_64
/* Runs on IST stack */
-dotraplinkage void do_stack_segment(struct pt_regs *regs, long error_code)
-{
- enum ctx_state prev_state;
-
- prev_state = exception_enter();
- if (notify_die(DIE_TRAP, "stack segment", regs, error_code,
- X86_TRAP_SS, SIGBUS) != NOTIFY_STOP) {
- preempt_conditional_sti(regs);
- do_trap(X86_TRAP_SS, SIGBUS, "stack segment", regs, error_code, NULL);
- preempt_conditional_cli(regs);
- }
- exception_exit(prev_state);
-}
-
dotraplinkage void do_double_fault(struct pt_regs *regs, long error_code)
{
static const char str[] = "double fault";
struct task_struct *tsk = current;
+#ifdef CONFIG_X86_ESPFIX64
+ extern unsigned char native_irq_return_iret[];
+
+ /*
+ * If IRET takes a non-IST fault on the espfix64 stack, then we
+ * end up promoting it to a doublefault. In that case, modify
+ * the stack to make it look like we just entered the #GP
+ * handler from user space, similar to bad_iret.
+ */
+ if (((long)regs->sp >> PGDIR_SHIFT) == ESPFIX_PGD_ENTRY &&
+ regs->cs == __KERNEL_CS &&
+ regs->ip == (unsigned long)native_irq_return_iret)
+ {
+ struct pt_regs *normal_regs = task_pt_regs(current);
+
+ /* Fake a #GP(0) from userspace. */
+ memmove(&normal_regs->ip, (void *)regs->sp, 5*8);
+ normal_regs->orig_ax = 0; /* Missing (lost) #GP error code */
+ regs->ip = (unsigned long)general_protection;
+ regs->sp = (unsigned long)&normal_regs->orig_ax;
+ return;
+ }
+#endif
+
exception_enter();
/* Return not checked because double check cannot be ignored */
notify_die(DIE_TRAP, str, regs, error_code, X86_TRAP_DF, SIGSEGV);
@@ -399,6 +407,35 @@ asmlinkage __visible struct pt_regs *sync_regs(struct pt_regs *eregs)
return regs;
}
NOKPROBE_SYMBOL(sync_regs);
+
+struct bad_iret_stack {
+ void *error_entry_ret;
+ struct pt_regs regs;
+};
+
+asmlinkage __visible
+struct bad_iret_stack *fixup_bad_iret(struct bad_iret_stack *s)
+{
+ /*
+ * This is called from entry_64.S early in handling a fault
+ * caused by a bad iret to user mode. To handle the fault
+ * correctly, we want move our stack frame to task_pt_regs
+ * and we want to pretend that the exception came from the
+ * iret target.
+ */
+ struct bad_iret_stack *new_stack =
+ container_of(task_pt_regs(current),
+ struct bad_iret_stack, regs);
+
+ /* Copy the IRET target to the new stack. */
+ memmove(&new_stack->regs.ip, (void *)s->regs.sp, 5*8);
+
+ /* Copy the remainder of the stack from the current stack. */
+ memmove(new_stack, s, offsetof(struct bad_iret_stack, regs.ip));
+
+ BUG_ON(!user_mode_vm(&new_stack->regs));
+ return new_stack;
+}
#endif
/*
@@ -778,7 +815,7 @@ void __init trap_init(void)
set_intr_gate(X86_TRAP_OLD_MF, coprocessor_segment_overrun);
set_intr_gate(X86_TRAP_TS, invalid_TSS);
set_intr_gate(X86_TRAP_NP, segment_not_present);
- set_intr_gate_ist(X86_TRAP_SS, &stack_segment, STACKFAULT_STACK);
+ set_intr_gate(X86_TRAP_SS, stack_segment);
set_intr_gate(X86_TRAP_GP, general_protection);
set_intr_gate(X86_TRAP_SPURIOUS, spurious_interrupt_bug);
set_intr_gate(X86_TRAP_MF, coprocessor_error);
diff --git a/arch/x86/mm/init_64.c b/arch/x86/mm/init_64.c
index 4cb8763868fc..4e5dfec750fc 100644
--- a/arch/x86/mm/init_64.c
+++ b/arch/x86/mm/init_64.c
@@ -1123,7 +1123,7 @@ void mark_rodata_ro(void)
unsigned long end = (unsigned long) &__end_rodata_hpage_align;
unsigned long text_end = PFN_ALIGN(&__stop___ex_table);
unsigned long rodata_end = PFN_ALIGN(&__end_rodata);
- unsigned long all_end = PFN_ALIGN(&_end);
+ unsigned long all_end;
printk(KERN_INFO "Write protecting the kernel read-only data: %luk\n",
(end - start) >> 10);
@@ -1134,7 +1134,16 @@ void mark_rodata_ro(void)
/*
* The rodata/data/bss/brk section (but not the kernel text!)
* should also be not-executable.
+ *
+ * We align all_end to PMD_SIZE because the existing mapping
+ * is a full PMD. If we would align _brk_end to PAGE_SIZE we
+ * split the PMD and the reminder between _brk_end and the end
+ * of the PMD will remain mapped executable.
+ *
+ * Any PMD which was setup after the one which covers _brk_end
+ * has been zapped already via cleanup_highmem().
*/
+ all_end = roundup((unsigned long)_brk_end, PMD_SIZE);
set_memory_nx(rodata_start, (all_end - rodata_start) >> PAGE_SHIFT);
rodata_test();
diff --git a/arch/x86/tools/calc_run_size.pl b/arch/x86/tools/calc_run_size.pl
index 0b0b124d3ece..23210baade2d 100644
--- a/arch/x86/tools/calc_run_size.pl
+++ b/arch/x86/tools/calc_run_size.pl
@@ -19,7 +19,16 @@ while (<>) {
if ($file_offset == 0) {
$file_offset = $offset;
} elsif ($file_offset != $offset) {
- die ".bss and .brk lack common file offset\n";
+ # BFD linker shows the same file offset in ELF.
+ # Gold linker shows them as consecutive.
+ next if ($file_offset + $mem_size == $offset + $size);
+
+ printf STDERR "file_offset: 0x%lx\n", $file_offset;
+ printf STDERR "mem_size: 0x%lx\n", $mem_size;
+ printf STDERR "offset: 0x%lx\n", $offset;
+ printf STDERR "size: 0x%lx\n", $size;
+
+ die ".bss and .brk are non-contiguous\n";
}
}
}
diff --git a/drivers/acpi/device_pm.c b/drivers/acpi/device_pm.c
index 143ec6ea1468..7db193160766 100644
--- a/drivers/acpi/device_pm.c
+++ b/drivers/acpi/device_pm.c
@@ -878,7 +878,7 @@ int acpi_dev_suspend_late(struct device *dev)
return 0;
target_state = acpi_target_system_state();
- wakeup = device_may_wakeup(dev);
+ wakeup = device_may_wakeup(dev) && acpi_device_can_wakeup(adev);
error = acpi_device_wakeup(adev, target_state, wakeup);
if (wakeup && error)
return error;
diff --git a/drivers/clocksource/sun4i_timer.c b/drivers/clocksource/sun4i_timer.c
index efb17c3ee120..f4a9c0058b4d 100644
--- a/drivers/clocksource/sun4i_timer.c
+++ b/drivers/clocksource/sun4i_timer.c
@@ -182,6 +182,12 @@ static void __init sun4i_timer_init(struct device_node *node)
/* Make sure timer is stopped before playing with interrupts */
sun4i_clkevt_time_stop(0);
+ sun4i_clockevent.cpumask = cpu_possible_mask;
+ sun4i_clockevent.irq = irq;
+
+ clockevents_config_and_register(&sun4i_clockevent, rate,
+ TIMER_SYNC_TICKS, 0xffffffff);
+
ret = setup_irq(irq, &sun4i_timer_irq);
if (ret)
pr_warn("failed to setup irq %d\n", irq);
@@ -189,12 +195,6 @@ static void __init sun4i_timer_init(struct device_node *node)
/* Enable timer0 interrupt */
val = readl(timer_base + TIMER_IRQ_EN_REG);
writel(val | TIMER_IRQ_EN(0), timer_base + TIMER_IRQ_EN_REG);
-
- sun4i_clockevent.cpumask = cpu_possible_mask;
- sun4i_clockevent.irq = irq;
-
- clockevents_config_and_register(&sun4i_clockevent, rate,
- TIMER_SYNC_TICKS, 0xffffffff);
}
CLOCKSOURCE_OF_DECLARE(sun4i, "allwinner,sun4i-a10-timer",
sun4i_timer_init);
diff --git a/drivers/dma/pl330.c b/drivers/dma/pl330.c
index 4839bfa74a10..19a99743cf52 100644
--- a/drivers/dma/pl330.c
+++ b/drivers/dma/pl330.c
@@ -271,7 +271,7 @@ struct pl330_config {
#define DMAC_MODE_NS (1 << 0)
unsigned int mode;
unsigned int data_bus_width:10; /* In number of bits */
- unsigned int data_buf_dep:10;
+ unsigned int data_buf_dep:11;
unsigned int num_chan:4;
unsigned int num_peri:6;
u32 peri_ns;
@@ -2336,7 +2336,7 @@ static inline int get_burst_len(struct dma_pl330_desc *desc, size_t len)
int burst_len;
burst_len = pl330->pcfg.data_bus_width / 8;
- burst_len *= pl330->pcfg.data_buf_dep;
+ burst_len *= pl330->pcfg.data_buf_dep / pl330->pcfg.num_chan;
burst_len >>= desc->rqcfg.brst_size;
/* src/dst_burst_len can't be more than 16 */
@@ -2459,16 +2459,25 @@ pl330_prep_dma_memcpy(struct dma_chan *chan, dma_addr_t dst,
/* Select max possible burst size */
burst = pl330->pcfg.data_bus_width / 8;
- while (burst > 1) {
- if (!(len % burst))
- break;
+ /*
+ * Make sure we use a burst size that aligns with all the memcpy
+ * parameters because our DMA programming algorithm doesn't cope with
+ * transfers which straddle an entry in the DMA device's MFIFO.
+ */
+ while ((src | dst | len) & (burst - 1))
burst /= 2;
- }
desc->rqcfg.brst_size = 0;
while (burst != (1 << desc->rqcfg.brst_size))
desc->rqcfg.brst_size++;
+ /*
+ * If burst size is smaller than bus width then make sure we only
+ * transfer one at a time to avoid a burst stradling an MFIFO entry.
+ */
+ if (desc->rqcfg.brst_size * 8 < pl330->pcfg.data_bus_width)
+ desc->rqcfg.brst_len = 1;
+
desc->rqcfg.brst_len = get_burst_len(desc, len);
desc->txd.flags = flags;
@@ -2732,7 +2741,7 @@ pl330_probe(struct amba_device *adev, const struct amba_id *id)
dev_info(&adev->dev,
- "Loaded driver for PL330 DMAC-%d\n", adev->periphid);
+ "Loaded driver for PL330 DMAC-%x\n", adev->periphid);
dev_info(&adev->dev,
"\tDBUFF-%ux%ubytes Num_Chans-%u Num_Peri-%u Num_Events-%u\n",
pcfg->data_buf_dep, pcfg->data_bus_width / 8, pcfg->num_chan,
diff --git a/drivers/dma/sun6i-dma.c b/drivers/dma/sun6i-dma.c
index 3aa10b328254..91292f5513ff 100644
--- a/drivers/dma/sun6i-dma.c
+++ b/drivers/dma/sun6i-dma.c
@@ -230,30 +230,25 @@ static inline void sun6i_dma_dump_chan_regs(struct sun6i_dma_dev *sdev,
readl(pchan->base + DMA_CHAN_CUR_PARA));
}
-static inline int convert_burst(u32 maxburst, u8 *burst)
+static inline s8 convert_burst(u32 maxburst)
{
switch (maxburst) {
case 1:
- *burst = 0;
- break;
+ return 0;
case 8:
- *burst = 2;
- break;
+ return 2;
default:
return -EINVAL;
}
-
- return 0;
}
-static inline int convert_buswidth(enum dma_slave_buswidth addr_width, u8 *width)
+static inline s8 convert_buswidth(enum dma_slave_buswidth addr_width)
{
if ((addr_width < DMA_SLAVE_BUSWIDTH_1_BYTE) ||
(addr_width > DMA_SLAVE_BUSWIDTH_4_BYTES))
return -EINVAL;
- *width = addr_width >> 1;
- return 0;
+ return addr_width >> 1;
}
static void *sun6i_dma_lli_add(struct sun6i_dma_lli *prev,
@@ -284,26 +279,25 @@ static inline int sun6i_dma_cfg_lli(struct sun6i_dma_lli *lli,
struct dma_slave_config *config)
{
u8 src_width, dst_width, src_burst, dst_burst;
- int ret;
if (!config)
return -EINVAL;
- ret = convert_burst(config->src_maxburst, &src_burst);
- if (ret)
- return ret;
+ src_burst = convert_burst(config->src_maxburst);
+ if (src_burst)
+ return src_burst;
- ret = convert_burst(config->dst_maxburst, &dst_burst);
- if (ret)
- return ret;
+ dst_burst = convert_burst(config->dst_maxburst);
+ if (dst_burst)
+ return dst_burst;
- ret = convert_buswidth(config->src_addr_width, &src_width);
- if (ret)
- return ret;
+ src_width = convert_buswidth(config->src_addr_width);
+ if (src_width)
+ return src_width;
- ret = convert_buswidth(config->dst_addr_width, &dst_width);
- if (ret)
- return ret;
+ dst_width = convert_buswidth(config->dst_addr_width);
+ if (dst_width)
+ return dst_width;
lli->cfg = DMA_CHAN_CFG_SRC_BURST(src_burst) |
DMA_CHAN_CFG_SRC_WIDTH(src_width) |
@@ -542,11 +536,10 @@ static struct dma_async_tx_descriptor *sun6i_dma_prep_dma_memcpy(
{
struct sun6i_dma_dev *sdev = to_sun6i_dma_dev(chan->device);
struct sun6i_vchan *vchan = to_sun6i_vchan(chan);
- struct dma_slave_config *sconfig = &vchan->cfg;
struct sun6i_dma_lli *v_lli;
struct sun6i_desc *txd;
dma_addr_t p_lli;
- int ret;
+ s8 burst, width;
dev_dbg(chan2dev(chan),
"%s; chan: %d, dest: %pad, src: %pad, len: %zu. flags: 0x%08lx\n",
@@ -565,14 +558,21 @@ static struct dma_async_tx_descriptor *sun6i_dma_prep_dma_memcpy(
goto err_txd_free;
}
- ret = sun6i_dma_cfg_lli(v_lli, src, dest, len, sconfig);
- if (ret)
- goto err_dma_free;
+ v_lli->src = src;
+ v_lli->dst = dest;
+ v_lli->len = len;
+ v_lli->para = NORMAL_WAIT;
+ burst = convert_burst(8);
+ width = convert_buswidth(DMA_SLAVE_BUSWIDTH_4_BYTES);
v_lli->cfg |= DMA_CHAN_CFG_SRC_DRQ(DRQ_SDRAM) |
DMA_CHAN_CFG_DST_DRQ(DRQ_SDRAM) |
DMA_CHAN_CFG_DST_LINEAR_MODE |
- DMA_CHAN_CFG_SRC_LINEAR_MODE;
+ DMA_CHAN_CFG_SRC_LINEAR_MODE |
+ DMA_CHAN_CFG_SRC_BURST(burst) |
+ DMA_CHAN_CFG_SRC_WIDTH(width) |
+ DMA_CHAN_CFG_DST_BURST(burst) |
+ DMA_CHAN_CFG_DST_WIDTH(width);
sun6i_dma_lli_add(NULL, v_lli, p_lli, txd);
@@ -580,8 +580,6 @@ static struct dma_async_tx_descriptor *sun6i_dma_prep_dma_memcpy(
return vchan_tx_prep(&vchan->vc, &txd->vd, flags);
-err_dma_free:
- dma_pool_free(sdev->pool, v_lli, p_lli);
err_txd_free:
kfree(txd);
return NULL;
@@ -915,6 +913,7 @@ static int sun6i_dma_probe(struct platform_device *pdev)
sdc->slave.device_prep_dma_memcpy = sun6i_dma_prep_dma_memcpy;
sdc->slave.device_control = sun6i_dma_control;
sdc->slave.chancnt = NR_MAX_VCHANS;
+ sdc->slave.copy_align = 4;
sdc->slave.dev = &pdev->dev;
diff --git a/drivers/gpu/drm/i915/i915_dma.c b/drivers/gpu/drm/i915/i915_dma.c
index 1403b01e8216..318ade9bb5af 100644
--- a/drivers/gpu/drm/i915/i915_dma.c
+++ b/drivers/gpu/drm/i915/i915_dma.c
@@ -1670,15 +1670,17 @@ int i915_driver_load(struct drm_device *dev, unsigned long flags)
goto out_regs;
if (drm_core_check_feature(dev, DRIVER_MODESET)) {
- ret = i915_kick_out_vgacon(dev_priv);
+ /* WARNING: Apparently we must kick fbdev drivers before vgacon,
+ * otherwise the vga fbdev driver falls over. */
+ ret = i915_kick_out_firmware_fb(dev_priv);
if (ret) {
- DRM_ERROR("failed to remove conflicting VGA console\n");
+ DRM_ERROR("failed to remove conflicting framebuffer drivers\n");
goto out_gtt;
}
- ret = i915_kick_out_firmware_fb(dev_priv);
+ ret = i915_kick_out_vgacon(dev_priv);
if (ret) {
- DRM_ERROR("failed to remove conflicting framebuffer drivers\n");
+ DRM_ERROR("failed to remove conflicting VGA console\n");
goto out_gtt;
}
}
diff --git a/drivers/gpu/drm/i915/intel_pm.c b/drivers/gpu/drm/i915/intel_pm.c
index c27b6140bfd1..ad2fd605f76b 100644
--- a/drivers/gpu/drm/i915/intel_pm.c
+++ b/drivers/gpu/drm/i915/intel_pm.c
@@ -5469,11 +5469,6 @@ static void gen6_init_clock_gating(struct drm_device *dev)
I915_WRITE(_3D_CHICKEN,
_MASKED_BIT_ENABLE(_3D_CHICKEN_HIZ_PLANE_DISABLE_MSAA_4X_SNB));
- /* WaSetupGtModeTdRowDispatch:snb */
- if (IS_SNB_GT1(dev))
- I915_WRITE(GEN6_GT_MODE,
- _MASKED_BIT_ENABLE(GEN6_TD_FOUR_ROW_DISPATCH_DISABLE));
-
/* WaDisable_RenderCache_OperationalFlush:snb */
I915_WRITE(CACHE_MODE_0, _MASKED_BIT_DISABLE(RC_OP_FLUSH_ENABLE));
diff --git a/drivers/gpu/drm/radeon/r600_dpm.c b/drivers/gpu/drm/radeon/r600_dpm.c
index f6309bd23e01..b5c73df8e202 100644
--- a/drivers/gpu/drm/radeon/r600_dpm.c
+++ b/drivers/gpu/drm/radeon/r600_dpm.c
@@ -1256,7 +1256,7 @@ int r600_parse_extended_power_table(struct radeon_device *rdev)
(mode_info->atom_context->bios + data_offset +
le16_to_cpu(ext_hdr->usPowerTuneTableOffset));
rdev->pm.dpm.dyn_state.cac_tdp_table->maximum_power_delivery_limit =
- ppt->usMaximumPowerDeliveryLimit;
+ le16_to_cpu(ppt->usMaximumPowerDeliveryLimit);
pt = &ppt->power_tune_table;
} else {
ATOM_PPLIB_POWERTUNE_Table *ppt = (ATOM_PPLIB_POWERTUNE_Table *)
diff --git a/drivers/gpu/drm/radeon/radeon_encoders.c b/drivers/gpu/drm/radeon/radeon_encoders.c
index 9a19e52cc655..6b670b0bc47b 100644
--- a/drivers/gpu/drm/radeon/radeon_encoders.c
+++ b/drivers/gpu/drm/radeon/radeon_encoders.c
@@ -179,6 +179,9 @@ static void radeon_encoder_add_backlight(struct radeon_encoder *radeon_encoder,
(rdev->pdev->subsystem_vendor == 0x1734) &&
(rdev->pdev->subsystem_device == 0x1107))
use_bl = false;
+ /* disable native backlight control on older asics */
+ else if (rdev->family < CHIP_R600)
+ use_bl = false;
else
use_bl = true;
}
diff --git a/drivers/infiniband/ulp/isert/ib_isert.c b/drivers/infiniband/ulp/isert/ib_isert.c
index 3effa931fce2..10641b7816f4 100644
--- a/drivers/infiniband/ulp/isert/ib_isert.c
+++ b/drivers/infiniband/ulp/isert/ib_isert.c
@@ -115,9 +115,12 @@ isert_conn_setup_qp(struct isert_conn *isert_conn, struct rdma_cm_id *cma_id,
attr.cap.max_recv_wr = ISERT_QP_MAX_RECV_DTOS;
/*
* FIXME: Use devattr.max_sge - 2 for max_send_sge as
- * work-around for RDMA_READ..
+ * work-around for RDMA_READs with ConnectX-2.
+ *
+ * Also, still make sure to have at least two SGEs for
+ * outgoing control PDU responses.
*/
- attr.cap.max_send_sge = device->dev_attr.max_sge - 2;
+ attr.cap.max_send_sge = max(2, device->dev_attr.max_sge - 2);
isert_conn->max_sge = attr.cap.max_send_sge;
attr.cap.max_recv_sge = 1;
@@ -225,12 +228,16 @@ isert_create_device_ib_res(struct isert_device *device)
struct isert_cq_desc *cq_desc;
struct ib_device_attr *dev_attr;
int ret = 0, i, j;
+ int max_rx_cqe, max_tx_cqe;
dev_attr = &device->dev_attr;
ret = isert_query_device(ib_dev, dev_attr);
if (ret)
return ret;
+ max_rx_cqe = min(ISER_MAX_RX_CQ_LEN, dev_attr->max_cqe);
+ max_tx_cqe = min(ISER_MAX_TX_CQ_LEN, dev_attr->max_cqe);
+
/* asign function handlers */
if (dev_attr->device_cap_flags & IB_DEVICE_MEM_MGT_EXTENSIONS &&
dev_attr->device_cap_flags & IB_DEVICE_SIGNATURE_HANDOVER) {
@@ -272,7 +279,7 @@ isert_create_device_ib_res(struct isert_device *device)
isert_cq_rx_callback,
isert_cq_event_callback,
(void *)&cq_desc[i],
- ISER_MAX_RX_CQ_LEN, i);
+ max_rx_cqe, i);
if (IS_ERR(device->dev_rx_cq[i])) {
ret = PTR_ERR(device->dev_rx_cq[i]);
device->dev_rx_cq[i] = NULL;
@@ -284,7 +291,7 @@ isert_create_device_ib_res(struct isert_device *device)
isert_cq_tx_callback,
isert_cq_event_callback,
(void *)&cq_desc[i],
- ISER_MAX_TX_CQ_LEN, i);
+ max_tx_cqe, i);
if (IS_ERR(device->dev_tx_cq[i])) {
ret = PTR_ERR(device->dev_tx_cq[i]);
device->dev_tx_cq[i] = NULL;
@@ -803,14 +810,25 @@ wake_up:
complete(&isert_conn->conn_wait);
}
-static void
+static int
isert_disconnected_handler(struct rdma_cm_id *cma_id, bool disconnect)
{
- struct isert_conn *isert_conn = (struct isert_conn *)cma_id->context;
+ struct isert_conn *isert_conn;
+
+ if (!cma_id->qp) {
+ struct isert_np *isert_np = cma_id->context;
+
+ isert_np->np_cm_id = NULL;
+ return -1;
+ }
+
+ isert_conn = (struct isert_conn *)cma_id->context;
isert_conn->disconnect = disconnect;
INIT_WORK(&isert_conn->conn_logout_work, isert_disconnect_work);
schedule_work(&isert_conn->conn_logout_work);
+
+ return 0;
}
static int
@@ -825,6 +843,9 @@ isert_cma_handler(struct rdma_cm_id *cma_id, struct rdma_cm_event *event)
switch (event->event) {
case RDMA_CM_EVENT_CONNECT_REQUEST:
ret = isert_connect_request(cma_id, event);
+ if (ret)
+ pr_err("isert_cma_handler failed RDMA_CM_EVENT: 0x%08x %d\n",
+ event->event, ret);
break;
case RDMA_CM_EVENT_ESTABLISHED:
isert_connected_handler(cma_id);
@@ -834,7 +855,7 @@ isert_cma_handler(struct rdma_cm_id *cma_id, struct rdma_cm_event *event)
case RDMA_CM_EVENT_DEVICE_REMOVAL: /* FALLTHRU */
disconnect = true;
case RDMA_CM_EVENT_TIMEWAIT_EXIT: /* FALLTHRU */
- isert_disconnected_handler(cma_id, disconnect);
+ ret = isert_disconnected_handler(cma_id, disconnect);
break;
case RDMA_CM_EVENT_CONNECT_ERROR:
default:
@@ -842,12 +863,6 @@ isert_cma_handler(struct rdma_cm_id *cma_id, struct rdma_cm_event *event)
break;
}
- if (ret != 0) {
- pr_err("isert_cma_handler failed RDMA_CM_EVENT: 0x%08x %d\n",
- event->event, ret);
- dump_stack();
- }
-
return ret;
}
@@ -3190,7 +3205,8 @@ isert_free_np(struct iscsi_np *np)
{
struct isert_np *isert_np = (struct isert_np *)np->np_context;
- rdma_destroy_id(isert_np->np_cm_id);
+ if (isert_np->np_cm_id)
+ rdma_destroy_id(isert_np->np_cm_id);
np->np_context = NULL;
kfree(isert_np);
diff --git a/drivers/infiniband/ulp/srpt/ib_srpt.c b/drivers/infiniband/ulp/srpt/ib_srpt.c
index 7206547c13ce..dc829682701a 100644
--- a/drivers/infiniband/ulp/srpt/ib_srpt.c
+++ b/drivers/infiniband/ulp/srpt/ib_srpt.c
@@ -2092,6 +2092,7 @@ static int srpt_create_ch_ib(struct srpt_rdma_ch *ch)
if (!qp_init)
goto out;
+retry:
ch->cq = ib_create_cq(sdev->device, srpt_completion, NULL, ch,
ch->rq_size + srp_sq_size, 0);
if (IS_ERR(ch->cq)) {
@@ -2115,6 +2116,13 @@ static int srpt_create_ch_ib(struct srpt_rdma_ch *ch)
ch->qp = ib_create_qp(sdev->pd, qp_init);
if (IS_ERR(ch->qp)) {
ret = PTR_ERR(ch->qp);
+ if (ret == -ENOMEM) {
+ srp_sq_size /= 2;
+ if (srp_sq_size >= MIN_SRPT_SQ_SIZE) {
+ ib_destroy_cq(ch->cq);
+ goto retry;
+ }
+ }
printk(KERN_ERR "failed to create_qp ret= %d\n", ret);
goto err_destroy_cq;
}
diff --git a/drivers/net/bonding/bond_main.c b/drivers/net/bonding/bond_main.c
index c9ac06cfe6b7..a5115fb7cf33 100644
--- a/drivers/net/bonding/bond_main.c
+++ b/drivers/net/bonding/bond_main.c
@@ -2471,7 +2471,8 @@ static void bond_loadbalance_arp_mon(struct work_struct *work)
bond_slave_state_change(bond);
if (BOND_MODE(bond) == BOND_MODE_XOR)
bond_update_slave_arr(bond, NULL);
- } else if (do_failover) {
+ }
+ if (do_failover) {
block_netpoll_tx();
bond_select_active_slave(bond);
unblock_netpoll_tx();
diff --git a/drivers/net/can/dev.c b/drivers/net/can/dev.c
index 02492d241e4c..2cfe5012e4e5 100644
--- a/drivers/net/can/dev.c
+++ b/drivers/net/can/dev.c
@@ -110,7 +110,7 @@ static int can_calc_bittiming(struct net_device *dev, struct can_bittiming *bt,
long rate;
u64 v64;
- /* Use CIA recommended sample points */
+ /* Use CiA recommended sample points */
if (bt->sample_point) {
sampl_pt = bt->sample_point;
} else {
@@ -382,7 +382,7 @@ void can_free_echo_skb(struct net_device *dev, unsigned int idx)
BUG_ON(idx >= priv->echo_skb_max);
if (priv->echo_skb[idx]) {
- kfree_skb(priv->echo_skb[idx]);
+ dev_kfree_skb_any(priv->echo_skb[idx]);
priv->echo_skb[idx] = NULL;
}
}
diff --git a/drivers/net/can/m_can/Kconfig b/drivers/net/can/m_can/Kconfig
index fca5482c09ac..04f20dd39007 100644
--- a/drivers/net/can/m_can/Kconfig
+++ b/drivers/net/can/m_can/Kconfig
@@ -1,4 +1,5 @@
config CAN_M_CAN
+ depends on HAS_IOMEM
tristate "Bosch M_CAN devices"
---help---
Say Y here if you want to support for Bosch M_CAN controller.
diff --git a/drivers/net/can/m_can/m_can.c b/drivers/net/can/m_can/m_can.c
index 10d571eaed85..d7bc462aafdc 100644
--- a/drivers/net/can/m_can/m_can.c
+++ b/drivers/net/can/m_can/m_can.c
@@ -105,14 +105,36 @@ enum m_can_mram_cfg {
MRAM_CFG_NUM,
};
+/* Fast Bit Timing & Prescaler Register (FBTP) */
+#define FBTR_FBRP_MASK 0x1f
+#define FBTR_FBRP_SHIFT 16
+#define FBTR_FTSEG1_SHIFT 8
+#define FBTR_FTSEG1_MASK (0xf << FBTR_FTSEG1_SHIFT)
+#define FBTR_FTSEG2_SHIFT 4
+#define FBTR_FTSEG2_MASK (0x7 << FBTR_FTSEG2_SHIFT)
+#define FBTR_FSJW_SHIFT 0
+#define FBTR_FSJW_MASK 0x3
+
/* Test Register (TEST) */
#define TEST_LBCK BIT(4)
/* CC Control Register(CCCR) */
-#define CCCR_TEST BIT(7)
-#define CCCR_MON BIT(5)
-#define CCCR_CCE BIT(1)
-#define CCCR_INIT BIT(0)
+#define CCCR_TEST BIT(7)
+#define CCCR_CMR_MASK 0x3
+#define CCCR_CMR_SHIFT 10
+#define CCCR_CMR_CANFD 0x1
+#define CCCR_CMR_CANFD_BRS 0x2
+#define CCCR_CMR_CAN 0x3
+#define CCCR_CME_MASK 0x3
+#define CCCR_CME_SHIFT 8
+#define CCCR_CME_CAN 0
+#define CCCR_CME_CANFD 0x1
+#define CCCR_CME_CANFD_BRS 0x2
+#define CCCR_TEST BIT(7)
+#define CCCR_MON BIT(5)
+#define CCCR_CCE BIT(1)
+#define CCCR_INIT BIT(0)
+#define CCCR_CANFD 0x10
/* Bit Timing & Prescaler Register (BTP) */
#define BTR_BRP_MASK 0x3ff
@@ -204,6 +226,7 @@ enum m_can_mram_cfg {
/* Rx Buffer / FIFO Element Size Configuration (RXESC) */
#define M_CAN_RXESC_8BYTES 0x0
+#define M_CAN_RXESC_64BYTES 0x777
/* Tx Buffer Configuration(TXBC) */
#define TXBC_NDTB_OFF 16
@@ -211,6 +234,7 @@ enum m_can_mram_cfg {
/* Tx Buffer Element Size Configuration(TXESC) */
#define TXESC_TBDS_8BYTES 0x0
+#define TXESC_TBDS_64BYTES 0x7
/* Tx Event FIFO Con.guration (TXEFC) */
#define TXEFC_EFS_OFF 16
@@ -219,11 +243,11 @@ enum m_can_mram_cfg {
/* Message RAM Configuration (in bytes) */
#define SIDF_ELEMENT_SIZE 4
#define XIDF_ELEMENT_SIZE 8
-#define RXF0_ELEMENT_SIZE 16
-#define RXF1_ELEMENT_SIZE 16
+#define RXF0_ELEMENT_SIZE 72
+#define RXF1_ELEMENT_SIZE 72
#define RXB_ELEMENT_SIZE 16
#define TXE_ELEMENT_SIZE 8
-#define TXB_ELEMENT_SIZE 16
+#define TXB_ELEMENT_SIZE 72
/* Message RAM Elements */
#define M_CAN_FIFO_ID 0x0
@@ -231,11 +255,17 @@ enum m_can_mram_cfg {
#define M_CAN_FIFO_DATA(n) (0x8 + ((n) << 2))
/* Rx Buffer Element */
+/* R0 */
#define RX_BUF_ESI BIT(31)
#define RX_BUF_XTD BIT(30)
#define RX_BUF_RTR BIT(29)
+/* R1 */
+#define RX_BUF_ANMF BIT(31)
+#define RX_BUF_EDL BIT(21)
+#define RX_BUF_BRS BIT(20)
/* Tx Buffer Element */
+/* R0 */
#define TX_BUF_XTD BIT(30)
#define TX_BUF_RTR BIT(29)
@@ -296,6 +326,7 @@ static inline void m_can_config_endisable(const struct m_can_priv *priv,
if (enable) {
/* enable m_can configuration */
m_can_write(priv, M_CAN_CCCR, cccr | CCCR_INIT);
+ udelay(5);
/* CCCR.CCE can only be set/reset while CCCR.INIT = '1' */
m_can_write(priv, M_CAN_CCCR, cccr | CCCR_INIT | CCCR_CCE);
} else {
@@ -326,41 +357,67 @@ static inline void m_can_disable_all_interrupts(const struct m_can_priv *priv)
m_can_write(priv, M_CAN_ILE, 0x0);
}
-static void m_can_read_fifo(const struct net_device *dev, struct can_frame *cf,
- u32 rxfs)
+static void m_can_read_fifo(struct net_device *dev, u32 rxfs)
{
+ struct net_device_stats *stats = &dev->stats;
struct m_can_priv *priv = netdev_priv(dev);
- u32 id, fgi;
+ struct canfd_frame *cf;
+ struct sk_buff *skb;
+ u32 id, fgi, dlc;
+ int i;
/* calculate the fifo get index for where to read data */
fgi = (rxfs & RXFS_FGI_MASK) >> RXFS_FGI_OFF;
+ dlc = m_can_fifo_read(priv, fgi, M_CAN_FIFO_DLC);
+ if (dlc & RX_BUF_EDL)
+ skb = alloc_canfd_skb(dev, &cf);
+ else
+ skb = alloc_can_skb(dev, (struct can_frame **)&cf);
+ if (!skb) {
+ stats->rx_dropped++;
+ return;
+ }
+
+ if (dlc & RX_BUF_EDL)
+ cf->len = can_dlc2len((dlc >> 16) & 0x0F);
+ else
+ cf->len = get_can_dlc((dlc >> 16) & 0x0F);
+
id = m_can_fifo_read(priv, fgi, M_CAN_FIFO_ID);
if (id & RX_BUF_XTD)
cf->can_id = (id & CAN_EFF_MASK) | CAN_EFF_FLAG;
else
cf->can_id = (id >> 18) & CAN_SFF_MASK;
- if (id & RX_BUF_RTR) {
+ if (id & RX_BUF_ESI) {
+ cf->flags |= CANFD_ESI;
+ netdev_dbg(dev, "ESI Error\n");
+ }
+
+ if (!(dlc & RX_BUF_EDL) && (id & RX_BUF_RTR)) {
cf->can_id |= CAN_RTR_FLAG;
} else {
- id = m_can_fifo_read(priv, fgi, M_CAN_FIFO_DLC);
- cf->can_dlc = get_can_dlc((id >> 16) & 0x0F);
- *(u32 *)(cf->data + 0) = m_can_fifo_read(priv, fgi,
- M_CAN_FIFO_DATA(0));
- *(u32 *)(cf->data + 4) = m_can_fifo_read(priv, fgi,
- M_CAN_FIFO_DATA(1));
+ if (dlc & RX_BUF_BRS)
+ cf->flags |= CANFD_BRS;
+
+ for (i = 0; i < cf->len; i += 4)
+ *(u32 *)(cf->data + i) =
+ m_can_fifo_read(priv, fgi,
+ M_CAN_FIFO_DATA(i / 4));
}
/* acknowledge rx fifo 0 */
m_can_write(priv, M_CAN_RXF0A, fgi);
+
+ stats->rx_packets++;
+ stats->rx_bytes += cf->len;
+
+ netif_receive_skb(skb);
}
static int m_can_do_rx_poll(struct net_device *dev, int quota)
{
struct m_can_priv *priv = netdev_priv(dev);
- struct net_device_stats *stats = &dev->stats;
- struct sk_buff *skb;
- struct can_frame *frame;
u32 pkts = 0;
u32 rxfs;
@@ -374,18 +431,7 @@ static int m_can_do_rx_poll(struct net_device *dev, int quota)
if (rxfs & RXFS_RFL)
netdev_warn(dev, "Rx FIFO 0 Message Lost\n");
- skb = alloc_can_skb(dev, &frame);
- if (!skb) {
- stats->rx_dropped++;
- return pkts;
- }
-
- m_can_read_fifo(dev, frame, rxfs);
-
- stats->rx_packets++;
- stats->rx_bytes += frame->can_dlc;
-
- netif_receive_skb(skb);
+ m_can_read_fifo(dev, rxfs);
quota--;
pkts++;
@@ -481,11 +527,23 @@ static int m_can_handle_lec_err(struct net_device *dev,
return 1;
}
+static int __m_can_get_berr_counter(const struct net_device *dev,
+ struct can_berr_counter *bec)
+{
+ struct m_can_priv *priv = netdev_priv(dev);
+ unsigned int ecr;
+
+ ecr = m_can_read(priv, M_CAN_ECR);
+ bec->rxerr = (ecr & ECR_REC_MASK) >> ECR_REC_SHIFT;
+ bec->txerr = ecr & ECR_TEC_MASK;
+
+ return 0;
+}
+
static int m_can_get_berr_counter(const struct net_device *dev,
struct can_berr_counter *bec)
{
struct m_can_priv *priv = netdev_priv(dev);
- unsigned int ecr;
int err;
err = clk_prepare_enable(priv->hclk);
@@ -498,9 +556,7 @@ static int m_can_get_berr_counter(const struct net_device *dev,
return err;
}
- ecr = m_can_read(priv, M_CAN_ECR);
- bec->rxerr = (ecr & ECR_REC_MASK) >> ECR_REC_SHIFT;
- bec->txerr = ecr & ECR_TEC_MASK;
+ __m_can_get_berr_counter(dev, bec);
clk_disable_unprepare(priv->cclk);
clk_disable_unprepare(priv->hclk);
@@ -544,7 +600,7 @@ static int m_can_handle_state_change(struct net_device *dev,
if (unlikely(!skb))
return 0;
- m_can_get_berr_counter(dev, &bec);
+ __m_can_get_berr_counter(dev, &bec);
switch (new_state) {
case CAN_STATE_ERROR_ACTIVE:
@@ -596,14 +652,14 @@ static int m_can_handle_state_errors(struct net_device *dev, u32 psr)
if ((psr & PSR_EP) &&
(priv->can.state != CAN_STATE_ERROR_PASSIVE)) {
- netdev_dbg(dev, "entered error warning state\n");
+ netdev_dbg(dev, "entered error passive state\n");
work_done += m_can_handle_state_change(dev,
CAN_STATE_ERROR_PASSIVE);
}
if ((psr & PSR_BO) &&
(priv->can.state != CAN_STATE_BUS_OFF)) {
- netdev_dbg(dev, "entered error warning state\n");
+ netdev_dbg(dev, "entered error bus off state\n");
work_done += m_can_handle_state_change(dev,
CAN_STATE_BUS_OFF);
}
@@ -615,7 +671,7 @@ static void m_can_handle_other_err(struct net_device *dev, u32 irqstatus)
{
if (irqstatus & IR_WDI)
netdev_err(dev, "Message RAM Watchdog event due to missing READY\n");
- if (irqstatus & IR_BEU)
+ if (irqstatus & IR_ELO)
netdev_err(dev, "Error Logging Overflow\n");
if (irqstatus & IR_BEU)
netdev_err(dev, "Bit Error Uncorrected\n");
@@ -733,10 +789,23 @@ static const struct can_bittiming_const m_can_bittiming_const = {
.brp_inc = 1,
};
+static const struct can_bittiming_const m_can_data_bittiming_const = {
+ .name = KBUILD_MODNAME,
+ .tseg1_min = 2, /* Time segment 1 = prop_seg + phase_seg1 */
+ .tseg1_max = 16,
+ .tseg2_min = 1, /* Time segment 2 = phase_seg2 */
+ .tseg2_max = 8,
+ .sjw_max = 4,
+ .brp_min = 1,
+ .brp_max = 32,
+ .brp_inc = 1,
+};
+
static int m_can_set_bittiming(struct net_device *dev)
{
struct m_can_priv *priv = netdev_priv(dev);
const struct can_bittiming *bt = &priv->can.bittiming;
+ const struct can_bittiming *dbt = &priv->can.data_bittiming;
u16 brp, sjw, tseg1, tseg2;
u32 reg_btp;
@@ -747,7 +816,17 @@ static int m_can_set_bittiming(struct net_device *dev)
reg_btp = (brp << BTR_BRP_SHIFT) | (sjw << BTR_SJW_SHIFT) |
(tseg1 << BTR_TSEG1_SHIFT) | (tseg2 << BTR_TSEG2_SHIFT);
m_can_write(priv, M_CAN_BTP, reg_btp);
- netdev_dbg(dev, "setting BTP 0x%x\n", reg_btp);
+
+ if (priv->can.ctrlmode & CAN_CTRLMODE_FD) {
+ brp = dbt->brp - 1;
+ sjw = dbt->sjw - 1;
+ tseg1 = dbt->prop_seg + dbt->phase_seg1 - 1;
+ tseg2 = dbt->phase_seg2 - 1;
+ reg_btp = (brp << FBTR_FBRP_SHIFT) | (sjw << FBTR_FSJW_SHIFT) |
+ (tseg1 << FBTR_FTSEG1_SHIFT) |
+ (tseg2 << FBTR_FTSEG2_SHIFT);
+ m_can_write(priv, M_CAN_FBTP, reg_btp);
+ }
return 0;
}
@@ -767,8 +846,8 @@ static void m_can_chip_config(struct net_device *dev)
m_can_config_endisable(priv, true);
- /* RX Buffer/FIFO Element Size 8 bytes data field */
- m_can_write(priv, M_CAN_RXESC, M_CAN_RXESC_8BYTES);
+ /* RX Buffer/FIFO Element Size 64 bytes data field */
+ m_can_write(priv, M_CAN_RXESC, M_CAN_RXESC_64BYTES);
/* Accept Non-matching Frames Into FIFO 0 */
m_can_write(priv, M_CAN_GFC, 0x0);
@@ -777,8 +856,8 @@ static void m_can_chip_config(struct net_device *dev)
m_can_write(priv, M_CAN_TXBC, (1 << TXBC_NDTB_OFF) |
priv->mcfg[MRAM_TXB].off);
- /* only support 8 bytes firstly */
- m_can_write(priv, M_CAN_TXESC, TXESC_TBDS_8BYTES);
+ /* support 64 bytes payload */
+ m_can_write(priv, M_CAN_TXESC, TXESC_TBDS_64BYTES);
m_can_write(priv, M_CAN_TXEFC, (1 << TXEFC_EFS_OFF) |
priv->mcfg[MRAM_TXE].off);
@@ -793,7 +872,8 @@ static void m_can_chip_config(struct net_device *dev)
RXFC_FWM_1 | priv->mcfg[MRAM_RXF1].off);
cccr = m_can_read(priv, M_CAN_CCCR);
- cccr &= ~(CCCR_TEST | CCCR_MON);
+ cccr &= ~(CCCR_TEST | CCCR_MON | (CCCR_CMR_MASK << CCCR_CMR_SHIFT) |
+ (CCCR_CME_MASK << CCCR_CME_SHIFT));
test = m_can_read(priv, M_CAN_TEST);
test &= ~TEST_LBCK;
@@ -805,6 +885,9 @@ static void m_can_chip_config(struct net_device *dev)
test |= TEST_LBCK;
}
+ if (priv->can.ctrlmode & CAN_CTRLMODE_FD)
+ cccr |= CCCR_CME_CANFD_BRS << CCCR_CME_SHIFT;
+
m_can_write(priv, M_CAN_CCCR, cccr);
m_can_write(priv, M_CAN_TEST, test);
@@ -869,11 +952,13 @@ static struct net_device *alloc_m_can_dev(void)
priv->dev = dev;
priv->can.bittiming_const = &m_can_bittiming_const;
+ priv->can.data_bittiming_const = &m_can_data_bittiming_const;
priv->can.do_set_mode = m_can_set_mode;
priv->can.do_get_berr_counter = m_can_get_berr_counter;
priv->can.ctrlmode_supported = CAN_CTRLMODE_LOOPBACK |
CAN_CTRLMODE_LISTENONLY |
- CAN_CTRLMODE_BERR_REPORTING;
+ CAN_CTRLMODE_BERR_REPORTING |
+ CAN_CTRLMODE_FD;
return dev;
}
@@ -956,8 +1041,9 @@ static netdev_tx_t m_can_start_xmit(struct sk_buff *skb,
struct net_device *dev)
{
struct m_can_priv *priv = netdev_priv(dev);
- struct can_frame *cf = (struct can_frame *)skb->data;
- u32 id;
+ struct canfd_frame *cf = (struct canfd_frame *)skb->data;
+ u32 id, cccr;
+ int i;
if (can_dropped_invalid_skb(dev, skb))
return NETDEV_TX_OK;
@@ -976,11 +1062,28 @@ static netdev_tx_t m_can_start_xmit(struct sk_buff *skb,
/* message ram configuration */
m_can_fifo_write(priv, 0, M_CAN_FIFO_ID, id);
- m_can_fifo_write(priv, 0, M_CAN_FIFO_DLC, cf->can_dlc << 16);
- m_can_fifo_write(priv, 0, M_CAN_FIFO_DATA(0), *(u32 *)(cf->data + 0));
- m_can_fifo_write(priv, 0, M_CAN_FIFO_DATA(1), *(u32 *)(cf->data + 4));
+ m_can_fifo_write(priv, 0, M_CAN_FIFO_DLC, can_len2dlc(cf->len) << 16);
+
+ for (i = 0; i < cf->len; i += 4)
+ m_can_fifo_write(priv, 0, M_CAN_FIFO_DATA(i / 4),
+ *(u32 *)(cf->data + i));
+
can_put_echo_skb(skb, dev, 0);
+ if (priv->can.ctrlmode & CAN_CTRLMODE_FD) {
+ cccr = m_can_read(priv, M_CAN_CCCR);
+ cccr &= ~(CCCR_CMR_MASK << CCCR_CMR_SHIFT);
+ if (can_is_canfd_skb(skb)) {
+ if (cf->flags & CANFD_BRS)
+ cccr |= CCCR_CMR_CANFD_BRS << CCCR_CMR_SHIFT;
+ else
+ cccr |= CCCR_CMR_CANFD << CCCR_CMR_SHIFT;
+ } else {
+ cccr |= CCCR_CMR_CAN << CCCR_CMR_SHIFT;
+ }
+ m_can_write(priv, M_CAN_CCCR, cccr);
+ }
+
/* enable first TX buffer to start transfer */
m_can_write(priv, M_CAN_TXBTIE, 0x1);
m_can_write(priv, M_CAN_TXBAR, 0x1);
@@ -992,6 +1095,7 @@ static const struct net_device_ops m_can_netdev_ops = {
.ndo_open = m_can_open,
.ndo_stop = m_can_close,
.ndo_start_xmit = m_can_start_xmit,
+ .ndo_change_mtu = can_change_mtu,
};
static int register_m_can_dev(struct net_device *dev)
@@ -1009,7 +1113,7 @@ static int m_can_of_parse_mram(struct platform_device *pdev,
struct resource *res;
void __iomem *addr;
u32 out_val[MRAM_CFG_LEN];
- int ret;
+ int i, start, end, ret;
/* message ram could be shared */
res = platform_get_resource_byname(pdev, IORESOURCE_MEM, "message_ram");
@@ -1060,6 +1164,15 @@ static int m_can_of_parse_mram(struct platform_device *pdev,
priv->mcfg[MRAM_TXE].off, priv->mcfg[MRAM_TXE].num,
priv->mcfg[MRAM_TXB].off, priv->mcfg[MRAM_TXB].num);
+ /* initialize the entire Message RAM in use to avoid possible
+ * ECC/parity checksum errors when reading an uninitialized buffer
+ */
+ start = priv->mcfg[MRAM_SIDF].off;
+ end = priv->mcfg[MRAM_TXB].off +
+ priv->mcfg[MRAM_TXB].num * TXB_ELEMENT_SIZE;
+ for (i = start; i < end; i += 4)
+ writel(0x0, priv->mram_base + i);
+
return 0;
}
diff --git a/drivers/net/can/rcar_can.c b/drivers/net/can/rcar_can.c
index 1abe133d1594..9718248e55f1 100644
--- a/drivers/net/can/rcar_can.c
+++ b/drivers/net/can/rcar_can.c
@@ -628,6 +628,7 @@ static const struct net_device_ops rcar_can_netdev_ops = {
.ndo_open = rcar_can_open,
.ndo_stop = rcar_can_close,
.ndo_start_xmit = rcar_can_start_xmit,
+ .ndo_change_mtu = can_change_mtu,
};
static void rcar_can_rx_pkt(struct rcar_can_priv *priv)
diff --git a/drivers/net/can/sja1000/kvaser_pci.c b/drivers/net/can/sja1000/kvaser_pci.c
index 8ff3424d5147..15c00faeec61 100644
--- a/drivers/net/can/sja1000/kvaser_pci.c
+++ b/drivers/net/can/sja1000/kvaser_pci.c
@@ -214,7 +214,7 @@ static int kvaser_pci_add_chan(struct pci_dev *pdev, int channel,
struct net_device *dev;
struct sja1000_priv *priv;
struct kvaser_pci *board;
- int err, init_step;
+ int err;
dev = alloc_sja1000dev(sizeof(struct kvaser_pci));
if (dev == NULL)
@@ -235,7 +235,6 @@ static int kvaser_pci_add_chan(struct pci_dev *pdev, int channel,
if (channel == 0) {
board->xilinx_ver =
ioread8(board->res_addr + XILINX_VERINT) >> 4;
- init_step = 2;
/* Assert PTADR# - we're in passive mode so the other bits are
not important */
@@ -264,8 +263,6 @@ static int kvaser_pci_add_chan(struct pci_dev *pdev, int channel,
priv->irq_flags = IRQF_SHARED;
dev->irq = pdev->irq;
- init_step = 4;
-
dev_info(&pdev->dev, "reg_base=%p conf_addr=%p irq=%d\n",
priv->reg_base, board->conf_addr, dev->irq);
diff --git a/drivers/net/can/usb/ems_usb.c b/drivers/net/can/usb/ems_usb.c
index 00f2534dde73..29d3f0938eb8 100644
--- a/drivers/net/can/usb/ems_usb.c
+++ b/drivers/net/can/usb/ems_usb.c
@@ -434,10 +434,9 @@ static void ems_usb_read_bulk_callback(struct urb *urb)
if (urb->actual_length > CPC_HEADER_SIZE) {
struct ems_cpc_msg *msg;
u8 *ibuf = urb->transfer_buffer;
- u8 msg_count, again, start;
+ u8 msg_count, start;
msg_count = ibuf[0] & ~0x80;
- again = ibuf[0] & 0x80;
start = CPC_HEADER_SIZE;
diff --git a/drivers/net/can/usb/esd_usb2.c b/drivers/net/can/usb/esd_usb2.c
index b7c9e8b11460..c063a54ab8dd 100644
--- a/drivers/net/can/usb/esd_usb2.c
+++ b/drivers/net/can/usb/esd_usb2.c
@@ -464,7 +464,6 @@ static void esd_usb2_write_bulk_callback(struct urb *urb)
{
struct esd_tx_urb_context *context = urb->context;
struct esd_usb2_net_priv *priv;
- struct esd_usb2 *dev;
struct net_device *netdev;
size_t size = sizeof(struct esd_usb2_msg);
@@ -472,7 +471,6 @@ static void esd_usb2_write_bulk_callback(struct urb *urb)
priv = context->priv;
netdev = priv->netdev;
- dev = priv->usb2;
/* free up our allocated buffer */
usb_free_coherent(urb->dev, size,
@@ -1143,6 +1141,7 @@ static void esd_usb2_disconnect(struct usb_interface *intf)
}
}
unlink_all_urbs(dev);
+ kfree(dev);
}
}
diff --git a/drivers/net/can/usb/gs_usb.c b/drivers/net/can/usb/gs_usb.c
index 04b0f84612f0..009acc8641fc 100644
--- a/drivers/net/can/usb/gs_usb.c
+++ b/drivers/net/can/usb/gs_usb.c
@@ -718,6 +718,7 @@ static const struct net_device_ops gs_usb_netdev_ops = {
.ndo_open = gs_can_open,
.ndo_stop = gs_can_close,
.ndo_start_xmit = gs_can_start_xmit,
+ .ndo_change_mtu = can_change_mtu,
};
static struct gs_can *gs_make_candev(unsigned int channel, struct usb_interface *intf)
diff --git a/drivers/net/can/xilinx_can.c b/drivers/net/can/xilinx_can.c
index 5e8b5609c067..8a998e3884ce 100644
--- a/drivers/net/can/xilinx_can.c
+++ b/drivers/net/can/xilinx_can.c
@@ -300,7 +300,8 @@ static int xcan_set_bittiming(struct net_device *ndev)
static int xcan_chip_start(struct net_device *ndev)
{
struct xcan_priv *priv = netdev_priv(ndev);
- u32 err, reg_msr, reg_sr_mask;
+ u32 reg_msr, reg_sr_mask;
+ int err;
unsigned long timeout;
/* Check if it is in reset mode */
@@ -961,6 +962,7 @@ static const struct net_device_ops xcan_netdev_ops = {
.ndo_open = xcan_open,
.ndo_stop = xcan_close,
.ndo_start_xmit = xcan_start_xmit,
+ .ndo_change_mtu = can_change_mtu,
};
/**
diff --git a/drivers/net/ethernet/chelsio/cxgb4/cxgb4_dcb.c b/drivers/net/ethernet/chelsio/cxgb4/cxgb4_dcb.c
index cca604994003..4fe33606f372 100644
--- a/drivers/net/ethernet/chelsio/cxgb4/cxgb4_dcb.c
+++ b/drivers/net/ethernet/chelsio/cxgb4/cxgb4_dcb.c
@@ -1082,7 +1082,7 @@ static int cxgb4_cee_peer_getpg(struct net_device *dev, struct cee_pg *pg)
pgid = be32_to_cpu(pcmd.u.dcb.pgid.pgid);
for (i = 0; i < CXGB4_MAX_PRIORITY; i++)
- pg->prio_pg[i] = (pgid >> (i * 4)) & 0xF;
+ pg->prio_pg[7 - i] = (pgid >> (i * 4)) & 0xF;
INIT_PORT_DCB_READ_PEER_CMD(pcmd, pi->port_id);
pcmd.u.dcb.pgrate.type = FW_PORT_DCB_TYPE_PGRATE;
diff --git a/drivers/net/ethernet/emulex/benet/be_main.c b/drivers/net/ethernet/emulex/benet/be_main.c
index 9a18e7930b31..3e8475cae4f9 100644
--- a/drivers/net/ethernet/emulex/benet/be_main.c
+++ b/drivers/net/ethernet/emulex/benet/be_main.c
@@ -4421,6 +4421,11 @@ static void be_del_vxlan_port(struct net_device *netdev, sa_family_t sa_family,
"Disabled VxLAN offloads for UDP port %d\n",
be16_to_cpu(port));
}
+
+static bool be_gso_check(struct sk_buff *skb, struct net_device *dev)
+{
+ return vxlan_gso_check(skb);
+}
#endif
static const struct net_device_ops be_netdev_ops = {
@@ -4450,6 +4455,7 @@ static const struct net_device_ops be_netdev_ops = {
#ifdef CONFIG_BE2NET_VXLAN
.ndo_add_vxlan_port = be_add_vxlan_port,
.ndo_del_vxlan_port = be_del_vxlan_port,
+ .ndo_gso_check = be_gso_check,
#endif
};
diff --git a/drivers/net/ethernet/mellanox/mlx4/en_netdev.c b/drivers/net/ethernet/mellanox/mlx4/en_netdev.c
index 02266e3de514..4d69e382b4e5 100644
--- a/drivers/net/ethernet/mellanox/mlx4/en_netdev.c
+++ b/drivers/net/ethernet/mellanox/mlx4/en_netdev.c
@@ -1693,7 +1693,7 @@ int mlx4_en_start_port(struct net_device *dev)
mlx4_set_stats_bitmap(mdev->dev, &priv->stats_bitmap);
#ifdef CONFIG_MLX4_EN_VXLAN
- if (priv->mdev->dev->caps.flags2 & MLX4_DEV_CAP_FLAG2_VXLAN_OFFLOADS)
+ if (priv->mdev->dev->caps.tunnel_offload_mode == MLX4_TUNNEL_OFFLOAD_MODE_VXLAN)
vxlan_get_rx_port(dev);
#endif
priv->port_up = true;
@@ -2355,6 +2355,11 @@ static void mlx4_en_del_vxlan_port(struct net_device *dev,
queue_work(priv->mdev->workqueue, &priv->vxlan_del_task);
}
+
+static bool mlx4_en_gso_check(struct sk_buff *skb, struct net_device *dev)
+{
+ return vxlan_gso_check(skb);
+}
#endif
static const struct net_device_ops mlx4_netdev_ops = {
@@ -2386,6 +2391,7 @@ static const struct net_device_ops mlx4_netdev_ops = {
#ifdef CONFIG_MLX4_EN_VXLAN
.ndo_add_vxlan_port = mlx4_en_add_vxlan_port,
.ndo_del_vxlan_port = mlx4_en_del_vxlan_port,
+ .ndo_gso_check = mlx4_en_gso_check,
#endif
};
@@ -2416,6 +2422,11 @@ static const struct net_device_ops mlx4_netdev_ops_master = {
.ndo_rx_flow_steer = mlx4_en_filter_rfs,
#endif
.ndo_get_phys_port_id = mlx4_en_get_phys_port_id,
+#ifdef CONFIG_MLX4_EN_VXLAN
+ .ndo_add_vxlan_port = mlx4_en_add_vxlan_port,
+ .ndo_del_vxlan_port = mlx4_en_del_vxlan_port,
+ .ndo_gso_check = mlx4_en_gso_check,
+#endif
};
int mlx4_en_init_netdev(struct mlx4_en_dev *mdev, int port,
diff --git a/drivers/net/ethernet/qlogic/qlcnic/qlcnic_main.c b/drivers/net/ethernet/qlogic/qlcnic/qlcnic_main.c
index f5e29f7bdae3..a913b3ad2f89 100644
--- a/drivers/net/ethernet/qlogic/qlcnic/qlcnic_main.c
+++ b/drivers/net/ethernet/qlogic/qlcnic/qlcnic_main.c
@@ -503,6 +503,11 @@ static void qlcnic_del_vxlan_port(struct net_device *netdev,
adapter->flags |= QLCNIC_DEL_VXLAN_PORT;
}
+
+static bool qlcnic_gso_check(struct sk_buff *skb, struct net_device *dev)
+{
+ return vxlan_gso_check(skb);
+}
#endif
static const struct net_device_ops qlcnic_netdev_ops = {
@@ -526,6 +531,7 @@ static const struct net_device_ops qlcnic_netdev_ops = {
#ifdef CONFIG_QLCNIC_VXLAN
.ndo_add_vxlan_port = qlcnic_add_vxlan_port,
.ndo_del_vxlan_port = qlcnic_del_vxlan_port,
+ .ndo_gso_check = qlcnic_gso_check,
#endif
#ifdef CONFIG_NET_POLL_CONTROLLER
.ndo_poll_controller = qlcnic_poll_controller,
diff --git a/drivers/net/ethernet/ti/cpsw.c b/drivers/net/ethernet/ti/cpsw.c
index d8794488f80a..c560f9aeb55d 100644
--- a/drivers/net/ethernet/ti/cpsw.c
+++ b/drivers/net/ethernet/ti/cpsw.c
@@ -129,9 +129,9 @@ do { \
#define CPSW_VLAN_AWARE BIT(1)
#define CPSW_ALE_VLAN_AWARE 1
-#define CPSW_FIFO_NORMAL_MODE (0 << 15)
-#define CPSW_FIFO_DUAL_MAC_MODE (1 << 15)
-#define CPSW_FIFO_RATE_LIMIT_MODE (2 << 15)
+#define CPSW_FIFO_NORMAL_MODE (0 << 16)
+#define CPSW_FIFO_DUAL_MAC_MODE (1 << 16)
+#define CPSW_FIFO_RATE_LIMIT_MODE (2 << 16)
#define CPSW_INTPACEEN (0x3f << 16)
#define CPSW_INTPRESCALE_MASK (0x7FF << 0)
diff --git a/drivers/net/ieee802154/fakehard.c b/drivers/net/ieee802154/fakehard.c
index 9ce854f43917..6cbc56ad9ff4 100644
--- a/drivers/net/ieee802154/fakehard.c
+++ b/drivers/net/ieee802154/fakehard.c
@@ -377,17 +377,20 @@ static int ieee802154fake_probe(struct platform_device *pdev)
err = wpan_phy_register(phy);
if (err)
- goto out;
+ goto err_phy_reg;
err = register_netdev(dev);
- if (err < 0)
- goto out;
+ if (err)
+ goto err_netdev_reg;
dev_info(&pdev->dev, "Added ieee802154 HardMAC hardware\n");
return 0;
-out:
- unregister_netdev(dev);
+err_netdev_reg:
+ wpan_phy_unregister(phy);
+err_phy_reg:
+ free_netdev(dev);
+ wpan_phy_free(phy);
return err;
}
diff --git a/drivers/net/ppp/pptp.c b/drivers/net/ppp/pptp.c
index 1aff970be33e..1dc628ffce2b 100644
--- a/drivers/net/ppp/pptp.c
+++ b/drivers/net/ppp/pptp.c
@@ -506,7 +506,9 @@ static int pptp_getname(struct socket *sock, struct sockaddr *uaddr,
int len = sizeof(struct sockaddr_pppox);
struct sockaddr_pppox sp;
- sp.sa_family = AF_PPPOX;
+ memset(&sp.sa_addr, 0, sizeof(sp.sa_addr));
+
+ sp.sa_family = AF_PPPOX;
sp.sa_protocol = PX_PROTO_PPTP;
sp.sa_addr.pptp = pppox_sk(sock->sk)->proto.pptp.src_addr;
diff --git a/drivers/net/usb/qmi_wwan.c b/drivers/net/usb/qmi_wwan.c
index 22756db53dca..b8a82b86f909 100644
--- a/drivers/net/usb/qmi_wwan.c
+++ b/drivers/net/usb/qmi_wwan.c
@@ -780,6 +780,7 @@ static const struct usb_device_id products[] = {
{QMI_FIXED_INTF(0x413c, 0x81a4, 8)}, /* Dell Wireless 5570e HSPA+ (42Mbps) Mobile Broadband Card */
{QMI_FIXED_INTF(0x413c, 0x81a8, 8)}, /* Dell Wireless 5808 Gobi(TM) 4G LTE Mobile Broadband Card */
{QMI_FIXED_INTF(0x413c, 0x81a9, 8)}, /* Dell Wireless 5808e Gobi(TM) 4G LTE Mobile Broadband Card */
+ {QMI_FIXED_INTF(0x03f0, 0x581d, 4)}, /* HP lt4112 LTE/HSPA+ Gobi 4G Module (Huawei me906e) */
/* 4. Gobi 1000 devices */
{QMI_GOBI1K_DEVICE(0x05c6, 0x9212)}, /* Acer Gobi Modem Device */
diff --git a/drivers/net/virtio_net.c b/drivers/net/virtio_net.c
index ec2a8b41ed41..b0bc8ead47de 100644
--- a/drivers/net/virtio_net.c
+++ b/drivers/net/virtio_net.c
@@ -1673,6 +1673,40 @@ static const struct attribute_group virtio_net_mrg_rx_group = {
};
#endif
+static bool virtnet_fail_on_feature(struct virtio_device *vdev,
+ unsigned int fbit,
+ const char *fname, const char *dname)
+{
+ if (!virtio_has_feature(vdev, fbit))
+ return false;
+
+ dev_err(&vdev->dev, "device advertises feature %s but not %s",
+ fname, dname);
+
+ return true;
+}
+
+#define VIRTNET_FAIL_ON(vdev, fbit, dbit) \
+ virtnet_fail_on_feature(vdev, fbit, #fbit, dbit)
+
+static bool virtnet_validate_features(struct virtio_device *vdev)
+{
+ if (!virtio_has_feature(vdev, VIRTIO_NET_F_CTRL_VQ) &&
+ (VIRTNET_FAIL_ON(vdev, VIRTIO_NET_F_CTRL_RX,
+ "VIRTIO_NET_F_CTRL_VQ") ||
+ VIRTNET_FAIL_ON(vdev, VIRTIO_NET_F_CTRL_VLAN,
+ "VIRTIO_NET_F_CTRL_VQ") ||
+ VIRTNET_FAIL_ON(vdev, VIRTIO_NET_F_GUEST_ANNOUNCE,
+ "VIRTIO_NET_F_CTRL_VQ") ||
+ VIRTNET_FAIL_ON(vdev, VIRTIO_NET_F_MQ, "VIRTIO_NET_F_CTRL_VQ") ||
+ VIRTNET_FAIL_ON(vdev, VIRTIO_NET_F_CTRL_MAC_ADDR,
+ "VIRTIO_NET_F_CTRL_VQ"))) {
+ return false;
+ }
+
+ return true;
+}
+
static int virtnet_probe(struct virtio_device *vdev)
{
int i, err;
@@ -1680,6 +1714,9 @@ static int virtnet_probe(struct virtio_device *vdev)
struct virtnet_info *vi;
u16 max_queue_pairs;
+ if (!virtnet_validate_features(vdev))
+ return -EINVAL;
+
/* Find if host supports multiqueue virtio_net device */
err = virtio_cread_feature(vdev, VIRTIO_NET_F_MQ,
struct virtio_net_config,
diff --git a/drivers/net/vxlan.c b/drivers/net/vxlan.c
index fa9dc45b75a6..e1e335c339e3 100644
--- a/drivers/net/vxlan.c
+++ b/drivers/net/vxlan.c
@@ -67,12 +67,6 @@
#define VXLAN_FLAGS 0x08000000 /* struct vxlanhdr.vx_flags required value. */
-/* VXLAN protocol header */
-struct vxlanhdr {
- __be32 vx_flags;
- __be32 vx_vni;
-};
-
/* UDP port for VXLAN traffic.
* The IANA assigned port is 4789, but the Linux default is 8472
* for compatibility with early adopters.
diff --git a/drivers/net/wireless/ath/ath9k/ar9003_phy.c b/drivers/net/wireless/ath/ath9k/ar9003_phy.c
index 697c4ae90af0..1e8ea5e4d4ca 100644
--- a/drivers/net/wireless/ath/ath9k/ar9003_phy.c
+++ b/drivers/net/wireless/ath/ath9k/ar9003_phy.c
@@ -664,6 +664,19 @@ static void ar9003_hw_override_ini(struct ath_hw *ah)
ah->enabled_cals |= TX_CL_CAL;
else
ah->enabled_cals &= ~TX_CL_CAL;
+
+ if (AR_SREV_9340(ah) || AR_SREV_9531(ah) || AR_SREV_9550(ah)) {
+ if (ah->is_clk_25mhz) {
+ REG_WRITE(ah, AR_RTC_DERIVED_CLK, 0x17c << 1);
+ REG_WRITE(ah, AR_SLP32_MODE, 0x0010f3d7);
+ REG_WRITE(ah, AR_SLP32_INC, 0x0001e7ae);
+ } else {
+ REG_WRITE(ah, AR_RTC_DERIVED_CLK, 0x261 << 1);
+ REG_WRITE(ah, AR_SLP32_MODE, 0x0010f400);
+ REG_WRITE(ah, AR_SLP32_INC, 0x0001e800);
+ }
+ udelay(100);
+ }
}
static void ar9003_hw_prog_ini(struct ath_hw *ah,
diff --git a/drivers/net/wireless/ath/ath9k/hw.c b/drivers/net/wireless/ath/ath9k/hw.c
index 8be4b1453394..2ad605760e21 100644
--- a/drivers/net/wireless/ath/ath9k/hw.c
+++ b/drivers/net/wireless/ath/ath9k/hw.c
@@ -861,19 +861,6 @@ static void ath9k_hw_init_pll(struct ath_hw *ah,
udelay(RTC_PLL_SETTLE_DELAY);
REG_WRITE(ah, AR_RTC_SLEEP_CLK, AR_RTC_FORCE_DERIVED_CLK);
-
- if (AR_SREV_9340(ah) || AR_SREV_9550(ah)) {
- if (ah->is_clk_25mhz) {
- REG_WRITE(ah, AR_RTC_DERIVED_CLK, 0x17c << 1);
- REG_WRITE(ah, AR_SLP32_MODE, 0x0010f3d7);
- REG_WRITE(ah, AR_SLP32_INC, 0x0001e7ae);
- } else {
- REG_WRITE(ah, AR_RTC_DERIVED_CLK, 0x261 << 1);
- REG_WRITE(ah, AR_SLP32_MODE, 0x0010f400);
- REG_WRITE(ah, AR_SLP32_INC, 0x0001e800);
- }
- udelay(100);
- }
}
static void ath9k_hw_init_interrupt_masks(struct ath_hw *ah,
diff --git a/drivers/net/wireless/ath/ath9k/main.c b/drivers/net/wireless/ath/ath9k/main.c
index 30c66dfcd7a0..4f18a6be0c7d 100644
--- a/drivers/net/wireless/ath/ath9k/main.c
+++ b/drivers/net/wireless/ath/ath9k/main.c
@@ -974,9 +974,8 @@ void ath9k_calculate_iter_data(struct ath_softc *sc,
struct ath_vif *avp;
/*
- * Pick the MAC address of the first interface as the new hardware
- * MAC address. The hardware will use it together with the BSSID mask
- * when matching addresses.
+ * The hardware will use primary station addr together with the
+ * BSSID mask when matching addresses.
*/
memset(iter_data, 0, sizeof(*iter_data));
memset(&iter_data->mask, 0xff, ETH_ALEN);
@@ -1205,6 +1204,8 @@ static int ath9k_add_interface(struct ieee80211_hw *hw,
list_add_tail(&avp->list, &avp->chanctx->vifs);
}
+ ath9k_calculate_summary_state(sc, avp->chanctx);
+
ath9k_assign_hw_queues(hw, vif);
an->sc = sc;
@@ -1274,6 +1275,8 @@ static void ath9k_remove_interface(struct ieee80211_hw *hw,
ath_tx_node_cleanup(sc, &avp->mcast_node);
+ ath9k_calculate_summary_state(sc, avp->chanctx);
+
mutex_unlock(&sc->mutex);
}
diff --git a/drivers/net/wireless/b43/phy_common.c b/drivers/net/wireless/b43/phy_common.c
index 1dfc682a8055..ee27b06074e1 100644
--- a/drivers/net/wireless/b43/phy_common.c
+++ b/drivers/net/wireless/b43/phy_common.c
@@ -300,9 +300,7 @@ void b43_phy_write(struct b43_wldev *dev, u16 reg, u16 value)
void b43_phy_copy(struct b43_wldev *dev, u16 destreg, u16 srcreg)
{
- assert_mac_suspended(dev);
- dev->phy.ops->phy_write(dev, destreg,
- dev->phy.ops->phy_read(dev, srcreg));
+ b43_phy_write(dev, destreg, b43_phy_read(dev, srcreg));
}
void b43_phy_mask(struct b43_wldev *dev, u16 offset, u16 mask)
diff --git a/drivers/net/wireless/brcm80211/brcmfmac/of.c b/drivers/net/wireless/brcm80211/brcmfmac/of.c
index f05f5270fec1..927bffd5be64 100644
--- a/drivers/net/wireless/brcm80211/brcmfmac/of.c
+++ b/drivers/net/wireless/brcm80211/brcmfmac/of.c
@@ -40,8 +40,8 @@ void brcmf_of_probe(struct brcmf_sdio_dev *sdiodev)
return;
irq = irq_of_parse_and_map(np, 0);
- if (irq < 0) {
- brcmf_err("interrupt could not be mapped: err=%d\n", irq);
+ if (!irq) {
+ brcmf_err("interrupt could not be mapped\n");
devm_kfree(dev, sdiodev->pdata);
return;
}
diff --git a/drivers/net/wireless/brcm80211/brcmfmac/pcie.c b/drivers/net/wireless/brcm80211/brcmfmac/pcie.c
index 8c0632ec9f7a..16fef3382019 100644
--- a/drivers/net/wireless/brcm80211/brcmfmac/pcie.c
+++ b/drivers/net/wireless/brcm80211/brcmfmac/pcie.c
@@ -19,10 +19,10 @@
#include <linux/pci.h>
#include <linux/vmalloc.h>
#include <linux/delay.h>
-#include <linux/unaligned/access_ok.h>
#include <linux/interrupt.h>
#include <linux/bcma/bcma.h>
#include <linux/sched.h>
+#include <asm/unaligned.h>
#include <soc.h>
#include <chipcommon.h>
diff --git a/drivers/net/wireless/brcm80211/brcmfmac/usb.c b/drivers/net/wireless/brcm80211/brcmfmac/usb.c
index dc135915470d..875d1142c8b0 100644
--- a/drivers/net/wireless/brcm80211/brcmfmac/usb.c
+++ b/drivers/net/wireless/brcm80211/brcmfmac/usb.c
@@ -669,10 +669,12 @@ static int brcmf_usb_dl_cmd(struct brcmf_usbdev_info *devinfo, u8 cmd,
goto finalize;
}
- if (!brcmf_usb_ioctl_resp_wait(devinfo))
+ if (!brcmf_usb_ioctl_resp_wait(devinfo)) {
+ usb_kill_urb(devinfo->ctl_urb);
ret = -ETIMEDOUT;
- else
+ } else {
memcpy(buffer, tmpbuf, buflen);
+ }
finalize:
kfree(tmpbuf);
diff --git a/drivers/net/wireless/brcm80211/brcmfmac/wl_cfg80211.c b/drivers/net/wireless/brcm80211/brcmfmac/wl_cfg80211.c
index 28fa25b509db..39b45c038a93 100644
--- a/drivers/net/wireless/brcm80211/brcmfmac/wl_cfg80211.c
+++ b/drivers/net/wireless/brcm80211/brcmfmac/wl_cfg80211.c
@@ -299,6 +299,7 @@ static u16 chandef_to_chanspec(struct brcmu_d11inf *d11inf,
primary_offset = ch->center_freq1 - ch->chan->center_freq;
switch (ch->width) {
case NL80211_CHAN_WIDTH_20:
+ case NL80211_CHAN_WIDTH_20_NOHT:
ch_inf.bw = BRCMU_CHAN_BW_20;
WARN_ON(primary_offset != 0);
break;
@@ -323,6 +324,10 @@ static u16 chandef_to_chanspec(struct brcmu_d11inf *d11inf,
ch_inf.sb = BRCMU_CHAN_SB_LU;
}
break;
+ case NL80211_CHAN_WIDTH_80P80:
+ case NL80211_CHAN_WIDTH_160:
+ case NL80211_CHAN_WIDTH_5:
+ case NL80211_CHAN_WIDTH_10:
default:
WARN_ON_ONCE(1);
}
@@ -333,6 +338,7 @@ static u16 chandef_to_chanspec(struct brcmu_d11inf *d11inf,
case IEEE80211_BAND_5GHZ:
ch_inf.band = BRCMU_CHAN_BAND_5G;
break;
+ case IEEE80211_BAND_60GHZ:
default:
WARN_ON_ONCE(1);
}
diff --git a/drivers/net/wireless/iwlwifi/mvm/scan.c b/drivers/net/wireless/iwlwifi/mvm/scan.c
index b280d5d87127..7554f7053830 100644
--- a/drivers/net/wireless/iwlwifi/mvm/scan.c
+++ b/drivers/net/wireless/iwlwifi/mvm/scan.c
@@ -602,16 +602,6 @@ static int iwl_mvm_cancel_regular_scan(struct iwl_mvm *mvm)
SCAN_COMPLETE_NOTIFICATION };
int ret;
- if (mvm->scan_status == IWL_MVM_SCAN_NONE)
- return 0;
-
- if (iwl_mvm_is_radio_killed(mvm)) {
- ieee80211_scan_completed(mvm->hw, true);
- iwl_mvm_unref(mvm, IWL_MVM_REF_SCAN);
- mvm->scan_status = IWL_MVM_SCAN_NONE;
- return 0;
- }
-
iwl_init_notification_wait(&mvm->notif_wait, &wait_scan_abort,
scan_abort_notif,
ARRAY_SIZE(scan_abort_notif),
@@ -1400,6 +1390,16 @@ int iwl_mvm_unified_sched_scan_lmac(struct iwl_mvm *mvm,
int iwl_mvm_cancel_scan(struct iwl_mvm *mvm)
{
+ if (mvm->scan_status == IWL_MVM_SCAN_NONE)
+ return 0;
+
+ if (iwl_mvm_is_radio_killed(mvm)) {
+ ieee80211_scan_completed(mvm->hw, true);
+ iwl_mvm_unref(mvm, IWL_MVM_REF_SCAN);
+ mvm->scan_status = IWL_MVM_SCAN_NONE;
+ return 0;
+ }
+
if (mvm->fw->ucode_capa.api[0] & IWL_UCODE_TLV_API_LMAC_SCAN)
return iwl_mvm_scan_offload_stop(mvm, true);
return iwl_mvm_cancel_regular_scan(mvm);
diff --git a/drivers/net/wireless/iwlwifi/pcie/trans.c b/drivers/net/wireless/iwlwifi/pcie/trans.c
index 160c3ebc48d0..dd2f3f8baa9d 100644
--- a/drivers/net/wireless/iwlwifi/pcie/trans.c
+++ b/drivers/net/wireless/iwlwifi/pcie/trans.c
@@ -1894,8 +1894,7 @@ static u32 iwl_trans_pcie_dump_prph(struct iwl_trans *trans,
int reg;
__le32 *val;
- prph_len += sizeof(*data) + sizeof(*prph) +
- num_bytes_in_chunk;
+ prph_len += sizeof(**data) + sizeof(*prph) + num_bytes_in_chunk;
(*data)->type = cpu_to_le32(IWL_FW_ERROR_DUMP_PRPH);
(*data)->len = cpu_to_le32(sizeof(*prph) +
diff --git a/drivers/net/wireless/rt2x00/rt2x00queue.c b/drivers/net/wireless/rt2x00/rt2x00queue.c
index 8e68f87ab13c..66ff36447b94 100644
--- a/drivers/net/wireless/rt2x00/rt2x00queue.c
+++ b/drivers/net/wireless/rt2x00/rt2x00queue.c
@@ -158,55 +158,29 @@ void rt2x00queue_align_frame(struct sk_buff *skb)
skb_trim(skb, frame_length);
}
-void rt2x00queue_insert_l2pad(struct sk_buff *skb, unsigned int header_length)
+/*
+ * H/W needs L2 padding between the header and the paylod if header size
+ * is not 4 bytes aligned.
+ */
+void rt2x00queue_insert_l2pad(struct sk_buff *skb, unsigned int hdr_len)
{
- unsigned int payload_length = skb->len - header_length;
- unsigned int header_align = ALIGN_SIZE(skb, 0);
- unsigned int payload_align = ALIGN_SIZE(skb, header_length);
- unsigned int l2pad = payload_length ? L2PAD_SIZE(header_length) : 0;
+ unsigned int l2pad = (skb->len > hdr_len) ? L2PAD_SIZE(hdr_len) : 0;
- /*
- * Adjust the header alignment if the payload needs to be moved more
- * than the header.
- */
- if (payload_align > header_align)
- header_align += 4;
-
- /* There is nothing to do if no alignment is needed */
- if (!header_align)
+ if (!l2pad)
return;
- /* Reserve the amount of space needed in front of the frame */
- skb_push(skb, header_align);
-
- /*
- * Move the header.
- */
- memmove(skb->data, skb->data + header_align, header_length);
-
- /* Move the payload, if present and if required */
- if (payload_length && payload_align)
- memmove(skb->data + header_length + l2pad,
- skb->data + header_length + l2pad + payload_align,
- payload_length);
-
- /* Trim the skb to the correct size */
- skb_trim(skb, header_length + l2pad + payload_length);
+ skb_push(skb, l2pad);
+ memmove(skb->data, skb->data + l2pad, hdr_len);
}
-void rt2x00queue_remove_l2pad(struct sk_buff *skb, unsigned int header_length)
+void rt2x00queue_remove_l2pad(struct sk_buff *skb, unsigned int hdr_len)
{
- /*
- * L2 padding is only present if the skb contains more than just the
- * IEEE 802.11 header.
- */
- unsigned int l2pad = (skb->len > header_length) ?
- L2PAD_SIZE(header_length) : 0;
+ unsigned int l2pad = (skb->len > hdr_len) ? L2PAD_SIZE(hdr_len) : 0;
if (!l2pad)
return;
- memmove(skb->data + l2pad, skb->data, header_length);
+ memmove(skb->data + l2pad, skb->data, hdr_len);
skb_pull(skb, l2pad);
}
diff --git a/drivers/net/wireless/rtlwifi/pci.c b/drivers/net/wireless/rtlwifi/pci.c
index 25daa8715219..61f5d36eca6a 100644
--- a/drivers/net/wireless/rtlwifi/pci.c
+++ b/drivers/net/wireless/rtlwifi/pci.c
@@ -842,7 +842,8 @@ static void _rtl_pci_rx_interrupt(struct ieee80211_hw *hw)
break;
}
/* handle command packet here */
- if (rtlpriv->cfg->ops->rx_command_packet(hw, stats, skb)) {
+ if (rtlpriv->cfg->ops->rx_command_packet &&
+ rtlpriv->cfg->ops->rx_command_packet(hw, stats, skb)) {
dev_kfree_skb_any(skb);
goto end;
}
@@ -1127,9 +1128,14 @@ static void _rtl_pci_prepare_bcn_tasklet(struct ieee80211_hw *hw)
__skb_queue_tail(&ring->queue, pskb);
- rtlpriv->cfg->ops->set_desc(hw, (u8 *)pdesc, true, HW_DESC_OWN,
- &temp_one);
-
+ if (rtlpriv->use_new_trx_flow) {
+ temp_one = 4;
+ rtlpriv->cfg->ops->set_desc(hw, (u8 *)pbuffer_desc, true,
+ HW_DESC_OWN, (u8 *)&temp_one);
+ } else {
+ rtlpriv->cfg->ops->set_desc(hw, (u8 *)pdesc, true, HW_DESC_OWN,
+ &temp_one);
+ }
return;
}
@@ -1370,9 +1376,9 @@ static void _rtl_pci_free_tx_ring(struct ieee80211_hw *hw,
ring->desc = NULL;
if (rtlpriv->use_new_trx_flow) {
pci_free_consistent(rtlpci->pdev,
- sizeof(*ring->desc) * ring->entries,
+ sizeof(*ring->buffer_desc) * ring->entries,
ring->buffer_desc, ring->buffer_desc_dma);
- ring->desc = NULL;
+ ring->buffer_desc = NULL;
}
}
@@ -1543,7 +1549,6 @@ int rtl_pci_reset_trx_ring(struct ieee80211_hw *hw)
true,
HW_DESC_TXBUFF_ADDR),
skb->len, PCI_DMA_TODEVICE);
- ring->idx = (ring->idx + 1) % ring->entries;
kfree_skb(skb);
ring->idx = (ring->idx + 1) % ring->entries;
}
diff --git a/drivers/net/wireless/rtlwifi/rtl8192se/hw.c b/drivers/net/wireless/rtlwifi/rtl8192se/hw.c
index 00e067044c08..5761d5b49e39 100644
--- a/drivers/net/wireless/rtlwifi/rtl8192se/hw.c
+++ b/drivers/net/wireless/rtlwifi/rtl8192se/hw.c
@@ -1201,6 +1201,9 @@ static int _rtl92se_set_media_status(struct ieee80211_hw *hw,
}
+ if (type != NL80211_IFTYPE_AP &&
+ rtlpriv->mac80211.link_state < MAC80211_LINKED)
+ bt_msr = rtl_read_byte(rtlpriv, MSR) & ~MSR_LINK_MASK;
rtl_write_byte(rtlpriv, (MSR), bt_msr);
temp = rtl_read_dword(rtlpriv, TCR);
@@ -1262,6 +1265,7 @@ void rtl92se_enable_interrupt(struct ieee80211_hw *hw)
rtl_write_dword(rtlpriv, INTA_MASK, rtlpci->irq_mask[0]);
/* Support Bit 32-37(Assign as Bit 0-5) interrupt setting now */
rtl_write_dword(rtlpriv, INTA_MASK + 4, rtlpci->irq_mask[1] & 0x3F);
+ rtlpci->irq_enabled = true;
}
void rtl92se_disable_interrupt(struct ieee80211_hw *hw)
@@ -1276,8 +1280,7 @@ void rtl92se_disable_interrupt(struct ieee80211_hw *hw)
rtlpci = rtl_pcidev(rtl_pcipriv(hw));
rtl_write_dword(rtlpriv, INTA_MASK, 0);
rtl_write_dword(rtlpriv, INTA_MASK + 4, 0);
-
- synchronize_irq(rtlpci->pdev->irq);
+ rtlpci->irq_enabled = false;
}
static u8 _rtl92s_set_sysclk(struct ieee80211_hw *hw, u8 data)
diff --git a/drivers/net/wireless/rtlwifi/rtl8192se/phy.c b/drivers/net/wireless/rtlwifi/rtl8192se/phy.c
index 77c5b5f35244..4b4612fe2fdb 100644
--- a/drivers/net/wireless/rtlwifi/rtl8192se/phy.c
+++ b/drivers/net/wireless/rtlwifi/rtl8192se/phy.c
@@ -399,6 +399,8 @@ static bool _rtl92s_phy_sw_chnl_step_by_step(struct ieee80211_hw *hw,
case 2:
currentcmd = &postcommoncmd[*step];
break;
+ default:
+ return true;
}
if (currentcmd->cmdid == CMDID_END) {
diff --git a/drivers/net/wireless/rtlwifi/rtl8192se/sw.c b/drivers/net/wireless/rtlwifi/rtl8192se/sw.c
index aadba29c167a..fb003868bdef 100644
--- a/drivers/net/wireless/rtlwifi/rtl8192se/sw.c
+++ b/drivers/net/wireless/rtlwifi/rtl8192se/sw.c
@@ -236,6 +236,19 @@ static void rtl92s_deinit_sw_vars(struct ieee80211_hw *hw)
}
}
+static bool rtl92se_is_tx_desc_closed(struct ieee80211_hw *hw, u8 hw_queue,
+ u16 index)
+{
+ struct rtl_pci *rtlpci = rtl_pcidev(rtl_pcipriv(hw));
+ struct rtl8192_tx_ring *ring = &rtlpci->tx_ring[hw_queue];
+ u8 *entry = (u8 *)(&ring->desc[ring->idx]);
+ u8 own = (u8)rtl92se_get_desc(entry, true, HW_DESC_OWN);
+
+ if (own)
+ return false;
+ return true;
+}
+
static struct rtl_hal_ops rtl8192se_hal_ops = {
.init_sw_vars = rtl92s_init_sw_vars,
.deinit_sw_vars = rtl92s_deinit_sw_vars,
@@ -269,6 +282,7 @@ static struct rtl_hal_ops rtl8192se_hal_ops = {
.led_control = rtl92se_led_control,
.set_desc = rtl92se_set_desc,
.get_desc = rtl92se_get_desc,
+ .is_tx_desc_closed = rtl92se_is_tx_desc_closed,
.tx_polling = rtl92se_tx_polling,
.enable_hw_sec = rtl92se_enable_hw_security_config,
.set_key = rtl92se_set_key,
@@ -306,6 +320,8 @@ static struct rtl_hal_cfg rtl92se_hal_cfg = {
.maps[MAC_RCR_ACRC32] = RCR_ACRC32,
.maps[MAC_RCR_ACF] = RCR_ACF,
.maps[MAC_RCR_AAP] = RCR_AAP,
+ .maps[MAC_HIMR] = INTA_MASK,
+ .maps[MAC_HIMRE] = INTA_MASK + 4,
.maps[EFUSE_TEST] = REG_EFUSE_TEST,
.maps[EFUSE_CTRL] = REG_EFUSE_CTRL,
diff --git a/drivers/of/address.c b/drivers/of/address.c
index afdb78299f61..06af494184d6 100644
--- a/drivers/of/address.c
+++ b/drivers/of/address.c
@@ -450,6 +450,21 @@ static struct of_bus *of_match_bus(struct device_node *np)
return NULL;
}
+static int of_empty_ranges_quirk(void)
+{
+ if (IS_ENABLED(CONFIG_PPC)) {
+ /* To save cycles, we cache the result */
+ static int quirk_state = -1;
+
+ if (quirk_state < 0)
+ quirk_state =
+ of_machine_is_compatible("Power Macintosh") ||
+ of_machine_is_compatible("MacRISC");
+ return quirk_state;
+ }
+ return false;
+}
+
static int of_translate_one(struct device_node *parent, struct of_bus *bus,
struct of_bus *pbus, __be32 *addr,
int na, int ns, int pna, const char *rprop)
@@ -475,12 +490,10 @@ static int of_translate_one(struct device_node *parent, struct of_bus *bus,
* This code is only enabled on powerpc. --gcl
*/
ranges = of_get_property(parent, rprop, &rlen);
-#if !defined(CONFIG_PPC)
- if (ranges == NULL) {
+ if (ranges == NULL && !of_empty_ranges_quirk()) {
pr_err("OF: no ranges; cannot translate\n");
return 1;
}
-#endif /* !defined(CONFIG_PPC) */
if (ranges == NULL || rlen == 0) {
offset = of_read_number(addr, na);
memset(addr, 0, pna * 4);
diff --git a/drivers/of/dynamic.c b/drivers/of/dynamic.c
index f297891d8529..d4994177dec2 100644
--- a/drivers/of/dynamic.c
+++ b/drivers/of/dynamic.c
@@ -247,7 +247,7 @@ void of_node_release(struct kobject *kobj)
* @allocflags: Allocation flags (typically pass GFP_KERNEL)
*
* Copy a property by dynamically allocating the memory of both the
- * property stucture and the property name & contents. The property's
+ * property structure and the property name & contents. The property's
* flags have the OF_DYNAMIC bit set so that we can differentiate between
* dynamically allocated properties and not.
* Returns the newly allocated property or NULL on out of memory error.
diff --git a/drivers/of/fdt.c b/drivers/of/fdt.c
index d1ffca8b34ea..30e97bcc4f88 100644
--- a/drivers/of/fdt.c
+++ b/drivers/of/fdt.c
@@ -773,7 +773,7 @@ int __init early_init_dt_scan_chosen_serial(void)
if (offset < 0)
return -ENODEV;
- while (match->compatible) {
+ while (match->compatible[0]) {
unsigned long addr;
if (fdt_node_check_compatible(fdt, offset, match->compatible)) {
match++;
diff --git a/drivers/of/selftest.c b/drivers/of/selftest.c
index 11b873c54a77..e2d79afa9dc6 100644
--- a/drivers/of/selftest.c
+++ b/drivers/of/selftest.c
@@ -896,10 +896,14 @@ static void selftest_data_remove(void)
return;
}
- while (last_node_index >= 0) {
+ while (last_node_index-- > 0) {
if (nodes[last_node_index]) {
np = of_find_node_by_path(nodes[last_node_index]->full_name);
- if (strcmp(np->full_name, "/aliases") != 0) {
+ if (np == nodes[last_node_index]) {
+ if (of_aliases == np) {
+ of_node_put(of_aliases);
+ of_aliases = NULL;
+ }
detach_node_and_children(np);
} else {
for_each_property_of_node(np, prop) {
@@ -908,7 +912,6 @@ static void selftest_data_remove(void)
}
}
}
- last_node_index--;
}
}
@@ -921,6 +924,8 @@ static int __init of_selftest(void)
res = selftest_data_add();
if (res)
return res;
+ if (!of_aliases)
+ of_aliases = of_find_node_by_path("/aliases");
np = of_find_node_by_path("/testcase-data/phandle-tests/consumer-a");
if (!np) {
diff --git a/drivers/pci/access.c b/drivers/pci/access.c
index d292d7cb3417..49dd766852ba 100644
--- a/drivers/pci/access.c
+++ b/drivers/pci/access.c
@@ -444,7 +444,7 @@ static inline int pcie_cap_version(const struct pci_dev *dev)
return pcie_caps_reg(dev) & PCI_EXP_FLAGS_VERS;
}
-static inline bool pcie_cap_has_lnkctl(const struct pci_dev *dev)
+bool pcie_cap_has_lnkctl(const struct pci_dev *dev)
{
int type = pci_pcie_type(dev);
diff --git a/drivers/pci/host/pci-xgene.c b/drivers/pci/host/pci-xgene.c
index 9ecabfa8c634..2988fe136c1e 100644
--- a/drivers/pci/host/pci-xgene.c
+++ b/drivers/pci/host/pci-xgene.c
@@ -631,10 +631,15 @@ static int xgene_pcie_probe_bridge(struct platform_device *pdev)
if (ret)
return ret;
- bus = pci_scan_root_bus(&pdev->dev, 0, &xgene_pcie_ops, port, &res);
+ bus = pci_create_root_bus(&pdev->dev, 0,
+ &xgene_pcie_ops, port, &res);
if (!bus)
return -ENOMEM;
+ pci_scan_child_bus(bus);
+ pci_assign_unassigned_bus_resources(bus);
+ pci_bus_add_devices(bus);
+
platform_set_drvdata(pdev, port);
return 0;
}
diff --git a/drivers/pci/pci.h b/drivers/pci/pci.h
index 0601890db22d..4a3902d8e6fe 100644
--- a/drivers/pci/pci.h
+++ b/drivers/pci/pci.h
@@ -6,6 +6,8 @@
extern const unsigned char pcie_link_speed[];
+bool pcie_cap_has_lnkctl(const struct pci_dev *dev);
+
/* Functions internal to the PCI core code */
int pci_create_sysfs_dev_files(struct pci_dev *pdev);
diff --git a/drivers/pci/probe.c b/drivers/pci/probe.c
index 5ed99309c758..c8ca98c2b480 100644
--- a/drivers/pci/probe.c
+++ b/drivers/pci/probe.c
@@ -407,15 +407,16 @@ static void pci_read_bridge_mmio_pref(struct pci_bus *child)
{
struct pci_dev *dev = child->self;
u16 mem_base_lo, mem_limit_lo;
- unsigned long base, limit;
+ u64 base64, limit64;
+ dma_addr_t base, limit;
struct pci_bus_region region;
struct resource *res;
res = child->resource[2];
pci_read_config_word(dev, PCI_PREF_MEMORY_BASE, &mem_base_lo);
pci_read_config_word(dev, PCI_PREF_MEMORY_LIMIT, &mem_limit_lo);
- base = ((unsigned long) mem_base_lo & PCI_PREF_RANGE_MASK) << 16;
- limit = ((unsigned long) mem_limit_lo & PCI_PREF_RANGE_MASK) << 16;
+ base64 = (mem_base_lo & PCI_PREF_RANGE_MASK) << 16;
+ limit64 = (mem_limit_lo & PCI_PREF_RANGE_MASK) << 16;
if ((mem_base_lo & PCI_PREF_RANGE_TYPE_MASK) == PCI_PREF_RANGE_TYPE_64) {
u32 mem_base_hi, mem_limit_hi;
@@ -429,17 +430,20 @@ static void pci_read_bridge_mmio_pref(struct pci_bus *child)
* this, just assume they are not being used.
*/
if (mem_base_hi <= mem_limit_hi) {
-#if BITS_PER_LONG == 64
- base |= ((unsigned long) mem_base_hi) << 32;
- limit |= ((unsigned long) mem_limit_hi) << 32;
-#else
- if (mem_base_hi || mem_limit_hi) {
- dev_err(&dev->dev, "can't handle 64-bit address space for bridge\n");
- return;
- }
-#endif
+ base64 |= (u64) mem_base_hi << 32;
+ limit64 |= (u64) mem_limit_hi << 32;
}
}
+
+ base = (dma_addr_t) base64;
+ limit = (dma_addr_t) limit64;
+
+ if (base != base64) {
+ dev_err(&dev->dev, "can't handle bridge window above 4GB (bus address %#010llx)\n",
+ (unsigned long long) base64);
+ return;
+ }
+
if (base <= limit) {
res->flags = (mem_base_lo & PCI_PREF_RANGE_TYPE_MASK) |
IORESOURCE_MEM | IORESOURCE_PREFETCH;
@@ -1323,7 +1327,7 @@ static void program_hpp_type2(struct pci_dev *dev, struct hpp_type2 *hpp)
~hpp->pci_exp_devctl_and, hpp->pci_exp_devctl_or);
/* Initialize Link Control Register */
- if (dev->subordinate)
+ if (pcie_cap_has_lnkctl(dev))
pcie_capability_clear_and_set_word(dev, PCI_EXP_LNKCTL,
~hpp->pci_exp_lnkctl_and, hpp->pci_exp_lnkctl_or);
diff --git a/drivers/scsi/cxgbi/cxgb4i/cxgb4i.c b/drivers/scsi/cxgbi/cxgb4i/cxgb4i.c
index 81bb3bd7909d..15081257cfc8 100644
--- a/drivers/scsi/cxgbi/cxgb4i/cxgb4i.c
+++ b/drivers/scsi/cxgbi/cxgb4i/cxgb4i.c
@@ -828,6 +828,8 @@ static void do_act_open_rpl(struct cxgbi_device *cdev, struct sk_buff *skb)
if (status == CPL_ERR_RTX_NEG_ADVICE)
goto rel_skb;
+ module_put(THIS_MODULE);
+
if (status && status != CPL_ERR_TCAM_FULL &&
status != CPL_ERR_CONN_EXIST &&
status != CPL_ERR_ARP_MISS)
diff --git a/drivers/scsi/cxgbi/libcxgbi.c b/drivers/scsi/cxgbi/libcxgbi.c
index 13d869a92248..7da59c38a69e 100644
--- a/drivers/scsi/cxgbi/libcxgbi.c
+++ b/drivers/scsi/cxgbi/libcxgbi.c
@@ -816,7 +816,7 @@ static void cxgbi_inform_iscsi_conn_closing(struct cxgbi_sock *csk)
read_lock_bh(&csk->callback_lock);
if (csk->user_data)
iscsi_conn_failure(csk->user_data,
- ISCSI_ERR_CONN_FAILED);
+ ISCSI_ERR_TCP_CONN_CLOSE);
read_unlock_bh(&csk->callback_lock);
}
}
diff --git a/drivers/target/iscsi/iscsi_target.c b/drivers/target/iscsi/iscsi_target.c
index b19e4329ba00..73e58d22e325 100644
--- a/drivers/target/iscsi/iscsi_target.c
+++ b/drivers/target/iscsi/iscsi_target.c
@@ -3491,7 +3491,7 @@ iscsit_build_sendtargets_response(struct iscsi_cmd *cmd,
len = sprintf(buf, "TargetAddress="
"%s:%hu,%hu",
inaddr_any ? conn->local_ip : np->np_ip,
- inaddr_any ? conn->local_port : np->np_port,
+ np->np_port,
tpg->tpgt);
len += 1;
diff --git a/drivers/target/target_core_pr.c b/drivers/target/target_core_pr.c
index 8c60a1a1ae8d..9f93b8234095 100644
--- a/drivers/target/target_core_pr.c
+++ b/drivers/target/target_core_pr.c
@@ -2738,7 +2738,8 @@ core_scsi3_pro_preempt(struct se_cmd *cmd, int type, int scope, u64 res_key,
struct t10_pr_registration *pr_reg, *pr_reg_tmp, *pr_reg_n, *pr_res_holder;
struct t10_reservation *pr_tmpl = &dev->t10_pr;
u32 pr_res_mapped_lun = 0;
- int all_reg = 0, calling_it_nexus = 0, released_regs = 0;
+ int all_reg = 0, calling_it_nexus = 0;
+ bool sa_res_key_unmatched = sa_res_key != 0;
int prh_type = 0, prh_scope = 0;
if (!se_sess)
@@ -2813,6 +2814,7 @@ core_scsi3_pro_preempt(struct se_cmd *cmd, int type, int scope, u64 res_key,
if (!all_reg) {
if (pr_reg->pr_res_key != sa_res_key)
continue;
+ sa_res_key_unmatched = false;
calling_it_nexus = (pr_reg_n == pr_reg) ? 1 : 0;
pr_reg_nacl = pr_reg->pr_reg_nacl;
@@ -2820,7 +2822,6 @@ core_scsi3_pro_preempt(struct se_cmd *cmd, int type, int scope, u64 res_key,
__core_scsi3_free_registration(dev, pr_reg,
(preempt_type == PREEMPT_AND_ABORT) ? &preempt_and_abort_list :
NULL, calling_it_nexus);
- released_regs++;
} else {
/*
* Case for any existing all registrants type
@@ -2838,6 +2839,7 @@ core_scsi3_pro_preempt(struct se_cmd *cmd, int type, int scope, u64 res_key,
if ((sa_res_key) &&
(pr_reg->pr_res_key != sa_res_key))
continue;
+ sa_res_key_unmatched = false;
calling_it_nexus = (pr_reg_n == pr_reg) ? 1 : 0;
if (calling_it_nexus)
@@ -2848,7 +2850,6 @@ core_scsi3_pro_preempt(struct se_cmd *cmd, int type, int scope, u64 res_key,
__core_scsi3_free_registration(dev, pr_reg,
(preempt_type == PREEMPT_AND_ABORT) ? &preempt_and_abort_list :
NULL, 0);
- released_regs++;
}
if (!calling_it_nexus)
core_scsi3_ua_allocate(pr_reg_nacl,
@@ -2863,7 +2864,7 @@ core_scsi3_pro_preempt(struct se_cmd *cmd, int type, int scope, u64 res_key,
* registered reservation key, then the device server shall
* complete the command with RESERVATION CONFLICT status.
*/
- if (!released_regs) {
+ if (sa_res_key_unmatched) {
spin_unlock(&dev->dev_reservation_lock);
core_scsi3_put_pr_reg(pr_reg_n);
return TCM_RESERVATION_CONFLICT;
diff --git a/drivers/target/target_core_transport.c b/drivers/target/target_core_transport.c
index 9ea0d5f03f7a..be877bf6f730 100644
--- a/drivers/target/target_core_transport.c
+++ b/drivers/target/target_core_transport.c
@@ -2292,7 +2292,7 @@ transport_generic_new_cmd(struct se_cmd *cmd)
* and let it call back once the write buffers are ready.
*/
target_add_to_state_list(cmd);
- if (cmd->data_direction != DMA_TO_DEVICE) {
+ if (cmd->data_direction != DMA_TO_DEVICE || cmd->data_length == 0) {
target_execute_cmd(cmd);
return 0;
}
diff --git a/drivers/vhost/scsi.c b/drivers/vhost/scsi.c
index 69906cacd04f..a17f11850669 100644
--- a/drivers/vhost/scsi.c
+++ b/drivers/vhost/scsi.c
@@ -1312,6 +1312,7 @@ static int
vhost_scsi_set_endpoint(struct vhost_scsi *vs,
struct vhost_scsi_target *t)
{
+ struct se_portal_group *se_tpg;
struct tcm_vhost_tport *tv_tport;
struct tcm_vhost_tpg *tpg;
struct tcm_vhost_tpg **vs_tpg;
@@ -1359,6 +1360,21 @@ vhost_scsi_set_endpoint(struct vhost_scsi *vs,
ret = -EEXIST;
goto out;
}
+ /*
+ * In order to ensure individual vhost-scsi configfs
+ * groups cannot be removed while in use by vhost ioctl,
+ * go ahead and take an explicit se_tpg->tpg_group.cg_item
+ * dependency now.
+ */
+ se_tpg = &tpg->se_tpg;
+ ret = configfs_depend_item(se_tpg->se_tpg_tfo->tf_subsys,
+ &se_tpg->tpg_group.cg_item);
+ if (ret) {
+ pr_warn("configfs_depend_item() failed: %d\n", ret);
+ kfree(vs_tpg);
+ mutex_unlock(&tpg->tv_tpg_mutex);
+ goto out;
+ }
tpg->tv_tpg_vhost_count++;
tpg->vhost_scsi = vs;
vs_tpg[tpg->tport_tpgt] = tpg;
@@ -1401,6 +1417,7 @@ static int
vhost_scsi_clear_endpoint(struct vhost_scsi *vs,
struct vhost_scsi_target *t)
{
+ struct se_portal_group *se_tpg;
struct tcm_vhost_tport *tv_tport;
struct tcm_vhost_tpg *tpg;
struct vhost_virtqueue *vq;
@@ -1449,6 +1466,13 @@ vhost_scsi_clear_endpoint(struct vhost_scsi *vs,
vs->vs_tpg[target] = NULL;
match = true;
mutex_unlock(&tpg->tv_tpg_mutex);
+ /*
+ * Release se_tpg->tpg_group.cg_item configfs dependency now
+ * to allow vhost-scsi WWPN se_tpg->tpg_group shutdown to occur.
+ */
+ se_tpg = &tpg->se_tpg;
+ configfs_undepend_item(se_tpg->se_tpg_tfo->tf_subsys,
+ &se_tpg->tpg_group.cg_item);
}
if (match) {
for (i = 0; i < VHOST_SCSI_MAX_VQ; i++) {
diff --git a/fs/Makefile b/fs/Makefile
index 34a1b9dea6dd..da0bbb456d3f 100644
--- a/fs/Makefile
+++ b/fs/Makefile
@@ -104,7 +104,7 @@ obj-$(CONFIG_QNX6FS_FS) += qnx6/
obj-$(CONFIG_AUTOFS4_FS) += autofs4/
obj-$(CONFIG_ADFS_FS) += adfs/
obj-$(CONFIG_FUSE_FS) += fuse/
-obj-$(CONFIG_OVERLAYFS_FS) += overlayfs/
+obj-$(CONFIG_OVERLAY_FS) += overlayfs/
obj-$(CONFIG_UDF_FS) += udf/
obj-$(CONFIG_SUN_OPENPROMFS) += openpromfs/
obj-$(CONFIG_OMFS_FS) += omfs/
diff --git a/fs/btrfs/ctree.c b/fs/btrfs/ctree.c
index 817234168a7f..14a72ed14ef7 100644
--- a/fs/btrfs/ctree.c
+++ b/fs/btrfs/ctree.c
@@ -80,13 +80,6 @@ noinline void btrfs_clear_path_blocking(struct btrfs_path *p,
{
int i;
-#ifdef CONFIG_DEBUG_LOCK_ALLOC
- /* lockdep really cares that we take all of these spinlocks
- * in the right order. If any of the locks in the path are not
- * currently blocking, it is going to complain. So, make really
- * really sure by forcing the path to blocking before we clear
- * the path blocking.
- */
if (held) {
btrfs_set_lock_blocking_rw(held, held_rw);
if (held_rw == BTRFS_WRITE_LOCK)
@@ -95,7 +88,6 @@ noinline void btrfs_clear_path_blocking(struct btrfs_path *p,
held_rw = BTRFS_READ_LOCK_BLOCKING;
}
btrfs_set_path_blocking(p);
-#endif
for (i = BTRFS_MAX_LEVEL - 1; i >= 0; i--) {
if (p->nodes[i] && p->locks[i]) {
@@ -107,10 +99,8 @@ noinline void btrfs_clear_path_blocking(struct btrfs_path *p,
}
}
-#ifdef CONFIG_DEBUG_LOCK_ALLOC
if (held)
btrfs_clear_lock_blocking_rw(held, held_rw);
-#endif
}
/* this also releases the path */
@@ -2893,7 +2883,7 @@ cow_done:
}
p->locks[level] = BTRFS_WRITE_LOCK;
} else {
- err = btrfs_try_tree_read_lock(b);
+ err = btrfs_tree_read_lock_atomic(b);
if (!err) {
btrfs_set_path_blocking(p);
btrfs_tree_read_lock(b);
@@ -3025,7 +3015,7 @@ again:
}
level = btrfs_header_level(b);
- err = btrfs_try_tree_read_lock(b);
+ err = btrfs_tree_read_lock_atomic(b);
if (!err) {
btrfs_set_path_blocking(p);
btrfs_tree_read_lock(b);
diff --git a/fs/btrfs/ctree.h b/fs/btrfs/ctree.h
index d71915e04e92..e6fbbd74b716 100644
--- a/fs/btrfs/ctree.h
+++ b/fs/btrfs/ctree.h
@@ -4167,7 +4167,12 @@ int btrfs_scrub_progress(struct btrfs_root *root, u64 devid,
/* dev-replace.c */
void btrfs_bio_counter_inc_blocked(struct btrfs_fs_info *fs_info);
void btrfs_bio_counter_inc_noblocked(struct btrfs_fs_info *fs_info);
-void btrfs_bio_counter_dec(struct btrfs_fs_info *fs_info);
+void btrfs_bio_counter_sub(struct btrfs_fs_info *fs_info, s64 amount);
+
+static inline void btrfs_bio_counter_dec(struct btrfs_fs_info *fs_info)
+{
+ btrfs_bio_counter_sub(fs_info, 1);
+}
/* reada.c */
struct reada_control {
diff --git a/fs/btrfs/dev-replace.c b/fs/btrfs/dev-replace.c
index 3fbd0628620b..ca6a3a3b6b6c 100644
--- a/fs/btrfs/dev-replace.c
+++ b/fs/btrfs/dev-replace.c
@@ -316,11 +316,6 @@ int btrfs_dev_replace_start(struct btrfs_root *root,
struct btrfs_device *tgt_device = NULL;
struct btrfs_device *src_device = NULL;
- if (btrfs_fs_incompat(fs_info, RAID56)) {
- btrfs_warn(fs_info, "dev_replace cannot yet handle RAID5/RAID6");
- return -EOPNOTSUPP;
- }
-
switch (args->start.cont_reading_from_srcdev_mode) {
case BTRFS_IOCTL_DEV_REPLACE_CONT_READING_FROM_SRCDEV_MODE_ALWAYS:
case BTRFS_IOCTL_DEV_REPLACE_CONT_READING_FROM_SRCDEV_MODE_AVOID:
@@ -927,9 +922,9 @@ void btrfs_bio_counter_inc_noblocked(struct btrfs_fs_info *fs_info)
percpu_counter_inc(&fs_info->bio_counter);
}
-void btrfs_bio_counter_dec(struct btrfs_fs_info *fs_info)
+void btrfs_bio_counter_sub(struct btrfs_fs_info *fs_info, s64 amount)
{
- percpu_counter_dec(&fs_info->bio_counter);
+ percpu_counter_sub(&fs_info->bio_counter, amount);
if (waitqueue_active(&fs_info->replace_wait))
wake_up(&fs_info->replace_wait);
diff --git a/fs/btrfs/locking.c b/fs/btrfs/locking.c
index 5665d2149249..f8229ef1b46d 100644
--- a/fs/btrfs/locking.c
+++ b/fs/btrfs/locking.c
@@ -128,6 +128,26 @@ again:
}
/*
+ * take a spinning read lock.
+ * returns 1 if we get the read lock and 0 if we don't
+ * this won't wait for blocking writers
+ */
+int btrfs_tree_read_lock_atomic(struct extent_buffer *eb)
+{
+ if (atomic_read(&eb->blocking_writers))
+ return 0;
+
+ read_lock(&eb->lock);
+ if (atomic_read(&eb->blocking_writers)) {
+ read_unlock(&eb->lock);
+ return 0;
+ }
+ atomic_inc(&eb->read_locks);
+ atomic_inc(&eb->spinning_readers);
+ return 1;
+}
+
+/*
* returns 1 if we get the read lock and 0 if we don't
* this won't wait for blocking writers
*/
@@ -158,9 +178,7 @@ int btrfs_try_tree_write_lock(struct extent_buffer *eb)
atomic_read(&eb->blocking_readers))
return 0;
- if (!write_trylock(&eb->lock))
- return 0;
-
+ write_lock(&eb->lock);
if (atomic_read(&eb->blocking_writers) ||
atomic_read(&eb->blocking_readers)) {
write_unlock(&eb->lock);
diff --git a/fs/btrfs/locking.h b/fs/btrfs/locking.h
index b81e0e9a4894..c44a9d5f5362 100644
--- a/fs/btrfs/locking.h
+++ b/fs/btrfs/locking.h
@@ -35,6 +35,8 @@ void btrfs_clear_lock_blocking_rw(struct extent_buffer *eb, int rw);
void btrfs_assert_tree_locked(struct extent_buffer *eb);
int btrfs_try_tree_read_lock(struct extent_buffer *eb);
int btrfs_try_tree_write_lock(struct extent_buffer *eb);
+int btrfs_tree_read_lock_atomic(struct extent_buffer *eb);
+
static inline void btrfs_tree_unlock_rw(struct extent_buffer *eb, int rw)
{
diff --git a/fs/btrfs/raid56.c b/fs/btrfs/raid56.c
index 6a41631cb959..8ab2a17bbba8 100644
--- a/fs/btrfs/raid56.c
+++ b/fs/btrfs/raid56.c
@@ -58,9 +58,23 @@
*/
#define RBIO_CACHE_READY_BIT 3
+/*
+ * bbio and raid_map is managed by the caller, so we shouldn't free
+ * them here. And besides that, all rbios with this flag should not
+ * be cached, because we need raid_map to check the rbios' stripe
+ * is the same or not, but it is very likely that the caller has
+ * free raid_map, so don't cache those rbios.
+ */
+#define RBIO_HOLD_BBIO_MAP_BIT 4
#define RBIO_CACHE_SIZE 1024
+enum btrfs_rbio_ops {
+ BTRFS_RBIO_WRITE = 0,
+ BTRFS_RBIO_READ_REBUILD = 1,
+ BTRFS_RBIO_PARITY_SCRUB = 2,
+};
+
struct btrfs_raid_bio {
struct btrfs_fs_info *fs_info;
struct btrfs_bio *bbio;
@@ -117,13 +131,16 @@ struct btrfs_raid_bio {
/* number of data stripes (no p/q) */
int nr_data;
+ int real_stripes;
+
+ int stripe_npages;
/*
* set if we're doing a parity rebuild
* for a read from higher up, which is handled
* differently from a parity rebuild as part of
* rmw
*/
- int read_rebuild;
+ enum btrfs_rbio_ops operation;
/* first bad stripe */
int faila;
@@ -131,6 +148,7 @@ struct btrfs_raid_bio {
/* second bad stripe (for raid6 use) */
int failb;
+ int scrubp;
/*
* number of pages needed to represent the full
* stripe
@@ -144,8 +162,13 @@ struct btrfs_raid_bio {
*/
int bio_list_bytes;
+ int generic_bio_cnt;
+
atomic_t refs;
+ atomic_t stripes_pending;
+
+ atomic_t error;
/*
* these are two arrays of pointers. We allocate the
* rbio big enough to hold them both and setup their
@@ -162,6 +185,11 @@ struct btrfs_raid_bio {
* here for faster lookup
*/
struct page **bio_pages;
+
+ /*
+ * bitmap to record which horizontal stripe has data
+ */
+ unsigned long *dbitmap;
};
static int __raid56_parity_recover(struct btrfs_raid_bio *rbio);
@@ -176,6 +204,10 @@ static void __free_raid_bio(struct btrfs_raid_bio *rbio);
static void index_rbio_pages(struct btrfs_raid_bio *rbio);
static int alloc_rbio_pages(struct btrfs_raid_bio *rbio);
+static noinline void finish_parity_scrub(struct btrfs_raid_bio *rbio,
+ int need_check);
+static void async_scrub_parity(struct btrfs_raid_bio *rbio);
+
/*
* the stripe hash table is used for locking, and to collect
* bios in hopes of making a full stripe
@@ -324,6 +356,7 @@ static void merge_rbio(struct btrfs_raid_bio *dest,
{
bio_list_merge(&dest->bio_list, &victim->bio_list);
dest->bio_list_bytes += victim->bio_list_bytes;
+ dest->generic_bio_cnt += victim->generic_bio_cnt;
bio_list_init(&victim->bio_list);
}
@@ -577,11 +610,20 @@ static int rbio_can_merge(struct btrfs_raid_bio *last,
cur->raid_map[0])
return 0;
- /* reads can't merge with writes */
- if (last->read_rebuild !=
- cur->read_rebuild) {
+ /* we can't merge with different operations */
+ if (last->operation != cur->operation)
+ return 0;
+ /*
+ * We've need read the full stripe from the drive.
+ * check and repair the parity and write the new results.
+ *
+ * We're not allowed to add any new bios to the
+ * bio list here, anyone else that wants to
+ * change this stripe needs to do their own rmw.
+ */
+ if (last->operation == BTRFS_RBIO_PARITY_SCRUB ||
+ cur->operation == BTRFS_RBIO_PARITY_SCRUB)
return 0;
- }
return 1;
}
@@ -601,7 +643,7 @@ static struct page *rbio_pstripe_page(struct btrfs_raid_bio *rbio, int index)
*/
static struct page *rbio_qstripe_page(struct btrfs_raid_bio *rbio, int index)
{
- if (rbio->nr_data + 1 == rbio->bbio->num_stripes)
+ if (rbio->nr_data + 1 == rbio->real_stripes)
return NULL;
index += ((rbio->nr_data + 1) * rbio->stripe_len) >>
@@ -772,11 +814,14 @@ static noinline void unlock_stripe(struct btrfs_raid_bio *rbio)
spin_unlock(&rbio->bio_list_lock);
spin_unlock_irqrestore(&h->lock, flags);
- if (next->read_rebuild)
+ if (next->operation == BTRFS_RBIO_READ_REBUILD)
async_read_rebuild(next);
- else {
+ else if (next->operation == BTRFS_RBIO_WRITE) {
steal_rbio(rbio, next);
async_rmw_stripe(next);
+ } else if (next->operation == BTRFS_RBIO_PARITY_SCRUB) {
+ steal_rbio(rbio, next);
+ async_scrub_parity(next);
}
goto done_nolock;
@@ -796,6 +841,21 @@ done_nolock:
remove_rbio_from_cache(rbio);
}
+static inline void
+__free_bbio_and_raid_map(struct btrfs_bio *bbio, u64 *raid_map, int need)
+{
+ if (need) {
+ kfree(raid_map);
+ kfree(bbio);
+ }
+}
+
+static inline void free_bbio_and_raid_map(struct btrfs_raid_bio *rbio)
+{
+ __free_bbio_and_raid_map(rbio->bbio, rbio->raid_map,
+ !test_bit(RBIO_HOLD_BBIO_MAP_BIT, &rbio->flags));
+}
+
static void __free_raid_bio(struct btrfs_raid_bio *rbio)
{
int i;
@@ -814,8 +874,9 @@ static void __free_raid_bio(struct btrfs_raid_bio *rbio)
rbio->stripe_pages[i] = NULL;
}
}
- kfree(rbio->raid_map);
- kfree(rbio->bbio);
+
+ free_bbio_and_raid_map(rbio);
+
kfree(rbio);
}
@@ -833,6 +894,10 @@ static void rbio_orig_end_io(struct btrfs_raid_bio *rbio, int err, int uptodate)
{
struct bio *cur = bio_list_get(&rbio->bio_list);
struct bio *next;
+
+ if (rbio->generic_bio_cnt)
+ btrfs_bio_counter_sub(rbio->fs_info, rbio->generic_bio_cnt);
+
free_raid_bio(rbio);
while (cur) {
@@ -858,13 +923,13 @@ static void raid_write_end_io(struct bio *bio, int err)
bio_put(bio);
- if (!atomic_dec_and_test(&rbio->bbio->stripes_pending))
+ if (!atomic_dec_and_test(&rbio->stripes_pending))
return;
err = 0;
/* OK, we have read all the stripes we need to. */
- if (atomic_read(&rbio->bbio->error) > rbio->bbio->max_errors)
+ if (atomic_read(&rbio->error) > rbio->bbio->max_errors)
err = -EIO;
rbio_orig_end_io(rbio, err, 0);
@@ -925,16 +990,16 @@ static struct btrfs_raid_bio *alloc_rbio(struct btrfs_root *root,
{
struct btrfs_raid_bio *rbio;
int nr_data = 0;
- int num_pages = rbio_nr_pages(stripe_len, bbio->num_stripes);
+ int real_stripes = bbio->num_stripes - bbio->num_tgtdevs;
+ int num_pages = rbio_nr_pages(stripe_len, real_stripes);
+ int stripe_npages = DIV_ROUND_UP(stripe_len, PAGE_SIZE);
void *p;
- rbio = kzalloc(sizeof(*rbio) + num_pages * sizeof(struct page *) * 2,
+ rbio = kzalloc(sizeof(*rbio) + num_pages * sizeof(struct page *) * 2 +
+ DIV_ROUND_UP(stripe_npages, BITS_PER_LONG / 8),
GFP_NOFS);
- if (!rbio) {
- kfree(raid_map);
- kfree(bbio);
+ if (!rbio)
return ERR_PTR(-ENOMEM);
- }
bio_list_init(&rbio->bio_list);
INIT_LIST_HEAD(&rbio->plug_list);
@@ -946,9 +1011,13 @@ static struct btrfs_raid_bio *alloc_rbio(struct btrfs_root *root,
rbio->fs_info = root->fs_info;
rbio->stripe_len = stripe_len;
rbio->nr_pages = num_pages;
+ rbio->real_stripes = real_stripes;
+ rbio->stripe_npages = stripe_npages;
rbio->faila = -1;
rbio->failb = -1;
atomic_set(&rbio->refs, 1);
+ atomic_set(&rbio->error, 0);
+ atomic_set(&rbio->stripes_pending, 0);
/*
* the stripe_pages and bio_pages array point to the extra
@@ -957,11 +1026,12 @@ static struct btrfs_raid_bio *alloc_rbio(struct btrfs_root *root,
p = rbio + 1;
rbio->stripe_pages = p;
rbio->bio_pages = p + sizeof(struct page *) * num_pages;
+ rbio->dbitmap = p + sizeof(struct page *) * num_pages * 2;
- if (raid_map[bbio->num_stripes - 1] == RAID6_Q_STRIPE)
- nr_data = bbio->num_stripes - 2;
+ if (raid_map[real_stripes - 1] == RAID6_Q_STRIPE)
+ nr_data = real_stripes - 2;
else
- nr_data = bbio->num_stripes - 1;
+ nr_data = real_stripes - 1;
rbio->nr_data = nr_data;
return rbio;
@@ -1073,7 +1143,7 @@ static int rbio_add_io_page(struct btrfs_raid_bio *rbio,
static void validate_rbio_for_rmw(struct btrfs_raid_bio *rbio)
{
if (rbio->faila >= 0 || rbio->failb >= 0) {
- BUG_ON(rbio->faila == rbio->bbio->num_stripes - 1);
+ BUG_ON(rbio->faila == rbio->real_stripes - 1);
__raid56_parity_recover(rbio);
} else {
finish_rmw(rbio);
@@ -1134,7 +1204,7 @@ static void index_rbio_pages(struct btrfs_raid_bio *rbio)
static noinline void finish_rmw(struct btrfs_raid_bio *rbio)
{
struct btrfs_bio *bbio = rbio->bbio;
- void *pointers[bbio->num_stripes];
+ void *pointers[rbio->real_stripes];
int stripe_len = rbio->stripe_len;
int nr_data = rbio->nr_data;
int stripe;
@@ -1148,11 +1218,11 @@ static noinline void finish_rmw(struct btrfs_raid_bio *rbio)
bio_list_init(&bio_list);
- if (bbio->num_stripes - rbio->nr_data == 1) {
- p_stripe = bbio->num_stripes - 1;
- } else if (bbio->num_stripes - rbio->nr_data == 2) {
- p_stripe = bbio->num_stripes - 2;
- q_stripe = bbio->num_stripes - 1;
+ if (rbio->real_stripes - rbio->nr_data == 1) {
+ p_stripe = rbio->real_stripes - 1;
+ } else if (rbio->real_stripes - rbio->nr_data == 2) {
+ p_stripe = rbio->real_stripes - 2;
+ q_stripe = rbio->real_stripes - 1;
} else {
BUG();
}
@@ -1169,7 +1239,7 @@ static noinline void finish_rmw(struct btrfs_raid_bio *rbio)
set_bit(RBIO_RMW_LOCKED_BIT, &rbio->flags);
spin_unlock_irq(&rbio->bio_list_lock);
- atomic_set(&rbio->bbio->error, 0);
+ atomic_set(&rbio->error, 0);
/*
* now that we've set rmw_locked, run through the
@@ -1209,7 +1279,7 @@ static noinline void finish_rmw(struct btrfs_raid_bio *rbio)
SetPageUptodate(p);
pointers[stripe++] = kmap(p);
- raid6_call.gen_syndrome(bbio->num_stripes, PAGE_SIZE,
+ raid6_call.gen_syndrome(rbio->real_stripes, PAGE_SIZE,
pointers);
} else {
/* raid5 */
@@ -1218,7 +1288,7 @@ static noinline void finish_rmw(struct btrfs_raid_bio *rbio)
}
- for (stripe = 0; stripe < bbio->num_stripes; stripe++)
+ for (stripe = 0; stripe < rbio->real_stripes; stripe++)
kunmap(page_in_rbio(rbio, stripe, pagenr, 0));
}
@@ -1227,7 +1297,7 @@ static noinline void finish_rmw(struct btrfs_raid_bio *rbio)
* higher layers (the bio_list in our rbio) and our p/q. Ignore
* everything else.
*/
- for (stripe = 0; stripe < bbio->num_stripes; stripe++) {
+ for (stripe = 0; stripe < rbio->real_stripes; stripe++) {
for (pagenr = 0; pagenr < pages_per_stripe; pagenr++) {
struct page *page;
if (stripe < rbio->nr_data) {
@@ -1245,8 +1315,34 @@ static noinline void finish_rmw(struct btrfs_raid_bio *rbio)
}
}
- atomic_set(&bbio->stripes_pending, bio_list_size(&bio_list));
- BUG_ON(atomic_read(&bbio->stripes_pending) == 0);
+ if (likely(!bbio->num_tgtdevs))
+ goto write_data;
+
+ for (stripe = 0; stripe < rbio->real_stripes; stripe++) {
+ if (!bbio->tgtdev_map[stripe])
+ continue;
+
+ for (pagenr = 0; pagenr < pages_per_stripe; pagenr++) {
+ struct page *page;
+ if (stripe < rbio->nr_data) {
+ page = page_in_rbio(rbio, stripe, pagenr, 1);
+ if (!page)
+ continue;
+ } else {
+ page = rbio_stripe_page(rbio, stripe, pagenr);
+ }
+
+ ret = rbio_add_io_page(rbio, &bio_list, page,
+ rbio->bbio->tgtdev_map[stripe],
+ pagenr, rbio->stripe_len);
+ if (ret)
+ goto cleanup;
+ }
+ }
+
+write_data:
+ atomic_set(&rbio->stripes_pending, bio_list_size(&bio_list));
+ BUG_ON(atomic_read(&rbio->stripes_pending) == 0);
while (1) {
bio = bio_list_pop(&bio_list);
@@ -1283,7 +1379,8 @@ static int find_bio_stripe(struct btrfs_raid_bio *rbio,
stripe = &rbio->bbio->stripes[i];
stripe_start = stripe->physical;
if (physical >= stripe_start &&
- physical < stripe_start + rbio->stripe_len) {
+ physical < stripe_start + rbio->stripe_len &&
+ bio->bi_bdev == stripe->dev->bdev) {
return i;
}
}
@@ -1331,11 +1428,11 @@ static int fail_rbio_index(struct btrfs_raid_bio *rbio, int failed)
if (rbio->faila == -1) {
/* first failure on this rbio */
rbio->faila = failed;
- atomic_inc(&rbio->bbio->error);
+ atomic_inc(&rbio->error);
} else if (rbio->failb == -1) {
/* second failure on this rbio */
rbio->failb = failed;
- atomic_inc(&rbio->bbio->error);
+ atomic_inc(&rbio->error);
} else {
ret = -EIO;
}
@@ -1394,11 +1491,11 @@ static void raid_rmw_end_io(struct bio *bio, int err)
bio_put(bio);
- if (!atomic_dec_and_test(&rbio->bbio->stripes_pending))
+ if (!atomic_dec_and_test(&rbio->stripes_pending))
return;
err = 0;
- if (atomic_read(&rbio->bbio->error) > rbio->bbio->max_errors)
+ if (atomic_read(&rbio->error) > rbio->bbio->max_errors)
goto cleanup;
/*
@@ -1439,7 +1536,6 @@ static void async_read_rebuild(struct btrfs_raid_bio *rbio)
static int raid56_rmw_stripe(struct btrfs_raid_bio *rbio)
{
int bios_to_read = 0;
- struct btrfs_bio *bbio = rbio->bbio;
struct bio_list bio_list;
int ret;
int nr_pages = DIV_ROUND_UP(rbio->stripe_len, PAGE_CACHE_SIZE);
@@ -1455,7 +1551,7 @@ static int raid56_rmw_stripe(struct btrfs_raid_bio *rbio)
index_rbio_pages(rbio);
- atomic_set(&rbio->bbio->error, 0);
+ atomic_set(&rbio->error, 0);
/*
* build a list of bios to read all the missing parts of this
* stripe
@@ -1503,7 +1599,7 @@ static int raid56_rmw_stripe(struct btrfs_raid_bio *rbio)
* the bbio may be freed once we submit the last bio. Make sure
* not to touch it after that
*/
- atomic_set(&bbio->stripes_pending, bios_to_read);
+ atomic_set(&rbio->stripes_pending, bios_to_read);
while (1) {
bio = bio_list_pop(&bio_list);
if (!bio)
@@ -1686,19 +1782,30 @@ int raid56_parity_write(struct btrfs_root *root, struct bio *bio,
struct btrfs_raid_bio *rbio;
struct btrfs_plug_cb *plug = NULL;
struct blk_plug_cb *cb;
+ int ret;
rbio = alloc_rbio(root, bbio, raid_map, stripe_len);
- if (IS_ERR(rbio))
+ if (IS_ERR(rbio)) {
+ __free_bbio_and_raid_map(bbio, raid_map, 1);
return PTR_ERR(rbio);
+ }
bio_list_add(&rbio->bio_list, bio);
rbio->bio_list_bytes = bio->bi_iter.bi_size;
+ rbio->operation = BTRFS_RBIO_WRITE;
+
+ btrfs_bio_counter_inc_noblocked(root->fs_info);
+ rbio->generic_bio_cnt = 1;
/*
* don't plug on full rbios, just get them out the door
* as quickly as we can
*/
- if (rbio_is_full(rbio))
- return full_stripe_write(rbio);
+ if (rbio_is_full(rbio)) {
+ ret = full_stripe_write(rbio);
+ if (ret)
+ btrfs_bio_counter_dec(root->fs_info);
+ return ret;
+ }
cb = blk_check_plugged(btrfs_raid_unplug, root->fs_info,
sizeof(*plug));
@@ -1709,10 +1816,13 @@ int raid56_parity_write(struct btrfs_root *root, struct bio *bio,
INIT_LIST_HEAD(&plug->rbio_list);
}
list_add_tail(&rbio->plug_list, &plug->rbio_list);
+ ret = 0;
} else {
- return __raid56_parity_write(rbio);
+ ret = __raid56_parity_write(rbio);
+ if (ret)
+ btrfs_bio_counter_dec(root->fs_info);
}
- return 0;
+ return ret;
}
/*
@@ -1730,7 +1840,7 @@ static void __raid_recover_end_io(struct btrfs_raid_bio *rbio)
int err;
int i;
- pointers = kzalloc(rbio->bbio->num_stripes * sizeof(void *),
+ pointers = kzalloc(rbio->real_stripes * sizeof(void *),
GFP_NOFS);
if (!pointers) {
err = -ENOMEM;
@@ -1740,7 +1850,7 @@ static void __raid_recover_end_io(struct btrfs_raid_bio *rbio)
faila = rbio->faila;
failb = rbio->failb;
- if (rbio->read_rebuild) {
+ if (rbio->operation == BTRFS_RBIO_READ_REBUILD) {
spin_lock_irq(&rbio->bio_list_lock);
set_bit(RBIO_RMW_LOCKED_BIT, &rbio->flags);
spin_unlock_irq(&rbio->bio_list_lock);
@@ -1749,15 +1859,23 @@ static void __raid_recover_end_io(struct btrfs_raid_bio *rbio)
index_rbio_pages(rbio);
for (pagenr = 0; pagenr < nr_pages; pagenr++) {
+ /*
+ * Now we just use bitmap to mark the horizontal stripes in
+ * which we have data when doing parity scrub.
+ */
+ if (rbio->operation == BTRFS_RBIO_PARITY_SCRUB &&
+ !test_bit(pagenr, rbio->dbitmap))
+ continue;
+
/* setup our array of pointers with pages
* from each stripe
*/
- for (stripe = 0; stripe < rbio->bbio->num_stripes; stripe++) {
+ for (stripe = 0; stripe < rbio->real_stripes; stripe++) {
/*
* if we're rebuilding a read, we have to use
* pages from the bio list
*/
- if (rbio->read_rebuild &&
+ if (rbio->operation == BTRFS_RBIO_READ_REBUILD &&
(stripe == faila || stripe == failb)) {
page = page_in_rbio(rbio, stripe, pagenr, 0);
} else {
@@ -1767,7 +1885,7 @@ static void __raid_recover_end_io(struct btrfs_raid_bio *rbio)
}
/* all raid6 handling here */
- if (rbio->raid_map[rbio->bbio->num_stripes - 1] ==
+ if (rbio->raid_map[rbio->real_stripes - 1] ==
RAID6_Q_STRIPE) {
/*
@@ -1817,10 +1935,10 @@ static void __raid_recover_end_io(struct btrfs_raid_bio *rbio)
}
if (rbio->raid_map[failb] == RAID5_P_STRIPE) {
- raid6_datap_recov(rbio->bbio->num_stripes,
+ raid6_datap_recov(rbio->real_stripes,
PAGE_SIZE, faila, pointers);
} else {
- raid6_2data_recov(rbio->bbio->num_stripes,
+ raid6_2data_recov(rbio->real_stripes,
PAGE_SIZE, faila, failb,
pointers);
}
@@ -1850,7 +1968,7 @@ pstripe:
* know they can be trusted. If this was a read reconstruction,
* other endio functions will fiddle the uptodate bits
*/
- if (!rbio->read_rebuild) {
+ if (rbio->operation == BTRFS_RBIO_WRITE) {
for (i = 0; i < nr_pages; i++) {
if (faila != -1) {
page = rbio_stripe_page(rbio, faila, i);
@@ -1862,12 +1980,12 @@ pstripe:
}
}
}
- for (stripe = 0; stripe < rbio->bbio->num_stripes; stripe++) {
+ for (stripe = 0; stripe < rbio->real_stripes; stripe++) {
/*
* if we're rebuilding a read, we have to use
* pages from the bio list
*/
- if (rbio->read_rebuild &&
+ if (rbio->operation == BTRFS_RBIO_READ_REBUILD &&
(stripe == faila || stripe == failb)) {
page = page_in_rbio(rbio, stripe, pagenr, 0);
} else {
@@ -1882,9 +2000,9 @@ cleanup:
kfree(pointers);
cleanup_io:
-
- if (rbio->read_rebuild) {
- if (err == 0)
+ if (rbio->operation == BTRFS_RBIO_READ_REBUILD) {
+ if (err == 0 &&
+ !test_bit(RBIO_HOLD_BBIO_MAP_BIT, &rbio->flags))
cache_rbio_pages(rbio);
else
clear_bit(RBIO_CACHE_READY_BIT, &rbio->flags);
@@ -1893,7 +2011,13 @@ cleanup_io:
} else if (err == 0) {
rbio->faila = -1;
rbio->failb = -1;
- finish_rmw(rbio);
+
+ if (rbio->operation == BTRFS_RBIO_WRITE)
+ finish_rmw(rbio);
+ else if (rbio->operation == BTRFS_RBIO_PARITY_SCRUB)
+ finish_parity_scrub(rbio, 0);
+ else
+ BUG();
} else {
rbio_orig_end_io(rbio, err, 0);
}
@@ -1917,10 +2041,10 @@ static void raid_recover_end_io(struct bio *bio, int err)
set_bio_pages_uptodate(bio);
bio_put(bio);
- if (!atomic_dec_and_test(&rbio->bbio->stripes_pending))
+ if (!atomic_dec_and_test(&rbio->stripes_pending))
return;
- if (atomic_read(&rbio->bbio->error) > rbio->bbio->max_errors)
+ if (atomic_read(&rbio->error) > rbio->bbio->max_errors)
rbio_orig_end_io(rbio, -EIO, 0);
else
__raid_recover_end_io(rbio);
@@ -1937,7 +2061,6 @@ static void raid_recover_end_io(struct bio *bio, int err)
static int __raid56_parity_recover(struct btrfs_raid_bio *rbio)
{
int bios_to_read = 0;
- struct btrfs_bio *bbio = rbio->bbio;
struct bio_list bio_list;
int ret;
int nr_pages = DIV_ROUND_UP(rbio->stripe_len, PAGE_CACHE_SIZE);
@@ -1951,16 +2074,16 @@ static int __raid56_parity_recover(struct btrfs_raid_bio *rbio)
if (ret)
goto cleanup;
- atomic_set(&rbio->bbio->error, 0);
+ atomic_set(&rbio->error, 0);
/*
* read everything that hasn't failed. Thanks to the
* stripe cache, it is possible that some or all of these
* pages are going to be uptodate.
*/
- for (stripe = 0; stripe < bbio->num_stripes; stripe++) {
+ for (stripe = 0; stripe < rbio->real_stripes; stripe++) {
if (rbio->faila == stripe || rbio->failb == stripe) {
- atomic_inc(&rbio->bbio->error);
+ atomic_inc(&rbio->error);
continue;
}
@@ -1990,7 +2113,7 @@ static int __raid56_parity_recover(struct btrfs_raid_bio *rbio)
* were up to date, or we might have no bios to read because
* the devices were gone.
*/
- if (atomic_read(&rbio->bbio->error) <= rbio->bbio->max_errors) {
+ if (atomic_read(&rbio->error) <= rbio->bbio->max_errors) {
__raid_recover_end_io(rbio);
goto out;
} else {
@@ -2002,7 +2125,7 @@ static int __raid56_parity_recover(struct btrfs_raid_bio *rbio)
* the bbio may be freed once we submit the last bio. Make sure
* not to touch it after that
*/
- atomic_set(&bbio->stripes_pending, bios_to_read);
+ atomic_set(&rbio->stripes_pending, bios_to_read);
while (1) {
bio = bio_list_pop(&bio_list);
if (!bio)
@@ -2021,7 +2144,7 @@ out:
return 0;
cleanup:
- if (rbio->read_rebuild)
+ if (rbio->operation == BTRFS_RBIO_READ_REBUILD)
rbio_orig_end_io(rbio, -EIO, 0);
return -EIO;
}
@@ -2034,34 +2157,42 @@ cleanup:
*/
int raid56_parity_recover(struct btrfs_root *root, struct bio *bio,
struct btrfs_bio *bbio, u64 *raid_map,
- u64 stripe_len, int mirror_num)
+ u64 stripe_len, int mirror_num, int generic_io)
{
struct btrfs_raid_bio *rbio;
int ret;
rbio = alloc_rbio(root, bbio, raid_map, stripe_len);
- if (IS_ERR(rbio))
+ if (IS_ERR(rbio)) {
+ __free_bbio_and_raid_map(bbio, raid_map, generic_io);
return PTR_ERR(rbio);
+ }
- rbio->read_rebuild = 1;
+ rbio->operation = BTRFS_RBIO_READ_REBUILD;
bio_list_add(&rbio->bio_list, bio);
rbio->bio_list_bytes = bio->bi_iter.bi_size;
rbio->faila = find_logical_bio_stripe(rbio, bio);
if (rbio->faila == -1) {
BUG();
- kfree(raid_map);
- kfree(bbio);
+ __free_bbio_and_raid_map(bbio, raid_map, generic_io);
kfree(rbio);
return -EIO;
}
+ if (generic_io) {
+ btrfs_bio_counter_inc_noblocked(root->fs_info);
+ rbio->generic_bio_cnt = 1;
+ } else {
+ set_bit(RBIO_HOLD_BBIO_MAP_BIT, &rbio->flags);
+ }
+
/*
* reconstruct from the q stripe if they are
* asking for mirror 3
*/
if (mirror_num == 3)
- rbio->failb = bbio->num_stripes - 2;
+ rbio->failb = rbio->real_stripes - 2;
ret = lock_stripe_add(rbio);
@@ -2098,3 +2229,483 @@ static void read_rebuild_work(struct btrfs_work *work)
rbio = container_of(work, struct btrfs_raid_bio, work);
__raid56_parity_recover(rbio);
}
+
+/*
+ * The following code is used to scrub/replace the parity stripe
+ *
+ * Note: We need make sure all the pages that add into the scrub/replace
+ * raid bio are correct and not be changed during the scrub/replace. That
+ * is those pages just hold metadata or file data with checksum.
+ */
+
+struct btrfs_raid_bio *
+raid56_parity_alloc_scrub_rbio(struct btrfs_root *root, struct bio *bio,
+ struct btrfs_bio *bbio, u64 *raid_map,
+ u64 stripe_len, struct btrfs_device *scrub_dev,
+ unsigned long *dbitmap, int stripe_nsectors)
+{
+ struct btrfs_raid_bio *rbio;
+ int i;
+
+ rbio = alloc_rbio(root, bbio, raid_map, stripe_len);
+ if (IS_ERR(rbio))
+ return NULL;
+ bio_list_add(&rbio->bio_list, bio);
+ /*
+ * This is a special bio which is used to hold the completion handler
+ * and make the scrub rbio is similar to the other types
+ */
+ ASSERT(!bio->bi_iter.bi_size);
+ rbio->operation = BTRFS_RBIO_PARITY_SCRUB;
+
+ for (i = 0; i < rbio->real_stripes; i++) {
+ if (bbio->stripes[i].dev == scrub_dev) {
+ rbio->scrubp = i;
+ break;
+ }
+ }
+
+ /* Now we just support the sectorsize equals to page size */
+ ASSERT(root->sectorsize == PAGE_SIZE);
+ ASSERT(rbio->stripe_npages == stripe_nsectors);
+ bitmap_copy(rbio->dbitmap, dbitmap, stripe_nsectors);
+
+ return rbio;
+}
+
+void raid56_parity_add_scrub_pages(struct btrfs_raid_bio *rbio,
+ struct page *page, u64 logical)
+{
+ int stripe_offset;
+ int index;
+
+ ASSERT(logical >= rbio->raid_map[0]);
+ ASSERT(logical + PAGE_SIZE <= rbio->raid_map[0] +
+ rbio->stripe_len * rbio->nr_data);
+ stripe_offset = (int)(logical - rbio->raid_map[0]);
+ index = stripe_offset >> PAGE_CACHE_SHIFT;
+ rbio->bio_pages[index] = page;
+}
+
+/*
+ * We just scrub the parity that we have correct data on the same horizontal,
+ * so we needn't allocate all pages for all the stripes.
+ */
+static int alloc_rbio_essential_pages(struct btrfs_raid_bio *rbio)
+{
+ int i;
+ int bit;
+ int index;
+ struct page *page;
+
+ for_each_set_bit(bit, rbio->dbitmap, rbio->stripe_npages) {
+ for (i = 0; i < rbio->real_stripes; i++) {
+ index = i * rbio->stripe_npages + bit;
+ if (rbio->stripe_pages[index])
+ continue;
+
+ page = alloc_page(GFP_NOFS | __GFP_HIGHMEM);
+ if (!page)
+ return -ENOMEM;
+ rbio->stripe_pages[index] = page;
+ ClearPageUptodate(page);
+ }
+ }
+ return 0;
+}
+
+/*
+ * end io function used by finish_rmw. When we finally
+ * get here, we've written a full stripe
+ */
+static void raid_write_parity_end_io(struct bio *bio, int err)
+{
+ struct btrfs_raid_bio *rbio = bio->bi_private;
+
+ if (err)
+ fail_bio_stripe(rbio, bio);
+
+ bio_put(bio);
+
+ if (!atomic_dec_and_test(&rbio->stripes_pending))
+ return;
+
+ err = 0;
+
+ if (atomic_read(&rbio->error))
+ err = -EIO;
+
+ rbio_orig_end_io(rbio, err, 0);
+}
+
+static noinline void finish_parity_scrub(struct btrfs_raid_bio *rbio,
+ int need_check)
+{
+ struct btrfs_bio *bbio = rbio->bbio;
+ void *pointers[rbio->real_stripes];
+ DECLARE_BITMAP(pbitmap, rbio->stripe_npages);
+ int nr_data = rbio->nr_data;
+ int stripe;
+ int pagenr;
+ int p_stripe = -1;
+ int q_stripe = -1;
+ struct page *p_page = NULL;
+ struct page *q_page = NULL;
+ struct bio_list bio_list;
+ struct bio *bio;
+ int is_replace = 0;
+ int ret;
+
+ bio_list_init(&bio_list);
+
+ if (rbio->real_stripes - rbio->nr_data == 1) {
+ p_stripe = rbio->real_stripes - 1;
+ } else if (rbio->real_stripes - rbio->nr_data == 2) {
+ p_stripe = rbio->real_stripes - 2;
+ q_stripe = rbio->real_stripes - 1;
+ } else {
+ BUG();
+ }
+
+ if (bbio->num_tgtdevs && bbio->tgtdev_map[rbio->scrubp]) {
+ is_replace = 1;
+ bitmap_copy(pbitmap, rbio->dbitmap, rbio->stripe_npages);
+ }
+
+ /*
+ * Because the higher layers(scrubber) are unlikely to
+ * use this area of the disk again soon, so don't cache
+ * it.
+ */
+ clear_bit(RBIO_CACHE_READY_BIT, &rbio->flags);
+
+ if (!need_check)
+ goto writeback;
+
+ p_page = alloc_page(GFP_NOFS | __GFP_HIGHMEM);
+ if (!p_page)
+ goto cleanup;
+ SetPageUptodate(p_page);
+
+ if (q_stripe != -1) {
+ q_page = alloc_page(GFP_NOFS | __GFP_HIGHMEM);
+ if (!q_page) {
+ __free_page(p_page);
+ goto cleanup;
+ }
+ SetPageUptodate(q_page);
+ }
+
+ atomic_set(&rbio->error, 0);
+
+ for_each_set_bit(pagenr, rbio->dbitmap, rbio->stripe_npages) {
+ struct page *p;
+ void *parity;
+ /* first collect one page from each data stripe */
+ for (stripe = 0; stripe < nr_data; stripe++) {
+ p = page_in_rbio(rbio, stripe, pagenr, 0);
+ pointers[stripe] = kmap(p);
+ }
+
+ /* then add the parity stripe */
+ pointers[stripe++] = kmap(p_page);
+
+ if (q_stripe != -1) {
+
+ /*
+ * raid6, add the qstripe and call the
+ * library function to fill in our p/q
+ */
+ pointers[stripe++] = kmap(q_page);
+
+ raid6_call.gen_syndrome(rbio->real_stripes, PAGE_SIZE,
+ pointers);
+ } else {
+ /* raid5 */
+ memcpy(pointers[nr_data], pointers[0], PAGE_SIZE);
+ run_xor(pointers + 1, nr_data - 1, PAGE_CACHE_SIZE);
+ }
+
+ /* Check scrubbing pairty and repair it */
+ p = rbio_stripe_page(rbio, rbio->scrubp, pagenr);
+ parity = kmap(p);
+ if (memcmp(parity, pointers[rbio->scrubp], PAGE_CACHE_SIZE))
+ memcpy(parity, pointers[rbio->scrubp], PAGE_CACHE_SIZE);
+ else
+ /* Parity is right, needn't writeback */
+ bitmap_clear(rbio->dbitmap, pagenr, 1);
+ kunmap(p);
+
+ for (stripe = 0; stripe < rbio->real_stripes; stripe++)
+ kunmap(page_in_rbio(rbio, stripe, pagenr, 0));
+ }
+
+ __free_page(p_page);
+ if (q_page)
+ __free_page(q_page);
+
+writeback:
+ /*
+ * time to start writing. Make bios for everything from the
+ * higher layers (the bio_list in our rbio) and our p/q. Ignore
+ * everything else.
+ */
+ for_each_set_bit(pagenr, rbio->dbitmap, rbio->stripe_npages) {
+ struct page *page;
+
+ page = rbio_stripe_page(rbio, rbio->scrubp, pagenr);
+ ret = rbio_add_io_page(rbio, &bio_list,
+ page, rbio->scrubp, pagenr, rbio->stripe_len);
+ if (ret)
+ goto cleanup;
+ }
+
+ if (!is_replace)
+ goto submit_write;
+
+ for_each_set_bit(pagenr, pbitmap, rbio->stripe_npages) {
+ struct page *page;
+
+ page = rbio_stripe_page(rbio, rbio->scrubp, pagenr);
+ ret = rbio_add_io_page(rbio, &bio_list, page,
+ bbio->tgtdev_map[rbio->scrubp],
+ pagenr, rbio->stripe_len);
+ if (ret)
+ goto cleanup;
+ }
+
+submit_write:
+ nr_data = bio_list_size(&bio_list);
+ if (!nr_data) {
+ /* Every parity is right */
+ rbio_orig_end_io(rbio, 0, 0);
+ return;
+ }
+
+ atomic_set(&rbio->stripes_pending, nr_data);
+
+ while (1) {
+ bio = bio_list_pop(&bio_list);
+ if (!bio)
+ break;
+
+ bio->bi_private = rbio;
+ bio->bi_end_io = raid_write_parity_end_io;
+ BUG_ON(!test_bit(BIO_UPTODATE, &bio->bi_flags));
+ submit_bio(WRITE, bio);
+ }
+ return;
+
+cleanup:
+ rbio_orig_end_io(rbio, -EIO, 0);
+}
+
+static inline int is_data_stripe(struct btrfs_raid_bio *rbio, int stripe)
+{
+ if (stripe >= 0 && stripe < rbio->nr_data)
+ return 1;
+ return 0;
+}
+
+/*
+ * While we're doing the parity check and repair, we could have errors
+ * in reading pages off the disk. This checks for errors and if we're
+ * not able to read the page it'll trigger parity reconstruction. The
+ * parity scrub will be finished after we've reconstructed the failed
+ * stripes
+ */
+static void validate_rbio_for_parity_scrub(struct btrfs_raid_bio *rbio)
+{
+ if (atomic_read(&rbio->error) > rbio->bbio->max_errors)
+ goto cleanup;
+
+ if (rbio->faila >= 0 || rbio->failb >= 0) {
+ int dfail = 0, failp = -1;
+
+ if (is_data_stripe(rbio, rbio->faila))
+ dfail++;
+ else if (is_parity_stripe(rbio->faila))
+ failp = rbio->faila;
+
+ if (is_data_stripe(rbio, rbio->failb))
+ dfail++;
+ else if (is_parity_stripe(rbio->failb))
+ failp = rbio->failb;
+
+ /*
+ * Because we can not use a scrubbing parity to repair
+ * the data, so the capability of the repair is declined.
+ * (In the case of RAID5, we can not repair anything)
+ */
+ if (dfail > rbio->bbio->max_errors - 1)
+ goto cleanup;
+
+ /*
+ * If all data is good, only parity is correctly, just
+ * repair the parity.
+ */
+ if (dfail == 0) {
+ finish_parity_scrub(rbio, 0);
+ return;
+ }
+
+ /*
+ * Here means we got one corrupted data stripe and one
+ * corrupted parity on RAID6, if the corrupted parity
+ * is scrubbing parity, luckly, use the other one to repair
+ * the data, or we can not repair the data stripe.
+ */
+ if (failp != rbio->scrubp)
+ goto cleanup;
+
+ __raid_recover_end_io(rbio);
+ } else {
+ finish_parity_scrub(rbio, 1);
+ }
+ return;
+
+cleanup:
+ rbio_orig_end_io(rbio, -EIO, 0);
+}
+
+/*
+ * end io for the read phase of the rmw cycle. All the bios here are physical
+ * stripe bios we've read from the disk so we can recalculate the parity of the
+ * stripe.
+ *
+ * This will usually kick off finish_rmw once all the bios are read in, but it
+ * may trigger parity reconstruction if we had any errors along the way
+ */
+static void raid56_parity_scrub_end_io(struct bio *bio, int err)
+{
+ struct btrfs_raid_bio *rbio = bio->bi_private;
+
+ if (err)
+ fail_bio_stripe(rbio, bio);
+ else
+ set_bio_pages_uptodate(bio);
+
+ bio_put(bio);
+
+ if (!atomic_dec_and_test(&rbio->stripes_pending))
+ return;
+
+ /*
+ * this will normally call finish_rmw to start our write
+ * but if there are any failed stripes we'll reconstruct
+ * from parity first
+ */
+ validate_rbio_for_parity_scrub(rbio);
+}
+
+static void raid56_parity_scrub_stripe(struct btrfs_raid_bio *rbio)
+{
+ int bios_to_read = 0;
+ struct bio_list bio_list;
+ int ret;
+ int pagenr;
+ int stripe;
+ struct bio *bio;
+
+ ret = alloc_rbio_essential_pages(rbio);
+ if (ret)
+ goto cleanup;
+
+ bio_list_init(&bio_list);
+
+ atomic_set(&rbio->error, 0);
+ /*
+ * build a list of bios to read all the missing parts of this
+ * stripe
+ */
+ for (stripe = 0; stripe < rbio->real_stripes; stripe++) {
+ for_each_set_bit(pagenr, rbio->dbitmap, rbio->stripe_npages) {
+ struct page *page;
+ /*
+ * we want to find all the pages missing from
+ * the rbio and read them from the disk. If
+ * page_in_rbio finds a page in the bio list
+ * we don't need to read it off the stripe.
+ */
+ page = page_in_rbio(rbio, stripe, pagenr, 1);
+ if (page)
+ continue;
+
+ page = rbio_stripe_page(rbio, stripe, pagenr);
+ /*
+ * the bio cache may have handed us an uptodate
+ * page. If so, be happy and use it
+ */
+ if (PageUptodate(page))
+ continue;
+
+ ret = rbio_add_io_page(rbio, &bio_list, page,
+ stripe, pagenr, rbio->stripe_len);
+ if (ret)
+ goto cleanup;
+ }
+ }
+
+ bios_to_read = bio_list_size(&bio_list);
+ if (!bios_to_read) {
+ /*
+ * this can happen if others have merged with
+ * us, it means there is nothing left to read.
+ * But if there are missing devices it may not be
+ * safe to do the full stripe write yet.
+ */
+ goto finish;
+ }
+
+ /*
+ * the bbio may be freed once we submit the last bio. Make sure
+ * not to touch it after that
+ */
+ atomic_set(&rbio->stripes_pending, bios_to_read);
+ while (1) {
+ bio = bio_list_pop(&bio_list);
+ if (!bio)
+ break;
+
+ bio->bi_private = rbio;
+ bio->bi_end_io = raid56_parity_scrub_end_io;
+
+ btrfs_bio_wq_end_io(rbio->fs_info, bio,
+ BTRFS_WQ_ENDIO_RAID56);
+
+ BUG_ON(!test_bit(BIO_UPTODATE, &bio->bi_flags));
+ submit_bio(READ, bio);
+ }
+ /* the actual write will happen once the reads are done */
+ return;
+
+cleanup:
+ rbio_orig_end_io(rbio, -EIO, 0);
+ return;
+
+finish:
+ validate_rbio_for_parity_scrub(rbio);
+}
+
+static void scrub_parity_work(struct btrfs_work *work)
+{
+ struct btrfs_raid_bio *rbio;
+
+ rbio = container_of(work, struct btrfs_raid_bio, work);
+ raid56_parity_scrub_stripe(rbio);
+}
+
+static void async_scrub_parity(struct btrfs_raid_bio *rbio)
+{
+ btrfs_init_work(&rbio->work, btrfs_rmw_helper,
+ scrub_parity_work, NULL, NULL);
+
+ btrfs_queue_work(rbio->fs_info->rmw_workers,
+ &rbio->work);
+}
+
+void raid56_parity_submit_scrub_rbio(struct btrfs_raid_bio *rbio)
+{
+ if (!lock_stripe_add(rbio))
+ async_scrub_parity(rbio);
+}
diff --git a/fs/btrfs/raid56.h b/fs/btrfs/raid56.h
index ea5d73bfdfbe..31d4a157b5e3 100644
--- a/fs/btrfs/raid56.h
+++ b/fs/btrfs/raid56.h
@@ -39,13 +39,25 @@ static inline int nr_data_stripes(struct map_lookup *map)
#define is_parity_stripe(x) (((x) == RAID5_P_STRIPE) || \
((x) == RAID6_Q_STRIPE))
+struct btrfs_raid_bio;
+struct btrfs_device;
+
int raid56_parity_recover(struct btrfs_root *root, struct bio *bio,
- struct btrfs_bio *bbio, u64 *raid_map,
- u64 stripe_len, int mirror_num);
+ struct btrfs_bio *bbio, u64 *raid_map,
+ u64 stripe_len, int mirror_num, int generic_io);
int raid56_parity_write(struct btrfs_root *root, struct bio *bio,
struct btrfs_bio *bbio, u64 *raid_map,
u64 stripe_len);
+struct btrfs_raid_bio *
+raid56_parity_alloc_scrub_rbio(struct btrfs_root *root, struct bio *bio,
+ struct btrfs_bio *bbio, u64 *raid_map,
+ u64 stripe_len, struct btrfs_device *scrub_dev,
+ unsigned long *dbitmap, int stripe_nsectors);
+void raid56_parity_add_scrub_pages(struct btrfs_raid_bio *rbio,
+ struct page *page, u64 logical);
+void raid56_parity_submit_scrub_rbio(struct btrfs_raid_bio *rbio);
+
int btrfs_alloc_stripe_hash_table(struct btrfs_fs_info *info);
void btrfs_free_stripe_hash_table(struct btrfs_fs_info *info);
#endif
diff --git a/fs/btrfs/scrub.c b/fs/btrfs/scrub.c
index 4325bb0111d9..f2bb13a23f86 100644
--- a/fs/btrfs/scrub.c
+++ b/fs/btrfs/scrub.c
@@ -63,10 +63,18 @@ struct scrub_ctx;
*/
#define SCRUB_MAX_PAGES_PER_BLOCK 16 /* 64k per node/leaf/sector */
+struct scrub_recover {
+ atomic_t refs;
+ struct btrfs_bio *bbio;
+ u64 *raid_map;
+ u64 map_length;
+};
+
struct scrub_page {
struct scrub_block *sblock;
struct page *page;
struct btrfs_device *dev;
+ struct list_head list;
u64 flags; /* extent flags */
u64 generation;
u64 logical;
@@ -79,6 +87,8 @@ struct scrub_page {
unsigned int io_error:1;
};
u8 csum[BTRFS_CSUM_SIZE];
+
+ struct scrub_recover *recover;
};
struct scrub_bio {
@@ -105,14 +115,52 @@ struct scrub_block {
atomic_t outstanding_pages;
atomic_t ref_count; /* free mem on transition to zero */
struct scrub_ctx *sctx;
+ struct scrub_parity *sparity;
struct {
unsigned int header_error:1;
unsigned int checksum_error:1;
unsigned int no_io_error_seen:1;
unsigned int generation_error:1; /* also sets header_error */
+
+ /* The following is for the data used to check parity */
+ /* It is for the data with checksum */
+ unsigned int data_corrected:1;
};
};
+/* Used for the chunks with parity stripe such RAID5/6 */
+struct scrub_parity {
+ struct scrub_ctx *sctx;
+
+ struct btrfs_device *scrub_dev;
+
+ u64 logic_start;
+
+ u64 logic_end;
+
+ int nsectors;
+
+ int stripe_len;
+
+ atomic_t ref_count;
+
+ struct list_head spages;
+
+ /* Work of parity check and repair */
+ struct btrfs_work work;
+
+ /* Mark the parity blocks which have data */
+ unsigned long *dbitmap;
+
+ /*
+ * Mark the parity blocks which have data, but errors happen when
+ * read data or check data
+ */
+ unsigned long *ebitmap;
+
+ unsigned long bitmap[0];
+};
+
struct scrub_wr_ctx {
struct scrub_bio *wr_curr_bio;
struct btrfs_device *tgtdev;
@@ -196,7 +244,7 @@ static int scrub_setup_recheck_block(struct scrub_ctx *sctx,
static void scrub_recheck_block(struct btrfs_fs_info *fs_info,
struct scrub_block *sblock, int is_metadata,
int have_csum, u8 *csum, u64 generation,
- u16 csum_size);
+ u16 csum_size, int retry_failed_mirror);
static void scrub_recheck_block_checksum(struct btrfs_fs_info *fs_info,
struct scrub_block *sblock,
int is_metadata, int have_csum,
@@ -218,6 +266,8 @@ static void scrub_block_get(struct scrub_block *sblock);
static void scrub_block_put(struct scrub_block *sblock);
static void scrub_page_get(struct scrub_page *spage);
static void scrub_page_put(struct scrub_page *spage);
+static void scrub_parity_get(struct scrub_parity *sparity);
+static void scrub_parity_put(struct scrub_parity *sparity);
static int scrub_add_page_to_rd_bio(struct scrub_ctx *sctx,
struct scrub_page *spage);
static int scrub_pages(struct scrub_ctx *sctx, u64 logical, u64 len,
@@ -790,6 +840,20 @@ out:
scrub_pending_trans_workers_dec(sctx);
}
+static inline void scrub_get_recover(struct scrub_recover *recover)
+{
+ atomic_inc(&recover->refs);
+}
+
+static inline void scrub_put_recover(struct scrub_recover *recover)
+{
+ if (atomic_dec_and_test(&recover->refs)) {
+ kfree(recover->bbio);
+ kfree(recover->raid_map);
+ kfree(recover);
+ }
+}
+
/*
* scrub_handle_errored_block gets called when either verification of the
* pages failed or the bio failed to read, e.g. with EIO. In the latter
@@ -906,7 +970,7 @@ static int scrub_handle_errored_block(struct scrub_block *sblock_to_check)
/* build and submit the bios for the failed mirror, check checksums */
scrub_recheck_block(fs_info, sblock_bad, is_metadata, have_csum,
- csum, generation, sctx->csum_size);
+ csum, generation, sctx->csum_size, 1);
if (!sblock_bad->header_error && !sblock_bad->checksum_error &&
sblock_bad->no_io_error_seen) {
@@ -920,6 +984,7 @@ static int scrub_handle_errored_block(struct scrub_block *sblock_to_check)
*/
spin_lock(&sctx->stat_lock);
sctx->stat.unverified_errors++;
+ sblock_to_check->data_corrected = 1;
spin_unlock(&sctx->stat_lock);
if (sctx->is_dev_replace)
@@ -1019,7 +1084,7 @@ nodatasum_case:
/* build and submit the bios, check checksums */
scrub_recheck_block(fs_info, sblock_other, is_metadata,
have_csum, csum, generation,
- sctx->csum_size);
+ sctx->csum_size, 0);
if (!sblock_other->header_error &&
!sblock_other->checksum_error &&
@@ -1169,7 +1234,7 @@ nodatasum_case:
*/
scrub_recheck_block(fs_info, sblock_bad,
is_metadata, have_csum, csum,
- generation, sctx->csum_size);
+ generation, sctx->csum_size, 1);
if (!sblock_bad->header_error &&
!sblock_bad->checksum_error &&
sblock_bad->no_io_error_seen)
@@ -1180,6 +1245,7 @@ nodatasum_case:
corrected_error:
spin_lock(&sctx->stat_lock);
sctx->stat.corrected_errors++;
+ sblock_to_check->data_corrected = 1;
spin_unlock(&sctx->stat_lock);
printk_ratelimited_in_rcu(KERN_ERR
"BTRFS: fixed up error at logical %llu on dev %s\n",
@@ -1201,11 +1267,18 @@ out:
mirror_index++) {
struct scrub_block *sblock = sblocks_for_recheck +
mirror_index;
+ struct scrub_recover *recover;
int page_index;
for (page_index = 0; page_index < sblock->page_count;
page_index++) {
sblock->pagev[page_index]->sblock = NULL;
+ recover = sblock->pagev[page_index]->recover;
+ if (recover) {
+ scrub_put_recover(recover);
+ sblock->pagev[page_index]->recover =
+ NULL;
+ }
scrub_page_put(sblock->pagev[page_index]);
}
}
@@ -1215,14 +1288,63 @@ out:
return 0;
}
+static inline int scrub_nr_raid_mirrors(struct btrfs_bio *bbio, u64 *raid_map)
+{
+ if (raid_map) {
+ if (raid_map[bbio->num_stripes - 1] == RAID6_Q_STRIPE)
+ return 3;
+ else
+ return 2;
+ } else {
+ return (int)bbio->num_stripes;
+ }
+}
+
+static inline void scrub_stripe_index_and_offset(u64 logical, u64 *raid_map,
+ u64 mapped_length,
+ int nstripes, int mirror,
+ int *stripe_index,
+ u64 *stripe_offset)
+{
+ int i;
+
+ if (raid_map) {
+ /* RAID5/6 */
+ for (i = 0; i < nstripes; i++) {
+ if (raid_map[i] == RAID6_Q_STRIPE ||
+ raid_map[i] == RAID5_P_STRIPE)
+ continue;
+
+ if (logical >= raid_map[i] &&
+ logical < raid_map[i] + mapped_length)
+ break;
+ }
+
+ *stripe_index = i;
+ *stripe_offset = logical - raid_map[i];
+ } else {
+ /* The other RAID type */
+ *stripe_index = mirror;
+ *stripe_offset = 0;
+ }
+}
+
static int scrub_setup_recheck_block(struct scrub_ctx *sctx,
struct btrfs_fs_info *fs_info,
struct scrub_block *original_sblock,
u64 length, u64 logical,
struct scrub_block *sblocks_for_recheck)
{
+ struct scrub_recover *recover;
+ struct btrfs_bio *bbio;
+ u64 *raid_map;
+ u64 sublen;
+ u64 mapped_length;
+ u64 stripe_offset;
+ int stripe_index;
int page_index;
int mirror_index;
+ int nmirrors;
int ret;
/*
@@ -1233,23 +1355,39 @@ static int scrub_setup_recheck_block(struct scrub_ctx *sctx,
page_index = 0;
while (length > 0) {
- u64 sublen = min_t(u64, length, PAGE_SIZE);
- u64 mapped_length = sublen;
- struct btrfs_bio *bbio = NULL;
+ sublen = min_t(u64, length, PAGE_SIZE);
+ mapped_length = sublen;
+ bbio = NULL;
+ raid_map = NULL;
/*
* with a length of PAGE_SIZE, each returned stripe
* represents one mirror
*/
- ret = btrfs_map_block(fs_info, REQ_GET_READ_MIRRORS, logical,
- &mapped_length, &bbio, 0);
+ ret = btrfs_map_sblock(fs_info, REQ_GET_READ_MIRRORS, logical,
+ &mapped_length, &bbio, 0, &raid_map);
if (ret || !bbio || mapped_length < sublen) {
kfree(bbio);
+ kfree(raid_map);
return -EIO;
}
+ recover = kzalloc(sizeof(struct scrub_recover), GFP_NOFS);
+ if (!recover) {
+ kfree(bbio);
+ kfree(raid_map);
+ return -ENOMEM;
+ }
+
+ atomic_set(&recover->refs, 1);
+ recover->bbio = bbio;
+ recover->raid_map = raid_map;
+ recover->map_length = mapped_length;
+
BUG_ON(page_index >= SCRUB_PAGES_PER_RD_BIO);
- for (mirror_index = 0; mirror_index < (int)bbio->num_stripes;
+
+ nmirrors = scrub_nr_raid_mirrors(bbio, raid_map);
+ for (mirror_index = 0; mirror_index < nmirrors;
mirror_index++) {
struct scrub_block *sblock;
struct scrub_page *page;
@@ -1265,26 +1403,38 @@ leave_nomem:
spin_lock(&sctx->stat_lock);
sctx->stat.malloc_errors++;
spin_unlock(&sctx->stat_lock);
- kfree(bbio);
+ scrub_put_recover(recover);
return -ENOMEM;
}
scrub_page_get(page);
sblock->pagev[page_index] = page;
page->logical = logical;
- page->physical = bbio->stripes[mirror_index].physical;
+
+ scrub_stripe_index_and_offset(logical, raid_map,
+ mapped_length,
+ bbio->num_stripes,
+ mirror_index,
+ &stripe_index,
+ &stripe_offset);
+ page->physical = bbio->stripes[stripe_index].physical +
+ stripe_offset;
+ page->dev = bbio->stripes[stripe_index].dev;
+
BUG_ON(page_index >= original_sblock->page_count);
page->physical_for_dev_replace =
original_sblock->pagev[page_index]->
physical_for_dev_replace;
/* for missing devices, dev->bdev is NULL */
- page->dev = bbio->stripes[mirror_index].dev;
page->mirror_num = mirror_index + 1;
sblock->page_count++;
page->page = alloc_page(GFP_NOFS);
if (!page->page)
goto leave_nomem;
+
+ scrub_get_recover(recover);
+ page->recover = recover;
}
- kfree(bbio);
+ scrub_put_recover(recover);
length -= sublen;
logical += sublen;
page_index++;
@@ -1293,6 +1443,51 @@ leave_nomem:
return 0;
}
+struct scrub_bio_ret {
+ struct completion event;
+ int error;
+};
+
+static void scrub_bio_wait_endio(struct bio *bio, int error)
+{
+ struct scrub_bio_ret *ret = bio->bi_private;
+
+ ret->error = error;
+ complete(&ret->event);
+}
+
+static inline int scrub_is_page_on_raid56(struct scrub_page *page)
+{
+ return page->recover && page->recover->raid_map;
+}
+
+static int scrub_submit_raid56_bio_wait(struct btrfs_fs_info *fs_info,
+ struct bio *bio,
+ struct scrub_page *page)
+{
+ struct scrub_bio_ret done;
+ int ret;
+
+ init_completion(&done.event);
+ done.error = 0;
+ bio->bi_iter.bi_sector = page->logical >> 9;
+ bio->bi_private = &done;
+ bio->bi_end_io = scrub_bio_wait_endio;
+
+ ret = raid56_parity_recover(fs_info->fs_root, bio, page->recover->bbio,
+ page->recover->raid_map,
+ page->recover->map_length,
+ page->mirror_num, 0);
+ if (ret)
+ return ret;
+
+ wait_for_completion(&done.event);
+ if (done.error)
+ return -EIO;
+
+ return 0;
+}
+
/*
* this function will check the on disk data for checksum errors, header
* errors and read I/O errors. If any I/O errors happen, the exact pages
@@ -1303,7 +1498,7 @@ leave_nomem:
static void scrub_recheck_block(struct btrfs_fs_info *fs_info,
struct scrub_block *sblock, int is_metadata,
int have_csum, u8 *csum, u64 generation,
- u16 csum_size)
+ u16 csum_size, int retry_failed_mirror)
{
int page_num;
@@ -1329,11 +1524,17 @@ static void scrub_recheck_block(struct btrfs_fs_info *fs_info,
continue;
}
bio->bi_bdev = page->dev->bdev;
- bio->bi_iter.bi_sector = page->physical >> 9;
bio_add_page(bio, page->page, PAGE_SIZE, 0);
- if (btrfsic_submit_bio_wait(READ, bio))
- sblock->no_io_error_seen = 0;
+ if (!retry_failed_mirror && scrub_is_page_on_raid56(page)) {
+ if (scrub_submit_raid56_bio_wait(fs_info, bio, page))
+ sblock->no_io_error_seen = 0;
+ } else {
+ bio->bi_iter.bi_sector = page->physical >> 9;
+
+ if (btrfsic_submit_bio_wait(READ, bio))
+ sblock->no_io_error_seen = 0;
+ }
bio_put(bio);
}
@@ -1486,6 +1687,13 @@ static void scrub_write_block_to_dev_replace(struct scrub_block *sblock)
{
int page_num;
+ /*
+ * This block is used for the check of the parity on the source device,
+ * so the data needn't be written into the destination device.
+ */
+ if (sblock->sparity)
+ return;
+
for (page_num = 0; page_num < sblock->page_count; page_num++) {
int ret;
@@ -1867,6 +2075,9 @@ static void scrub_block_put(struct scrub_block *sblock)
if (atomic_dec_and_test(&sblock->ref_count)) {
int i;
+ if (sblock->sparity)
+ scrub_parity_put(sblock->sparity);
+
for (i = 0; i < sblock->page_count; i++)
scrub_page_put(sblock->pagev[i]);
kfree(sblock);
@@ -2124,9 +2335,51 @@ static void scrub_bio_end_io_worker(struct btrfs_work *work)
scrub_pending_bio_dec(sctx);
}
+static inline void __scrub_mark_bitmap(struct scrub_parity *sparity,
+ unsigned long *bitmap,
+ u64 start, u64 len)
+{
+ int offset;
+ int nsectors;
+ int sectorsize = sparity->sctx->dev_root->sectorsize;
+
+ if (len >= sparity->stripe_len) {
+ bitmap_set(bitmap, 0, sparity->nsectors);
+ return;
+ }
+
+ start -= sparity->logic_start;
+ offset = (int)do_div(start, sparity->stripe_len);
+ offset /= sectorsize;
+ nsectors = (int)len / sectorsize;
+
+ if (offset + nsectors <= sparity->nsectors) {
+ bitmap_set(bitmap, offset, nsectors);
+ return;
+ }
+
+ bitmap_set(bitmap, offset, sparity->nsectors - offset);
+ bitmap_set(bitmap, 0, nsectors - (sparity->nsectors - offset));
+}
+
+static inline void scrub_parity_mark_sectors_error(struct scrub_parity *sparity,
+ u64 start, u64 len)
+{
+ __scrub_mark_bitmap(sparity, sparity->ebitmap, start, len);
+}
+
+static inline void scrub_parity_mark_sectors_data(struct scrub_parity *sparity,
+ u64 start, u64 len)
+{
+ __scrub_mark_bitmap(sparity, sparity->dbitmap, start, len);
+}
+
static void scrub_block_complete(struct scrub_block *sblock)
{
+ int corrupted = 0;
+
if (!sblock->no_io_error_seen) {
+ corrupted = 1;
scrub_handle_errored_block(sblock);
} else {
/*
@@ -2134,9 +2387,19 @@ static void scrub_block_complete(struct scrub_block *sblock)
* dev replace case, otherwise write here in dev replace
* case.
*/
- if (!scrub_checksum(sblock) && sblock->sctx->is_dev_replace)
+ corrupted = scrub_checksum(sblock);
+ if (!corrupted && sblock->sctx->is_dev_replace)
scrub_write_block_to_dev_replace(sblock);
}
+
+ if (sblock->sparity && corrupted && !sblock->data_corrected) {
+ u64 start = sblock->pagev[0]->logical;
+ u64 end = sblock->pagev[sblock->page_count - 1]->logical +
+ PAGE_SIZE;
+
+ scrub_parity_mark_sectors_error(sblock->sparity,
+ start, end - start);
+ }
}
static int scrub_find_csum(struct scrub_ctx *sctx, u64 logical, u64 len,
@@ -2228,6 +2491,132 @@ behind_scrub_pages:
return 0;
}
+static int scrub_pages_for_parity(struct scrub_parity *sparity,
+ u64 logical, u64 len,
+ u64 physical, struct btrfs_device *dev,
+ u64 flags, u64 gen, int mirror_num, u8 *csum)
+{
+ struct scrub_ctx *sctx = sparity->sctx;
+ struct scrub_block *sblock;
+ int index;
+
+ sblock = kzalloc(sizeof(*sblock), GFP_NOFS);
+ if (!sblock) {
+ spin_lock(&sctx->stat_lock);
+ sctx->stat.malloc_errors++;
+ spin_unlock(&sctx->stat_lock);
+ return -ENOMEM;
+ }
+
+ /* one ref inside this function, plus one for each page added to
+ * a bio later on */
+ atomic_set(&sblock->ref_count, 1);
+ sblock->sctx = sctx;
+ sblock->no_io_error_seen = 1;
+ sblock->sparity = sparity;
+ scrub_parity_get(sparity);
+
+ for (index = 0; len > 0; index++) {
+ struct scrub_page *spage;
+ u64 l = min_t(u64, len, PAGE_SIZE);
+
+ spage = kzalloc(sizeof(*spage), GFP_NOFS);
+ if (!spage) {
+leave_nomem:
+ spin_lock(&sctx->stat_lock);
+ sctx->stat.malloc_errors++;
+ spin_unlock(&sctx->stat_lock);
+ scrub_block_put(sblock);
+ return -ENOMEM;
+ }
+ BUG_ON(index >= SCRUB_MAX_PAGES_PER_BLOCK);
+ /* For scrub block */
+ scrub_page_get(spage);
+ sblock->pagev[index] = spage;
+ /* For scrub parity */
+ scrub_page_get(spage);
+ list_add_tail(&spage->list, &sparity->spages);
+ spage->sblock = sblock;
+ spage->dev = dev;
+ spage->flags = flags;
+ spage->generation = gen;
+ spage->logical = logical;
+ spage->physical = physical;
+ spage->mirror_num = mirror_num;
+ if (csum) {
+ spage->have_csum = 1;
+ memcpy(spage->csum, csum, sctx->csum_size);
+ } else {
+ spage->have_csum = 0;
+ }
+ sblock->page_count++;
+ spage->page = alloc_page(GFP_NOFS);
+ if (!spage->page)
+ goto leave_nomem;
+ len -= l;
+ logical += l;
+ physical += l;
+ }
+
+ WARN_ON(sblock->page_count == 0);
+ for (index = 0; index < sblock->page_count; index++) {
+ struct scrub_page *spage = sblock->pagev[index];
+ int ret;
+
+ ret = scrub_add_page_to_rd_bio(sctx, spage);
+ if (ret) {
+ scrub_block_put(sblock);
+ return ret;
+ }
+ }
+
+ /* last one frees, either here or in bio completion for last page */
+ scrub_block_put(sblock);
+ return 0;
+}
+
+static int scrub_extent_for_parity(struct scrub_parity *sparity,
+ u64 logical, u64 len,
+ u64 physical, struct btrfs_device *dev,
+ u64 flags, u64 gen, int mirror_num)
+{
+ struct scrub_ctx *sctx = sparity->sctx;
+ int ret;
+ u8 csum[BTRFS_CSUM_SIZE];
+ u32 blocksize;
+
+ if (flags & BTRFS_EXTENT_FLAG_DATA) {
+ blocksize = sctx->sectorsize;
+ } else if (flags & BTRFS_EXTENT_FLAG_TREE_BLOCK) {
+ blocksize = sctx->nodesize;
+ } else {
+ blocksize = sctx->sectorsize;
+ WARN_ON(1);
+ }
+
+ while (len) {
+ u64 l = min_t(u64, len, blocksize);
+ int have_csum = 0;
+
+ if (flags & BTRFS_EXTENT_FLAG_DATA) {
+ /* push csums to sbio */
+ have_csum = scrub_find_csum(sctx, logical, l, csum);
+ if (have_csum == 0)
+ goto skip;
+ }
+ ret = scrub_pages_for_parity(sparity, logical, l, physical, dev,
+ flags, gen, mirror_num,
+ have_csum ? csum : NULL);
+skip:
+ if (ret)
+ return ret;
+ len -= l;
+ logical += l;
+ physical += l;
+ }
+ return 0;
+}
+
/*
* Given a physical address, this will calculate it's
* logical offset. if this is a parity stripe, it will return
@@ -2236,7 +2625,8 @@ behind_scrub_pages:
* return 0 if it is a data stripe, 1 means parity stripe.
*/
static int get_raid56_logic_offset(u64 physical, int num,
- struct map_lookup *map, u64 *offset)
+ struct map_lookup *map, u64 *offset,
+ u64 *stripe_start)
{
int i;
int j = 0;
@@ -2247,6 +2637,9 @@ static int get_raid56_logic_offset(u64 physical, int num,
last_offset = (physical - map->stripes[num].physical) *
nr_data_stripes(map);
+ if (stripe_start)
+ *stripe_start = last_offset;
+
*offset = last_offset;
for (i = 0; i < nr_data_stripes(map); i++) {
*offset = last_offset + i * map->stripe_len;
@@ -2269,13 +2662,330 @@ static int get_raid56_logic_offset(u64 physical, int num,
return 1;
}
+static void scrub_free_parity(struct scrub_parity *sparity)
+{
+ struct scrub_ctx *sctx = sparity->sctx;
+ struct scrub_page *curr, *next;
+ int nbits;
+
+ nbits = bitmap_weight(sparity->ebitmap, sparity->nsectors);
+ if (nbits) {
+ spin_lock(&sctx->stat_lock);
+ sctx->stat.read_errors += nbits;
+ sctx->stat.uncorrectable_errors += nbits;
+ spin_unlock(&sctx->stat_lock);
+ }
+
+ list_for_each_entry_safe(curr, next, &sparity->spages, list) {
+ list_del_init(&curr->list);
+ scrub_page_put(curr);
+ }
+
+ kfree(sparity);
+}
+
+static void scrub_parity_bio_endio(struct bio *bio, int error)
+{
+ struct scrub_parity *sparity = (struct scrub_parity *)bio->bi_private;
+ struct scrub_ctx *sctx = sparity->sctx;
+
+ if (error)
+ bitmap_or(sparity->ebitmap, sparity->ebitmap, sparity->dbitmap,
+ sparity->nsectors);
+
+ scrub_free_parity(sparity);
+ scrub_pending_bio_dec(sctx);
+ bio_put(bio);
+}
+
+static void scrub_parity_check_and_repair(struct scrub_parity *sparity)
+{
+ struct scrub_ctx *sctx = sparity->sctx;
+ struct bio *bio;
+ struct btrfs_raid_bio *rbio;
+ struct scrub_page *spage;
+ struct btrfs_bio *bbio = NULL;
+ u64 *raid_map = NULL;
+ u64 length;
+ int ret;
+
+ if (!bitmap_andnot(sparity->dbitmap, sparity->dbitmap, sparity->ebitmap,
+ sparity->nsectors))
+ goto out;
+
+ length = sparity->logic_end - sparity->logic_start + 1;
+ ret = btrfs_map_sblock(sctx->dev_root->fs_info, WRITE,
+ sparity->logic_start,
+ &length, &bbio, 0, &raid_map);
+ if (ret || !bbio || !raid_map)
+ goto bbio_out;
+
+ bio = btrfs_io_bio_alloc(GFP_NOFS, 0);
+ if (!bio)
+ goto bbio_out;
+
+ bio->bi_iter.bi_sector = sparity->logic_start >> 9;
+ bio->bi_private = sparity;
+ bio->bi_end_io = scrub_parity_bio_endio;
+
+ rbio = raid56_parity_alloc_scrub_rbio(sctx->dev_root, bio, bbio,
+ raid_map, length,
+ sparity->scrub_dev,
+ sparity->dbitmap,
+ sparity->nsectors);
+ if (!rbio)
+ goto rbio_out;
+
+ list_for_each_entry(spage, &sparity->spages, list)
+ raid56_parity_add_scrub_pages(rbio, spage->page,
+ spage->logical);
+
+ scrub_pending_bio_inc(sctx);
+ raid56_parity_submit_scrub_rbio(rbio);
+ return;
+
+rbio_out:
+ bio_put(bio);
+bbio_out:
+ kfree(bbio);
+ kfree(raid_map);
+ bitmap_or(sparity->ebitmap, sparity->ebitmap, sparity->dbitmap,
+ sparity->nsectors);
+ spin_lock(&sctx->stat_lock);
+ sctx->stat.malloc_errors++;
+ spin_unlock(&sctx->stat_lock);
+out:
+ scrub_free_parity(sparity);
+}
+
+static inline int scrub_calc_parity_bitmap_len(int nsectors)
+{
+ return DIV_ROUND_UP(nsectors, BITS_PER_LONG) * (BITS_PER_LONG / 8);
+}
+
+static void scrub_parity_get(struct scrub_parity *sparity)
+{
+ atomic_inc(&sparity->ref_count);
+}
+
+static void scrub_parity_put(struct scrub_parity *sparity)
+{
+ if (!atomic_dec_and_test(&sparity->ref_count))
+ return;
+
+ scrub_parity_check_and_repair(sparity);
+}
+
+static noinline_for_stack int scrub_raid56_parity(struct scrub_ctx *sctx,
+ struct map_lookup *map,
+ struct btrfs_device *sdev,
+ struct btrfs_path *path,
+ u64 logic_start,
+ u64 logic_end)
+{
+ struct btrfs_fs_info *fs_info = sctx->dev_root->fs_info;
+ struct btrfs_root *root = fs_info->extent_root;
+ struct btrfs_root *csum_root = fs_info->csum_root;
+ struct btrfs_extent_item *extent;
+ u64 flags;
+ int ret;
+ int slot;
+ struct extent_buffer *l;
+ struct btrfs_key key;
+ u64 generation;
+ u64 extent_logical;
+ u64 extent_physical;
+ u64 extent_len;
+ struct btrfs_device *extent_dev;
+ struct scrub_parity *sparity;
+ int nsectors;
+ int bitmap_len;
+ int extent_mirror_num;
+ int stop_loop = 0;
+
+ nsectors = map->stripe_len / root->sectorsize;
+ bitmap_len = scrub_calc_parity_bitmap_len(nsectors);
+ sparity = kzalloc(sizeof(struct scrub_parity) + 2 * bitmap_len,
+ GFP_NOFS);
+ if (!sparity) {
+ spin_lock(&sctx->stat_lock);
+ sctx->stat.malloc_errors++;
+ spin_unlock(&sctx->stat_lock);
+ return -ENOMEM;
+ }
+
+ sparity->stripe_len = map->stripe_len;
+ sparity->nsectors = nsectors;
+ sparity->sctx = sctx;
+ sparity->scrub_dev = sdev;
+ sparity->logic_start = logic_start;
+ sparity->logic_end = logic_end;
+ atomic_set(&sparity->ref_count, 1);
+ INIT_LIST_HEAD(&sparity->spages);
+ sparity->dbitmap = sparity->bitmap;
+ sparity->ebitmap = (void *)sparity->bitmap + bitmap_len;
+
+ ret = 0;
+ while (logic_start < logic_end) {
+ if (btrfs_fs_incompat(fs_info, SKINNY_METADATA))
+ key.type = BTRFS_METADATA_ITEM_KEY;
+ else
+ key.type = BTRFS_EXTENT_ITEM_KEY;
+ key.objectid = logic_start;
+ key.offset = (u64)-1;
+
+ ret = btrfs_search_slot(NULL, root, &key, path, 0, 0);
+ if (ret < 0)
+ goto out;
+
+ if (ret > 0) {
+ ret = btrfs_previous_extent_item(root, path, 0);
+ if (ret < 0)
+ goto out;
+ if (ret > 0) {
+ btrfs_release_path(path);
+ ret = btrfs_search_slot(NULL, root, &key,
+ path, 0, 0);
+ if (ret < 0)
+ goto out;
+ }
+ }
+
+ stop_loop = 0;
+ while (1) {
+ u64 bytes;
+
+ l = path->nodes[0];
+ slot = path->slots[0];
+ if (slot >= btrfs_header_nritems(l)) {
+ ret = btrfs_next_leaf(root, path);
+ if (ret == 0)
+ continue;
+ if (ret < 0)
+ goto out;
+
+ stop_loop = 1;
+ break;
+ }
+ btrfs_item_key_to_cpu(l, &key, slot);
+
+ if (key.type == BTRFS_METADATA_ITEM_KEY)
+ bytes = root->nodesize;
+ else
+ bytes = key.offset;
+
+ if (key.objectid + bytes <= logic_start)
+ goto next;
+
+ if (key.type != BTRFS_EXTENT_ITEM_KEY &&
+ key.type != BTRFS_METADATA_ITEM_KEY)
+ goto next;
+
+ if (key.objectid > logic_end) {
+ stop_loop = 1;
+ break;
+ }
+
+ while (key.objectid >= logic_start + map->stripe_len)
+ logic_start += map->stripe_len;
+
+ extent = btrfs_item_ptr(l, slot,
+ struct btrfs_extent_item);
+ flags = btrfs_extent_flags(l, extent);
+ generation = btrfs_extent_generation(l, extent);
+
+ if (key.objectid < logic_start &&
+ (flags & BTRFS_EXTENT_FLAG_TREE_BLOCK)) {
+ btrfs_err(fs_info,
+ "scrub: tree block %llu spanning stripes, ignored. logical=%llu",
+ key.objectid, logic_start);
+ goto next;
+ }
+again:
+ extent_logical = key.objectid;
+ extent_len = bytes;
+
+ if (extent_logical < logic_start) {
+ extent_len -= logic_start - extent_logical;
+ extent_logical = logic_start;
+ }
+
+ if (extent_logical + extent_len >
+ logic_start + map->stripe_len)
+ extent_len = logic_start + map->stripe_len -
+ extent_logical;
+
+ scrub_parity_mark_sectors_data(sparity, extent_logical,
+ extent_len);
+
+ scrub_remap_extent(fs_info, extent_logical,
+ extent_len, &extent_physical,
+ &extent_dev,
+ &extent_mirror_num);
+
+ ret = btrfs_lookup_csums_range(csum_root,
+ extent_logical,
+ extent_logical + extent_len - 1,
+ &sctx->csum_list, 1);
+ if (ret)
+ goto out;
+
+ ret = scrub_extent_for_parity(sparity, extent_logical,
+ extent_len,
+ extent_physical,
+ extent_dev, flags,
+ generation,
+ extent_mirror_num);
+ if (ret)
+ goto out;
+
+ scrub_free_csums(sctx);
+ if (extent_logical + extent_len <
+ key.objectid + bytes) {
+ logic_start += map->stripe_len;
+
+ if (logic_start >= logic_end) {
+ stop_loop = 1;
+ break;
+ }
+
+ if (logic_start < key.objectid + bytes) {
+ cond_resched();
+ goto again;
+ }
+ }
+next:
+ path->slots[0]++;
+ }
+
+ btrfs_release_path(path);
+
+ if (stop_loop)
+ break;
+
+ logic_start += map->stripe_len;
+ }
+out:
+ if (ret < 0)
+ scrub_parity_mark_sectors_error(sparity, logic_start,
+ logic_end - logic_start + 1);
+ scrub_parity_put(sparity);
+ scrub_submit(sctx);
+ mutex_lock(&sctx->wr_ctx.wr_lock);
+ scrub_wr_submit(sctx);
+ mutex_unlock(&sctx->wr_ctx.wr_lock);
+
+ btrfs_release_path(path);
+ return ret < 0 ? ret : 0;
+}
+
static noinline_for_stack int scrub_stripe(struct scrub_ctx *sctx,
struct map_lookup *map,
struct btrfs_device *scrub_dev,
int num, u64 base, u64 length,
int is_dev_replace)
{
- struct btrfs_path *path;
+ struct btrfs_path *path, *ppath;
struct btrfs_fs_info *fs_info = sctx->dev_root->fs_info;
struct btrfs_root *root = fs_info->extent_root;
struct btrfs_root *csum_root = fs_info->csum_root;
@@ -2302,6 +3012,8 @@ static noinline_for_stack int scrub_stripe(struct scrub_ctx *sctx,
u64 extent_logical;
u64 extent_physical;
u64 extent_len;
+ u64 stripe_logical;
+ u64 stripe_end;
struct btrfs_device *extent_dev;
int extent_mirror_num;
int stop_loop = 0;
@@ -2327,7 +3039,7 @@ static noinline_for_stack int scrub_stripe(struct scrub_ctx *sctx,
mirror_num = num % map->num_stripes + 1;
} else if (map->type & (BTRFS_BLOCK_GROUP_RAID5 |
BTRFS_BLOCK_GROUP_RAID6)) {
- get_raid56_logic_offset(physical, num, map, &offset);
+ get_raid56_logic_offset(physical, num, map, &offset, NULL);
increment = map->stripe_len * nr_data_stripes(map);
mirror_num = 1;
} else {
@@ -2339,6 +3051,12 @@ static noinline_for_stack int scrub_stripe(struct scrub_ctx *sctx,
if (!path)
return -ENOMEM;
+ ppath = btrfs_alloc_path();
+ if (!ppath) {
+ btrfs_free_path(ppath);
+ return -ENOMEM;
+ }
+
/*
* work on commit root. The related disk blocks are static as
* long as COW is applied. This means, it is save to rewrite
@@ -2357,7 +3075,7 @@ static noinline_for_stack int scrub_stripe(struct scrub_ctx *sctx,
if (map->type & (BTRFS_BLOCK_GROUP_RAID5 |
BTRFS_BLOCK_GROUP_RAID6)) {
get_raid56_logic_offset(physical_end, num,
- map, &logic_end);
+ map, &logic_end, NULL);
logic_end += base;
} else {
logic_end = logical + increment * nstripes;
@@ -2404,10 +3122,18 @@ static noinline_for_stack int scrub_stripe(struct scrub_ctx *sctx,
if (map->type & (BTRFS_BLOCK_GROUP_RAID5 |
BTRFS_BLOCK_GROUP_RAID6)) {
ret = get_raid56_logic_offset(physical, num,
- map, &logical);
+ map, &logical, &stripe_logical);
logical += base;
- if (ret)
+ if (ret) {
+ stripe_logical += base;
+ stripe_end = stripe_logical + increment - 1;
+ ret = scrub_raid56_parity(sctx, map, scrub_dev,
+ ppath, stripe_logical,
+ stripe_end);
+ if (ret)
+ goto out;
goto skip;
+ }
}
/*
* canceled?
@@ -2558,13 +3284,25 @@ again:
* loop until we find next data stripe
* or we have finished all stripes.
*/
- do {
- physical += map->stripe_len;
- ret = get_raid56_logic_offset(
- physical, num,
- map, &logical);
- logical += base;
- } while (physical < physical_end && ret);
+loop:
+ physical += map->stripe_len;
+ ret = get_raid56_logic_offset(physical,
+ num, map, &logical,
+ &stripe_logical);
+ logical += base;
+
+ if (ret && physical < physical_end) {
+ stripe_logical += base;
+ stripe_end = stripe_logical +
+ increment - 1;
+ ret = scrub_raid56_parity(sctx,
+ map, scrub_dev, ppath,
+ stripe_logical,
+ stripe_end);
+ if (ret)
+ goto out;
+ goto loop;
+ }
} else {
physical += map->stripe_len;
logical += increment;
@@ -2605,6 +3343,7 @@ out:
blk_finish_plug(&plug);
btrfs_free_path(path);
+ btrfs_free_path(ppath);
return ret < 0 ? ret : 0;
}
diff --git a/fs/btrfs/volumes.c b/fs/btrfs/volumes.c
index ff2b35114972..0144790e296e 100644
--- a/fs/btrfs/volumes.c
+++ b/fs/btrfs/volumes.c
@@ -4879,13 +4879,15 @@ static inline int parity_smaller(u64 a, u64 b)
static void sort_parity_stripes(struct btrfs_bio *bbio, u64 *raid_map)
{
struct btrfs_bio_stripe s;
+ int real_stripes = bbio->num_stripes - bbio->num_tgtdevs;
int i;
u64 l;
int again = 1;
+ int m;
while (again) {
again = 0;
- for (i = 0; i < bbio->num_stripes - 1; i++) {
+ for (i = 0; i < real_stripes - 1; i++) {
if (parity_smaller(raid_map[i], raid_map[i+1])) {
s = bbio->stripes[i];
l = raid_map[i];
@@ -4893,6 +4895,14 @@ static void sort_parity_stripes(struct btrfs_bio *bbio, u64 *raid_map)
raid_map[i] = raid_map[i+1];
bbio->stripes[i+1] = s;
raid_map[i+1] = l;
+
+ if (bbio->tgtdev_map) {
+ m = bbio->tgtdev_map[i];
+ bbio->tgtdev_map[i] =
+ bbio->tgtdev_map[i + 1];
+ bbio->tgtdev_map[i + 1] = m;
+ }
+
again = 1;
}
}
@@ -4921,6 +4931,7 @@ static int __btrfs_map_block(struct btrfs_fs_info *fs_info, int rw,
int ret = 0;
int num_stripes;
int max_errors = 0;
+ int tgtdev_indexes = 0;
struct btrfs_bio *bbio = NULL;
struct btrfs_dev_replace *dev_replace = &fs_info->dev_replace;
int dev_replace_is_ongoing = 0;
@@ -5159,15 +5170,14 @@ static int __btrfs_map_block(struct btrfs_fs_info *fs_info, int rw,
BTRFS_BLOCK_GROUP_RAID6)) {
u64 tmp;
- if (bbio_ret && ((rw & REQ_WRITE) || mirror_num > 1)
- && raid_map_ret) {
+ if (raid_map_ret &&
+ ((rw & (REQ_WRITE | REQ_GET_READ_MIRRORS)) ||
+ mirror_num > 1)) {
int i, rot;
/* push stripe_nr back to the start of the full stripe */
stripe_nr = raid56_full_stripe_start;
- do_div(stripe_nr, stripe_len);
-
- stripe_index = do_div(stripe_nr, nr_data_stripes(map));
+ do_div(stripe_nr, stripe_len * nr_data_stripes(map));
/* RAID[56] write or recovery. Return all stripes */
num_stripes = map->num_stripes;
@@ -5233,14 +5243,19 @@ static int __btrfs_map_block(struct btrfs_fs_info *fs_info, int rw,
num_alloc_stripes <<= 1;
if (rw & REQ_GET_READ_MIRRORS)
num_alloc_stripes++;
+ tgtdev_indexes = num_stripes;
}
- bbio = kzalloc(btrfs_bio_size(num_alloc_stripes), GFP_NOFS);
+
+ bbio = kzalloc(btrfs_bio_size(num_alloc_stripes, tgtdev_indexes),
+ GFP_NOFS);
if (!bbio) {
kfree(raid_map);
ret = -ENOMEM;
goto out;
}
atomic_set(&bbio->error, 0);
+ if (dev_replace_is_ongoing)
+ bbio->tgtdev_map = (int *)(bbio->stripes + num_alloc_stripes);
if (rw & REQ_DISCARD) {
int factor = 0;
@@ -5325,6 +5340,7 @@ static int __btrfs_map_block(struct btrfs_fs_info *fs_info, int rw,
if (rw & (REQ_WRITE | REQ_GET_READ_MIRRORS))
max_errors = btrfs_chunk_max_errors(map);
+ tgtdev_indexes = 0;
if (dev_replace_is_ongoing && (rw & (REQ_WRITE | REQ_DISCARD)) &&
dev_replace->tgtdev != NULL) {
int index_where_to_add;
@@ -5353,8 +5369,10 @@ static int __btrfs_map_block(struct btrfs_fs_info *fs_info, int rw,
new->physical = old->physical;
new->length = old->length;
new->dev = dev_replace->tgtdev;
+ bbio->tgtdev_map[i] = index_where_to_add;
index_where_to_add++;
max_errors++;
+ tgtdev_indexes++;
}
}
num_stripes = index_where_to_add;
@@ -5400,7 +5418,9 @@ static int __btrfs_map_block(struct btrfs_fs_info *fs_info, int rw,
tgtdev_stripe->length =
bbio->stripes[index_srcdev].length;
tgtdev_stripe->dev = dev_replace->tgtdev;
+ bbio->tgtdev_map[index_srcdev] = num_stripes;
+ tgtdev_indexes++;
num_stripes++;
}
}
@@ -5410,6 +5430,7 @@ static int __btrfs_map_block(struct btrfs_fs_info *fs_info, int rw,
bbio->num_stripes = num_stripes;
bbio->max_errors = max_errors;
bbio->mirror_num = mirror_num;
+ bbio->num_tgtdevs = tgtdev_indexes;
/*
* this is the case that REQ_READ && dev_replace_is_ongoing &&
@@ -5441,6 +5462,16 @@ int btrfs_map_block(struct btrfs_fs_info *fs_info, int rw,
mirror_num, NULL);
}
+/* For Scrub/replace */
+int btrfs_map_sblock(struct btrfs_fs_info *fs_info, int rw,
+ u64 logical, u64 *length,
+ struct btrfs_bio **bbio_ret, int mirror_num,
+ u64 **raid_map_ret)
+{
+ return __btrfs_map_block(fs_info, rw, logical, length, bbio_ret,
+ mirror_num, raid_map_ret);
+}
+
int btrfs_rmap_block(struct btrfs_mapping_tree *map_tree,
u64 chunk_start, u64 physical, u64 devid,
u64 **logical, int *naddrs, int *stripe_len)
@@ -5810,12 +5841,9 @@ int btrfs_map_bio(struct btrfs_root *root, int rw, struct bio *bio,
} else {
ret = raid56_parity_recover(root, bio, bbio,
raid_map, map_length,
- mirror_num);
+ mirror_num, 1);
}
- /*
- * FIXME, replace dosen't support raid56 yet, please fix
- * it in the future.
- */
+
btrfs_bio_counter_dec(root->fs_info);
return ret;
}
diff --git a/fs/btrfs/volumes.h b/fs/btrfs/volumes.h
index 637bcfadadb2..d6fe73c0f4a2 100644
--- a/fs/btrfs/volumes.h
+++ b/fs/btrfs/volumes.h
@@ -292,7 +292,7 @@ struct btrfs_bio_stripe {
struct btrfs_bio;
typedef void (btrfs_bio_end_io_t) (struct btrfs_bio *bio, int err);
-#define BTRFS_BIO_ORIG_BIO_SUBMITTED 0x1
+#define BTRFS_BIO_ORIG_BIO_SUBMITTED (1 << 0)
struct btrfs_bio {
atomic_t stripes_pending;
@@ -305,6 +305,8 @@ struct btrfs_bio {
int max_errors;
int num_stripes;
int mirror_num;
+ int num_tgtdevs;
+ int *tgtdev_map;
struct btrfs_bio_stripe stripes[];
};
@@ -387,12 +389,18 @@ struct btrfs_balance_control {
int btrfs_account_dev_extents_size(struct btrfs_device *device, u64 start,
u64 end, u64 *length);
-#define btrfs_bio_size(n) (sizeof(struct btrfs_bio) + \
- (sizeof(struct btrfs_bio_stripe) * (n)))
+#define btrfs_bio_size(total_stripes, real_stripes) \
+ (sizeof(struct btrfs_bio) + \
+ (sizeof(struct btrfs_bio_stripe) * (total_stripes)) + \
+ (sizeof(int) * (real_stripes)))
int btrfs_map_block(struct btrfs_fs_info *fs_info, int rw,
u64 logical, u64 *length,
struct btrfs_bio **bbio_ret, int mirror_num);
+int btrfs_map_sblock(struct btrfs_fs_info *fs_info, int rw,
+ u64 logical, u64 *length,
+ struct btrfs_bio **bbio_ret, int mirror_num,
+ u64 **raid_map_ret);
int btrfs_rmap_block(struct btrfs_mapping_tree *map_tree,
u64 chunk_start, u64 physical, u64 devid,
u64 **logical, int *naddrs, int *stripe_len);
diff --git a/fs/dcache.c b/fs/dcache.c
index 3ffef7f4e5cd..5bc72b07fde2 100644
--- a/fs/dcache.c
+++ b/fs/dcache.c
@@ -778,6 +778,7 @@ restart:
struct dentry *parent = lock_parent(dentry);
if (likely(!dentry->d_lockref.count)) {
__dentry_kill(dentry);
+ dput(parent);
goto restart;
}
if (parent)
diff --git a/fs/isofs/inode.c b/fs/isofs/inode.c
index fe839b915116..d67a16f2a45d 100644
--- a/fs/isofs/inode.c
+++ b/fs/isofs/inode.c
@@ -174,27 +174,6 @@ struct iso9660_options{
* Compute the hash for the isofs name corresponding to the dentry.
*/
static int
-isofs_hash_common(struct qstr *qstr, int ms)
-{
- const char *name;
- int len;
-
- len = qstr->len;
- name = qstr->name;
- if (ms) {
- while (len && name[len-1] == '.')
- len--;
- }
-
- qstr->hash = full_name_hash(name, len);
-
- return 0;
-}
-
-/*
- * Compute the hash for the isofs name corresponding to the dentry.
- */
-static int
isofs_hashi_common(struct qstr *qstr, int ms)
{
const char *name;
@@ -263,6 +242,27 @@ isofs_dentry_cmpi(const struct dentry *parent, const struct dentry *dentry,
}
#ifdef CONFIG_JOLIET
+/*
+ * Compute the hash for the isofs name corresponding to the dentry.
+ */
+static int
+isofs_hash_common(struct qstr *qstr, int ms)
+{
+ const char *name;
+ int len;
+
+ len = qstr->len;
+ name = qstr->name;
+ if (ms) {
+ while (len && name[len-1] == '.')
+ len--;
+ }
+
+ qstr->hash = full_name_hash(name, len);
+
+ return 0;
+}
+
static int
isofs_hash_ms(const struct dentry *dentry, struct qstr *qstr)
{
diff --git a/fs/overlayfs/Kconfig b/fs/overlayfs/Kconfig
index e60125976873..34355818a2e0 100644
--- a/fs/overlayfs/Kconfig
+++ b/fs/overlayfs/Kconfig
@@ -1,4 +1,4 @@
-config OVERLAYFS_FS
+config OVERLAY_FS
tristate "Overlay filesystem support"
help
An overlay filesystem combines two filesystems - an 'upper' filesystem
diff --git a/fs/overlayfs/Makefile b/fs/overlayfs/Makefile
index 8f91889480d0..900daed3e91d 100644
--- a/fs/overlayfs/Makefile
+++ b/fs/overlayfs/Makefile
@@ -2,6 +2,6 @@
# Makefile for the overlay filesystem.
#
-obj-$(CONFIG_OVERLAYFS_FS) += overlayfs.o
+obj-$(CONFIG_OVERLAY_FS) += overlay.o
-overlayfs-objs := super.o inode.o dir.o readdir.o copy_up.o
+overlay-objs := super.o inode.o dir.o readdir.o copy_up.o
diff --git a/fs/overlayfs/dir.c b/fs/overlayfs/dir.c
index 15cd91ad9940..8ffc4b980f1b 100644
--- a/fs/overlayfs/dir.c
+++ b/fs/overlayfs/dir.c
@@ -284,8 +284,7 @@ out:
return ERR_PTR(err);
}
-static struct dentry *ovl_check_empty_and_clear(struct dentry *dentry,
- enum ovl_path_type type)
+static struct dentry *ovl_check_empty_and_clear(struct dentry *dentry)
{
int err;
struct dentry *ret = NULL;
@@ -294,8 +293,17 @@ static struct dentry *ovl_check_empty_and_clear(struct dentry *dentry,
err = ovl_check_empty_dir(dentry, &list);
if (err)
ret = ERR_PTR(err);
- else if (type == OVL_PATH_MERGE)
- ret = ovl_clear_empty(dentry, &list);
+ else {
+ /*
+ * If no upperdentry then skip clearing whiteouts.
+ *
+ * Can race with copy-up, since we don't hold the upperdir
+ * mutex. Doesn't matter, since copy-up can't create a
+ * non-empty directory from an empty one.
+ */
+ if (ovl_dentry_upper(dentry))
+ ret = ovl_clear_empty(dentry, &list);
+ }
ovl_cache_free(&list);
@@ -487,8 +495,7 @@ out:
return err;
}
-static int ovl_remove_and_whiteout(struct dentry *dentry,
- enum ovl_path_type type, bool is_dir)
+static int ovl_remove_and_whiteout(struct dentry *dentry, bool is_dir)
{
struct dentry *workdir = ovl_workdir(dentry);
struct inode *wdir = workdir->d_inode;
@@ -500,7 +507,7 @@ static int ovl_remove_and_whiteout(struct dentry *dentry,
int err;
if (is_dir) {
- opaquedir = ovl_check_empty_and_clear(dentry, type);
+ opaquedir = ovl_check_empty_and_clear(dentry);
err = PTR_ERR(opaquedir);
if (IS_ERR(opaquedir))
goto out;
@@ -515,9 +522,10 @@ static int ovl_remove_and_whiteout(struct dentry *dentry,
if (IS_ERR(whiteout))
goto out_unlock;
- if (type == OVL_PATH_LOWER) {
+ upper = ovl_dentry_upper(dentry);
+ if (!upper) {
upper = lookup_one_len(dentry->d_name.name, upperdir,
- dentry->d_name.len);
+ dentry->d_name.len);
err = PTR_ERR(upper);
if (IS_ERR(upper))
goto kill_whiteout;
@@ -529,7 +537,6 @@ static int ovl_remove_and_whiteout(struct dentry *dentry,
} else {
int flags = 0;
- upper = ovl_dentry_upper(dentry);
if (opaquedir)
upper = opaquedir;
err = -ESTALE;
@@ -648,7 +655,7 @@ static int ovl_do_remove(struct dentry *dentry, bool is_dir)
cap_raise(override_cred->cap_effective, CAP_CHOWN);
old_cred = override_creds(override_cred);
- err = ovl_remove_and_whiteout(dentry, type, is_dir);
+ err = ovl_remove_and_whiteout(dentry, is_dir);
revert_creds(old_cred);
put_cred(override_cred);
@@ -781,7 +788,7 @@ static int ovl_rename2(struct inode *olddir, struct dentry *old,
}
if (overwrite && (new_type == OVL_PATH_LOWER || new_type == OVL_PATH_MERGE) && new_is_dir) {
- opaquedir = ovl_check_empty_and_clear(new, new_type);
+ opaquedir = ovl_check_empty_and_clear(new);
err = PTR_ERR(opaquedir);
if (IS_ERR(opaquedir)) {
opaquedir = NULL;
diff --git a/fs/overlayfs/inode.c b/fs/overlayfs/inode.c
index af2d18c9fcee..07d74b24913b 100644
--- a/fs/overlayfs/inode.c
+++ b/fs/overlayfs/inode.c
@@ -235,26 +235,36 @@ out:
return err;
}
+static bool ovl_need_xattr_filter(struct dentry *dentry,
+ enum ovl_path_type type)
+{
+ return type == OVL_PATH_UPPER && S_ISDIR(dentry->d_inode->i_mode);
+}
+
ssize_t ovl_getxattr(struct dentry *dentry, const char *name,
void *value, size_t size)
{
- if (ovl_path_type(dentry->d_parent) == OVL_PATH_MERGE &&
- ovl_is_private_xattr(name))
+ struct path realpath;
+ enum ovl_path_type type = ovl_path_real(dentry, &realpath);
+
+ if (ovl_need_xattr_filter(dentry, type) && ovl_is_private_xattr(name))
return -ENODATA;
- return vfs_getxattr(ovl_dentry_real(dentry), name, value, size);
+ return vfs_getxattr(realpath.dentry, name, value, size);
}
ssize_t ovl_listxattr(struct dentry *dentry, char *list, size_t size)
{
+ struct path realpath;
+ enum ovl_path_type type = ovl_path_real(dentry, &realpath);
ssize_t res;
int off;
- res = vfs_listxattr(ovl_dentry_real(dentry), list, size);
+ res = vfs_listxattr(realpath.dentry, list, size);
if (res <= 0 || size == 0)
return res;
- if (ovl_path_type(dentry->d_parent) != OVL_PATH_MERGE)
+ if (!ovl_need_xattr_filter(dentry, type))
return res;
/* filter out private xattrs */
@@ -279,17 +289,16 @@ int ovl_removexattr(struct dentry *dentry, const char *name)
{
int err;
struct path realpath;
- enum ovl_path_type type;
+ enum ovl_path_type type = ovl_path_real(dentry, &realpath);
err = ovl_want_write(dentry);
if (err)
goto out;
- if (ovl_path_type(dentry->d_parent) == OVL_PATH_MERGE &&
- ovl_is_private_xattr(name))
+ err = -ENODATA;
+ if (ovl_need_xattr_filter(dentry, type) && ovl_is_private_xattr(name))
goto out_drop_write;
- type = ovl_path_real(dentry, &realpath);
if (type == OVL_PATH_LOWER) {
err = vfs_getxattr(realpath.dentry, name, NULL, 0);
if (err < 0)
diff --git a/fs/overlayfs/readdir.c b/fs/overlayfs/readdir.c
index 2a7ef4f8e2a6..ab1e3dcbed95 100644
--- a/fs/overlayfs/readdir.c
+++ b/fs/overlayfs/readdir.c
@@ -274,11 +274,11 @@ static int ovl_dir_mark_whiteouts(struct dentry *dir,
return 0;
}
-static inline int ovl_dir_read_merged(struct path *upperpath,
- struct path *lowerpath,
- struct list_head *list)
+static int ovl_dir_read_merged(struct dentry *dentry, struct list_head *list)
{
int err;
+ struct path lowerpath;
+ struct path upperpath;
struct ovl_readdir_data rdd = {
.ctx.actor = ovl_fill_merge,
.list = list,
@@ -286,25 +286,28 @@ static inline int ovl_dir_read_merged(struct path *upperpath,
.is_merge = false,
};
- if (upperpath->dentry) {
- err = ovl_dir_read(upperpath, &rdd);
+ ovl_path_lower(dentry, &lowerpath);
+ ovl_path_upper(dentry, &upperpath);
+
+ if (upperpath.dentry) {
+ err = ovl_dir_read(&upperpath, &rdd);
if (err)
goto out;
- if (lowerpath->dentry) {
- err = ovl_dir_mark_whiteouts(upperpath->dentry, &rdd);
+ if (lowerpath.dentry) {
+ err = ovl_dir_mark_whiteouts(upperpath.dentry, &rdd);
if (err)
goto out;
}
}
- if (lowerpath->dentry) {
+ if (lowerpath.dentry) {
/*
* Insert lowerpath entries before upperpath ones, this allows
* offsets to be reasonably constant
*/
list_add(&rdd.middle, rdd.list);
rdd.is_merge = true;
- err = ovl_dir_read(lowerpath, &rdd);
+ err = ovl_dir_read(&lowerpath, &rdd);
list_del(&rdd.middle);
}
out:
@@ -329,8 +332,6 @@ static void ovl_seek_cursor(struct ovl_dir_file *od, loff_t pos)
static struct ovl_dir_cache *ovl_cache_get(struct dentry *dentry)
{
int res;
- struct path lowerpath;
- struct path upperpath;
struct ovl_dir_cache *cache;
cache = ovl_dir_cache(dentry);
@@ -347,10 +348,7 @@ static struct ovl_dir_cache *ovl_cache_get(struct dentry *dentry)
cache->refcount = 1;
INIT_LIST_HEAD(&cache->entries);
- ovl_path_lower(dentry, &lowerpath);
- ovl_path_upper(dentry, &upperpath);
-
- res = ovl_dir_read_merged(&upperpath, &lowerpath, &cache->entries);
+ res = ovl_dir_read_merged(dentry, &cache->entries);
if (res) {
ovl_cache_free(&cache->entries);
kfree(cache);
@@ -452,10 +450,10 @@ static int ovl_dir_fsync(struct file *file, loff_t start, loff_t end,
/*
* Need to check if we started out being a lower dir, but got copied up
*/
- if (!od->is_upper && ovl_path_type(dentry) == OVL_PATH_MERGE) {
+ if (!od->is_upper && ovl_path_type(dentry) != OVL_PATH_LOWER) {
struct inode *inode = file_inode(file);
- realfile =lockless_dereference(od->upperfile);
+ realfile = lockless_dereference(od->upperfile);
if (!realfile) {
struct path upperpath;
@@ -538,14 +536,9 @@ const struct file_operations ovl_dir_operations = {
int ovl_check_empty_dir(struct dentry *dentry, struct list_head *list)
{
int err;
- struct path lowerpath;
- struct path upperpath;
struct ovl_cache_entry *p;
- ovl_path_upper(dentry, &upperpath);
- ovl_path_lower(dentry, &lowerpath);
-
- err = ovl_dir_read_merged(&upperpath, &lowerpath, list);
+ err = ovl_dir_read_merged(dentry, list);
if (err)
return err;
diff --git a/fs/overlayfs/super.c b/fs/overlayfs/super.c
index 08b704cebfc4..f16d318b71f8 100644
--- a/fs/overlayfs/super.c
+++ b/fs/overlayfs/super.c
@@ -24,7 +24,7 @@ MODULE_AUTHOR("Miklos Szeredi <miklos@szeredi.hu>");
MODULE_DESCRIPTION("Overlay filesystem");
MODULE_LICENSE("GPL");
-#define OVERLAYFS_SUPER_MAGIC 0x794c764f
+#define OVERLAYFS_SUPER_MAGIC 0x794c7630
struct ovl_config {
char *lowerdir;
@@ -84,12 +84,7 @@ enum ovl_path_type ovl_path_type(struct dentry *dentry)
static struct dentry *ovl_upperdentry_dereference(struct ovl_entry *oe)
{
- struct dentry *upperdentry = ACCESS_ONCE(oe->__upperdentry);
- /*
- * Make sure to order reads to upperdentry wrt ovl_dentry_update()
- */
- smp_read_barrier_depends();
- return upperdentry;
+ return lockless_dereference(oe->__upperdentry);
}
void ovl_path_upper(struct dentry *dentry, struct path *path)
@@ -462,11 +457,34 @@ static const match_table_t ovl_tokens = {
{OPT_ERR, NULL}
};
+static char *ovl_next_opt(char **s)
+{
+ char *sbegin = *s;
+ char *p;
+
+ if (sbegin == NULL)
+ return NULL;
+
+ for (p = sbegin; *p; p++) {
+ if (*p == '\\') {
+ p++;
+ if (!*p)
+ break;
+ } else if (*p == ',') {
+ *p = '\0';
+ *s = p + 1;
+ return sbegin;
+ }
+ }
+ *s = NULL;
+ return sbegin;
+}
+
static int ovl_parse_opt(char *opt, struct ovl_config *config)
{
char *p;
- while ((p = strsep(&opt, ",")) != NULL) {
+ while ((p = ovl_next_opt(&opt)) != NULL) {
int token;
substring_t args[MAX_OPT_ARGS];
@@ -554,15 +572,34 @@ out_dput:
goto out_unlock;
}
+static void ovl_unescape(char *s)
+{
+ char *d = s;
+
+ for (;; s++, d++) {
+ if (*s == '\\')
+ s++;
+ *d = *s;
+ if (!*s)
+ break;
+ }
+}
+
static int ovl_mount_dir(const char *name, struct path *path)
{
int err;
+ char *tmp = kstrdup(name, GFP_KERNEL);
+
+ if (!tmp)
+ return -ENOMEM;
- err = kern_path(name, LOOKUP_FOLLOW, path);
+ ovl_unescape(tmp);
+ err = kern_path(tmp, LOOKUP_FOLLOW, path);
if (err) {
- pr_err("overlayfs: failed to resolve '%s': %i\n", name, err);
+ pr_err("overlayfs: failed to resolve '%s': %i\n", tmp, err);
err = -EINVAL;
}
+ kfree(tmp);
return err;
}
@@ -776,11 +813,11 @@ static struct dentry *ovl_mount(struct file_system_type *fs_type, int flags,
static struct file_system_type ovl_fs_type = {
.owner = THIS_MODULE,
- .name = "overlayfs",
+ .name = "overlay",
.mount = ovl_mount,
.kill_sb = kill_anon_super,
};
-MODULE_ALIAS_FS("overlayfs");
+MODULE_ALIAS_FS("overlay");
static int __init ovl_init(void)
{
diff --git a/include/linux/bitops.h b/include/linux/bitops.h
index be5fd38bd5a0..5d858e02997f 100644
--- a/include/linux/bitops.h
+++ b/include/linux/bitops.h
@@ -18,8 +18,11 @@
* position @h. For example
* GENMASK_ULL(39, 21) gives us the 64bit vector 0x000000ffffe00000.
*/
-#define GENMASK(h, l) (((U32_C(1) << ((h) - (l) + 1)) - 1) << (l))
-#define GENMASK_ULL(h, l) (((U64_C(1) << ((h) - (l) + 1)) - 1) << (l))
+#define GENMASK(h, l) \
+ (((~0UL) << (l)) & (~0UL >> (BITS_PER_LONG - 1 - (h))))
+
+#define GENMASK_ULL(h, l) \
+ (((~0ULL) << (l)) & (~0ULL >> (BITS_PER_LONG_LONG - 1 - (h))))
extern unsigned int __sw_hweight8(unsigned int w);
extern unsigned int __sw_hweight16(unsigned int w);
diff --git a/include/linux/can/dev.h b/include/linux/can/dev.h
index 6992afc6ba7f..b37ea95bc348 100644
--- a/include/linux/can/dev.h
+++ b/include/linux/can/dev.h
@@ -99,6 +99,12 @@ inval_skb:
return 1;
}
+static inline bool can_is_canfd_skb(const struct sk_buff *skb)
+{
+ /* the CAN specific type of skb is identified by its data length */
+ return skb->len == CANFD_MTU;
+}
+
/* get data length from can_dlc with sanitized can_dlc */
u8 can_dlc2len(u8 can_dlc);
diff --git a/include/linux/inetdevice.h b/include/linux/inetdevice.h
index 0068708161ff..0a21fbefdfbe 100644
--- a/include/linux/inetdevice.h
+++ b/include/linux/inetdevice.h
@@ -242,7 +242,7 @@ static inline void in_dev_put(struct in_device *idev)
static __inline__ __be32 inet_make_mask(int logmask)
{
if (logmask)
- return htonl(~((1<<(32-logmask))-1));
+ return htonl(~((1U<<(32-logmask))-1));
return 0;
}
diff --git a/include/linux/kernel_stat.h b/include/linux/kernel_stat.h
index 8422b4ed6882..b9376cd5a187 100644
--- a/include/linux/kernel_stat.h
+++ b/include/linux/kernel_stat.h
@@ -77,11 +77,6 @@ static inline unsigned int kstat_cpu_irqs_sum(unsigned int cpu)
return kstat_cpu(cpu).irqs_sum;
}
-/*
- * Lock/unlock the current runqueue - to extract task statistics:
- */
-extern unsigned long long task_delta_exec(struct task_struct *);
-
extern void account_user_time(struct task_struct *, cputime_t, cputime_t);
extern void account_system_time(struct task_struct *, int, cputime_t, cputime_t);
extern void account_steal_time(cputime_t);
diff --git a/include/linux/percpu-refcount.h b/include/linux/percpu-refcount.h
index d5c89e0dd0e6..51ce60c35f4c 100644
--- a/include/linux/percpu-refcount.h
+++ b/include/linux/percpu-refcount.h
@@ -133,7 +133,13 @@ static inline bool __ref_is_percpu(struct percpu_ref *ref,
/* paired with smp_store_release() in percpu_ref_reinit() */
smp_read_barrier_depends();
- if (unlikely(percpu_ptr & __PERCPU_REF_ATOMIC))
+ /*
+ * Theoretically, the following could test just ATOMIC; however,
+ * then we'd have to mask off DEAD separately as DEAD may be
+ * visible without ATOMIC if we race with percpu_ref_kill(). DEAD
+ * implies ATOMIC anyway. Test them together.
+ */
+ if (unlikely(percpu_ptr & __PERCPU_REF_ATOMIC_DEAD))
return false;
*percpu_countp = (unsigned long __percpu *)percpu_ptr;
diff --git a/include/net/netfilter/nf_tables.h b/include/net/netfilter/nf_tables.h
index 845c596bf594..3ae969e3acf0 100644
--- a/include/net/netfilter/nf_tables.h
+++ b/include/net/netfilter/nf_tables.h
@@ -396,14 +396,12 @@ struct nft_rule {
/**
* struct nft_trans - nf_tables object update in transaction
*
- * @rcu_head: rcu head to defer release of transaction data
* @list: used internally
* @msg_type: message type
* @ctx: transaction context
* @data: internal information related to the transaction
*/
struct nft_trans {
- struct rcu_head rcu_head;
struct list_head list;
int msg_type;
struct nft_ctx ctx;
diff --git a/include/net/vxlan.h b/include/net/vxlan.h
index d5f59f3fc35d..57cccd0052e5 100644
--- a/include/net/vxlan.h
+++ b/include/net/vxlan.h
@@ -8,6 +8,12 @@
#define VNI_HASH_BITS 10
#define VNI_HASH_SIZE (1<<VNI_HASH_BITS)
+/* VXLAN protocol header */
+struct vxlanhdr {
+ __be32 vx_flags;
+ __be32 vx_vni;
+};
+
struct vxlan_sock;
typedef void (vxlan_rcv_t)(struct vxlan_sock *vh, struct sk_buff *skb, __be32 key);
@@ -45,6 +51,18 @@ int vxlan_xmit_skb(struct vxlan_sock *vs,
__be32 src, __be32 dst, __u8 tos, __u8 ttl, __be16 df,
__be16 src_port, __be16 dst_port, __be32 vni, bool xnet);
+static inline bool vxlan_gso_check(struct sk_buff *skb)
+{
+ if ((skb_shinfo(skb)->gso_type & SKB_GSO_UDP_TUNNEL) &&
+ (skb->inner_protocol_type != ENCAP_TYPE_ETHER ||
+ skb->inner_protocol != htons(ETH_P_TEB) ||
+ (skb_inner_mac_header(skb) - skb_transport_header(skb) !=
+ sizeof(struct udphdr) + sizeof(struct vxlanhdr))))
+ return false;
+
+ return true;
+}
+
/* IP header + UDP + VXLAN + Ethernet header */
#define VXLAN_HEADROOM (20 + 8 + 8 + 14)
/* IPv6 header + UDP + VXLAN + Ethernet header */
diff --git a/include/sound/soc-dpcm.h b/include/sound/soc-dpcm.h
index 2883a7a6f9f3..98f2ade0266e 100644
--- a/include/sound/soc-dpcm.h
+++ b/include/sound/soc-dpcm.h
@@ -102,6 +102,8 @@ struct snd_soc_dpcm_runtime {
/* state and update */
enum snd_soc_dpcm_update runtime_update;
enum snd_soc_dpcm_state state;
+
+ int trigger_pending; /* trigger cmd + 1 if pending, 0 if not */
};
/* can this BE stop and free */
diff --git a/kernel/events/core.c b/kernel/events/core.c
index 2b02c9fda790..1cd5eef1fcdd 100644
--- a/kernel/events/core.c
+++ b/kernel/events/core.c
@@ -1562,8 +1562,10 @@ static void perf_remove_from_context(struct perf_event *event, bool detach_group
if (!task) {
/*
- * Per cpu events are removed via an smp call and
- * the removal is always successful.
+ * Per cpu events are removed via an smp call. The removal can
+ * fail if the CPU is currently offline, but in that case we
+ * already called __perf_remove_from_context from
+ * perf_event_exit_cpu.
*/
cpu_function_call(event->cpu, __perf_remove_from_context, &re);
return;
@@ -8117,7 +8119,7 @@ static void perf_pmu_rotate_stop(struct pmu *pmu)
static void __perf_event_exit_context(void *__info)
{
- struct remove_event re = { .detach_group = false };
+ struct remove_event re = { .detach_group = true };
struct perf_event_context *ctx = __info;
perf_pmu_rotate_stop(ctx->pmu);
diff --git a/kernel/events/uprobes.c b/kernel/events/uprobes.c
index 1d0af8a2c646..ed8f2cde34c5 100644
--- a/kernel/events/uprobes.c
+++ b/kernel/events/uprobes.c
@@ -1640,7 +1640,6 @@ bool uprobe_deny_signal(void)
if (__fatal_signal_pending(t) || arch_uprobe_xol_was_trapped(t)) {
utask->state = UTASK_SSTEP_TRAPPED;
set_tsk_thread_flag(t, TIF_UPROBE);
- set_tsk_thread_flag(t, TIF_NOTIFY_RESUME);
}
}
diff --git a/kernel/sched/core.c b/kernel/sched/core.c
index 240157c13ddc..24beb9bb4c3e 100644
--- a/kernel/sched/core.c
+++ b/kernel/sched/core.c
@@ -2475,44 +2475,6 @@ EXPORT_PER_CPU_SYMBOL(kstat);
EXPORT_PER_CPU_SYMBOL(kernel_cpustat);
/*
- * Return any ns on the sched_clock that have not yet been accounted in
- * @p in case that task is currently running.
- *
- * Called with task_rq_lock() held on @rq.
- */
-static u64 do_task_delta_exec(struct task_struct *p, struct rq *rq)
-{
- u64 ns = 0;
-
- /*
- * Must be ->curr _and_ ->on_rq. If dequeued, we would
- * project cycles that may never be accounted to this
- * thread, breaking clock_gettime().
- */
- if (task_current(rq, p) && task_on_rq_queued(p)) {
- update_rq_clock(rq);
- ns = rq_clock_task(rq) - p->se.exec_start;
- if ((s64)ns < 0)
- ns = 0;
- }
-
- return ns;
-}
-
-unsigned long long task_delta_exec(struct task_struct *p)
-{
- unsigned long flags;
- struct rq *rq;
- u64 ns = 0;
-
- rq = task_rq_lock(p, &flags);
- ns = do_task_delta_exec(p, rq);
- task_rq_unlock(rq, p, &flags);
-
- return ns;
-}
-
-/*
* Return accounted runtime for the task.
* In case the task is currently running, return the runtime plus current's
* pending runtime that have not been accounted yet.
@@ -2521,7 +2483,7 @@ unsigned long long task_sched_runtime(struct task_struct *p)
{
unsigned long flags;
struct rq *rq;
- u64 ns = 0;
+ u64 ns;
#if defined(CONFIG_64BIT) && defined(CONFIG_SMP)
/*
@@ -2540,7 +2502,16 @@ unsigned long long task_sched_runtime(struct task_struct *p)
#endif
rq = task_rq_lock(p, &flags);
- ns = p->se.sum_exec_runtime + do_task_delta_exec(p, rq);
+ /*
+ * Must be ->curr _and_ ->on_rq. If dequeued, we would
+ * project cycles that may never be accounted to this
+ * thread, breaking clock_gettime().
+ */
+ if (task_current(rq, p) && task_on_rq_queued(p)) {
+ update_rq_clock(rq);
+ p->sched_class->update_curr(rq);
+ }
+ ns = p->se.sum_exec_runtime;
task_rq_unlock(rq, p, &flags);
return ns;
@@ -6368,6 +6339,10 @@ static void sched_init_numa(void)
if (!sched_debug())
break;
}
+
+ if (!level)
+ return;
+
/*
* 'level' contains the number of unique distances, excluding the
* identity distance node_distance(i,i).
@@ -7444,8 +7419,12 @@ void sched_move_task(struct task_struct *tsk)
if (unlikely(running))
put_prev_task(rq, tsk);
- tg = container_of(task_css_check(tsk, cpu_cgrp_id,
- lockdep_is_held(&tsk->sighand->siglock)),
+ /*
+ * All callers are synchronized by task_rq_lock(); we do not use RCU
+ * which is pointless here. Thus, we pass "true" to task_css_check()
+ * to prevent lockdep warnings.
+ */
+ tg = container_of(task_css_check(tsk, cpu_cgrp_id, true),
struct task_group, css);
tg = autogroup_task_group(tsk, tg);
tsk->sched_task_group = tg;
diff --git a/kernel/sched/deadline.c b/kernel/sched/deadline.c
index 5285332392d5..28fa9d9e9201 100644
--- a/kernel/sched/deadline.c
+++ b/kernel/sched/deadline.c
@@ -1701,4 +1701,6 @@ const struct sched_class dl_sched_class = {
.prio_changed = prio_changed_dl,
.switched_from = switched_from_dl,
.switched_to = switched_to_dl,
+
+ .update_curr = update_curr_dl,
};
diff --git a/kernel/sched/fair.c b/kernel/sched/fair.c
index 34baa60f8a7b..ef2b104b254c 100644
--- a/kernel/sched/fair.c
+++ b/kernel/sched/fair.c
@@ -726,6 +726,11 @@ static void update_curr(struct cfs_rq *cfs_rq)
account_cfs_rq_runtime(cfs_rq, delta_exec);
}
+static void update_curr_fair(struct rq *rq)
+{
+ update_curr(cfs_rq_of(&rq->curr->se));
+}
+
static inline void
update_stats_wait_start(struct cfs_rq *cfs_rq, struct sched_entity *se)
{
@@ -1180,6 +1185,13 @@ static void task_numa_compare(struct task_numa_env *env,
raw_spin_unlock_irq(&dst_rq->lock);
/*
+ * Because we have preemption enabled we can get migrated around and
+ * end try selecting ourselves (current == env->p) as a swap candidate.
+ */
+ if (cur == env->p)
+ goto unlock;
+
+ /*
* "imp" is the fault differential for the source task between the
* source and destination node. Calculate the total differential for
* the source task and potential destination task. The more negative
@@ -7949,6 +7961,8 @@ const struct sched_class fair_sched_class = {
.get_rr_interval = get_rr_interval_fair,
+ .update_curr = update_curr_fair,
+
#ifdef CONFIG_FAIR_GROUP_SCHED
.task_move_group = task_move_group_fair,
#endif
diff --git a/kernel/sched/idle_task.c b/kernel/sched/idle_task.c
index 67ad4e7f506a..c65dac8c97cd 100644
--- a/kernel/sched/idle_task.c
+++ b/kernel/sched/idle_task.c
@@ -75,6 +75,10 @@ static unsigned int get_rr_interval_idle(struct rq *rq, struct task_struct *task
return 0;
}
+static void update_curr_idle(struct rq *rq)
+{
+}
+
/*
* Simple, special scheduling class for the per-CPU idle tasks:
*/
@@ -101,4 +105,5 @@ const struct sched_class idle_sched_class = {
.prio_changed = prio_changed_idle,
.switched_to = switched_to_idle,
+ .update_curr = update_curr_idle,
};
diff --git a/kernel/sched/rt.c b/kernel/sched/rt.c
index d024e6ce30ba..20bca398084a 100644
--- a/kernel/sched/rt.c
+++ b/kernel/sched/rt.c
@@ -2128,6 +2128,8 @@ const struct sched_class rt_sched_class = {
.prio_changed = prio_changed_rt,
.switched_to = switched_to_rt,
+
+ .update_curr = update_curr_rt,
};
#ifdef CONFIG_SCHED_DEBUG
diff --git a/kernel/sched/sched.h b/kernel/sched/sched.h
index 24156c8434d1..2df8ef067cc5 100644
--- a/kernel/sched/sched.h
+++ b/kernel/sched/sched.h
@@ -1135,6 +1135,8 @@ struct sched_class {
unsigned int (*get_rr_interval) (struct rq *rq,
struct task_struct *task);
+ void (*update_curr) (struct rq *rq);
+
#ifdef CONFIG_FAIR_GROUP_SCHED
void (*task_move_group) (struct task_struct *p, int on_rq);
#endif
diff --git a/kernel/sched/stop_task.c b/kernel/sched/stop_task.c
index 67426e529f59..79ffec45a6ac 100644
--- a/kernel/sched/stop_task.c
+++ b/kernel/sched/stop_task.c
@@ -102,6 +102,10 @@ get_rr_interval_stop(struct rq *rq, struct task_struct *task)
return 0;
}
+static void update_curr_stop(struct rq *rq)
+{
+}
+
/*
* Simple, special scheduling class for the per-CPU stop tasks:
*/
@@ -128,4 +132,5 @@ const struct sched_class stop_sched_class = {
.prio_changed = prio_changed_stop,
.switched_to = switched_to_stop,
+ .update_curr = update_curr_stop,
};
diff --git a/kernel/time/posix-cpu-timers.c b/kernel/time/posix-cpu-timers.c
index 492b986195d5..a16b67859e2a 100644
--- a/kernel/time/posix-cpu-timers.c
+++ b/kernel/time/posix-cpu-timers.c
@@ -553,7 +553,7 @@ static int cpu_timer_sample_group(const clockid_t which_clock,
*sample = cputime_to_expires(cputime.utime);
break;
case CPUCLOCK_SCHED:
- *sample = cputime.sum_exec_runtime + task_delta_exec(p);
+ *sample = cputime.sum_exec_runtime;
break;
}
return 0;
diff --git a/lib/Makefile b/lib/Makefile
index 7512dc978f18..0211d2bd5e17 100644
--- a/lib/Makefile
+++ b/lib/Makefile
@@ -10,7 +10,7 @@ endif
lib-y := ctype.o string.o vsprintf.o cmdline.o \
rbtree.o radix-tree.o dump_stack.o timerqueue.o\
idr.o int_sqrt.o extable.o \
- sha1.o md5.o irq_regs.o reciprocal_div.o argv_split.o \
+ sha1.o md5.o irq_regs.o argv_split.o \
proportions.o flex_proportions.o ratelimit.o show_mem.o \
is_single_threaded.o plist.o decompress.o kobject_uevent.o \
earlycpio.o
@@ -26,7 +26,7 @@ obj-y += bcd.o div64.o sort.o parser.o halfmd4.o debug_locks.o random32.o \
bust_spinlocks.o hexdump.o kasprintf.o bitmap.o scatterlist.o \
gcd.o lcm.o list_sort.o uuid.o flex_array.o iovec.o clz_ctz.o \
bsearch.o find_last_bit.o find_next_bit.o llist.o memweight.o kfifo.o \
- percpu-refcount.o percpu_ida.o hash.o rhashtable.o
+ percpu-refcount.o percpu_ida.o hash.o rhashtable.o reciprocal_div.o
obj-y += string_helpers.o
obj-$(CONFIG_TEST_STRING_HELPERS) += test-string_helpers.o
obj-y += kstrtox.o
diff --git a/net/bridge/br_multicast.c b/net/bridge/br_multicast.c
index 648d79ccf462..c465876c7861 100644
--- a/net/bridge/br_multicast.c
+++ b/net/bridge/br_multicast.c
@@ -813,10 +813,9 @@ static void __br_multicast_send_query(struct net_bridge *br,
return;
if (port) {
- __skb_push(skb, sizeof(struct ethhdr));
skb->dev = port->dev;
NF_HOOK(NFPROTO_BRIDGE, NF_BR_LOCAL_OUT, skb, NULL, skb->dev,
- dev_queue_xmit);
+ br_dev_queue_push_xmit);
} else {
br_multicast_select_own_querier(br, ip, skb);
netif_rx(skb);
diff --git a/net/core/skbuff.c b/net/core/skbuff.c
index c16615bfb61e..32e31c299631 100644
--- a/net/core/skbuff.c
+++ b/net/core/skbuff.c
@@ -552,20 +552,13 @@ static void kfree_skbmem(struct sk_buff *skb)
case SKB_FCLONE_CLONE:
fclones = container_of(skb, struct sk_buff_fclones, skb2);
- /* Warning : We must perform the atomic_dec_and_test() before
- * setting skb->fclone back to SKB_FCLONE_FREE, otherwise
- * skb_clone() could set clone_ref to 2 before our decrement.
- * Anyway, if we are going to free the structure, no need to
- * rewrite skb->fclone.
+ /* The clone portion is available for
+ * fast-cloning again.
*/
- if (atomic_dec_and_test(&fclones->fclone_ref)) {
+ skb->fclone = SKB_FCLONE_FREE;
+
+ if (atomic_dec_and_test(&fclones->fclone_ref))
kmem_cache_free(skbuff_fclone_cache, fclones);
- } else {
- /* The clone portion is available for
- * fast-cloning again.
- */
- skb->fclone = SKB_FCLONE_FREE;
- }
break;
}
}
@@ -887,11 +880,7 @@ struct sk_buff *skb_clone(struct sk_buff *skb, gfp_t gfp_mask)
if (skb->fclone == SKB_FCLONE_ORIG &&
n->fclone == SKB_FCLONE_FREE) {
n->fclone = SKB_FCLONE_CLONE;
- /* As our fastclone was free, clone_ref must be 1 at this point.
- * We could use atomic_inc() here, but it is faster
- * to set the final value.
- */
- atomic_set(&fclones->fclone_ref, 2);
+ atomic_inc(&fclones->fclone_ref);
} else {
if (skb_pfmemalloc(skb))
gfp_mask |= __GFP_MEMALLOC;
diff --git a/net/dcb/dcbnl.c b/net/dcb/dcbnl.c
index ca11d283bbeb..93ea80196f0e 100644
--- a/net/dcb/dcbnl.c
+++ b/net/dcb/dcbnl.c
@@ -1080,13 +1080,13 @@ static int dcbnl_ieee_fill(struct sk_buff *skb, struct net_device *netdev)
if (!app)
return -EMSGSIZE;
- spin_lock(&dcb_lock);
+ spin_lock_bh(&dcb_lock);
list_for_each_entry(itr, &dcb_app_list, list) {
if (itr->ifindex == netdev->ifindex) {
err = nla_put(skb, DCB_ATTR_IEEE_APP, sizeof(itr->app),
&itr->app);
if (err) {
- spin_unlock(&dcb_lock);
+ spin_unlock_bh(&dcb_lock);
return -EMSGSIZE;
}
}
@@ -1097,7 +1097,7 @@ static int dcbnl_ieee_fill(struct sk_buff *skb, struct net_device *netdev)
else
dcbx = -EOPNOTSUPP;
- spin_unlock(&dcb_lock);
+ spin_unlock_bh(&dcb_lock);
nla_nest_end(skb, app);
/* get peer info if available */
@@ -1234,7 +1234,7 @@ static int dcbnl_cee_fill(struct sk_buff *skb, struct net_device *netdev)
}
/* local app */
- spin_lock(&dcb_lock);
+ spin_lock_bh(&dcb_lock);
app = nla_nest_start(skb, DCB_ATTR_CEE_APP_TABLE);
if (!app)
goto dcb_unlock;
@@ -1271,7 +1271,7 @@ static int dcbnl_cee_fill(struct sk_buff *skb, struct net_device *netdev)
else
dcbx = -EOPNOTSUPP;
- spin_unlock(&dcb_lock);
+ spin_unlock_bh(&dcb_lock);
/* features flags */
if (ops->getfeatcfg) {
@@ -1326,7 +1326,7 @@ static int dcbnl_cee_fill(struct sk_buff *skb, struct net_device *netdev)
return 0;
dcb_unlock:
- spin_unlock(&dcb_lock);
+ spin_unlock_bh(&dcb_lock);
nla_put_failure:
return err;
}
@@ -1762,10 +1762,10 @@ u8 dcb_getapp(struct net_device *dev, struct dcb_app *app)
struct dcb_app_type *itr;
u8 prio = 0;
- spin_lock(&dcb_lock);
+ spin_lock_bh(&dcb_lock);
if ((itr = dcb_app_lookup(app, dev->ifindex, 0)))
prio = itr->app.priority;
- spin_unlock(&dcb_lock);
+ spin_unlock_bh(&dcb_lock);
return prio;
}
@@ -1789,7 +1789,7 @@ int dcb_setapp(struct net_device *dev, struct dcb_app *new)
if (dev->dcbnl_ops->getdcbx)
event.dcbx = dev->dcbnl_ops->getdcbx(dev);
- spin_lock(&dcb_lock);
+ spin_lock_bh(&dcb_lock);
/* Search for existing match and replace */
if ((itr = dcb_app_lookup(new, dev->ifindex, 0))) {
if (new->priority)
@@ -1804,7 +1804,7 @@ int dcb_setapp(struct net_device *dev, struct dcb_app *new)
if (new->priority)
err = dcb_app_add(new, dev->ifindex);
out:
- spin_unlock(&dcb_lock);
+ spin_unlock_bh(&dcb_lock);
if (!err)
call_dcbevent_notifiers(DCB_APP_EVENT, &event);
return err;
@@ -1823,10 +1823,10 @@ u8 dcb_ieee_getapp_mask(struct net_device *dev, struct dcb_app *app)
struct dcb_app_type *itr;
u8 prio = 0;
- spin_lock(&dcb_lock);
+ spin_lock_bh(&dcb_lock);
if ((itr = dcb_app_lookup(app, dev->ifindex, 0)))
prio |= 1 << itr->app.priority;
- spin_unlock(&dcb_lock);
+ spin_unlock_bh(&dcb_lock);
return prio;
}
@@ -1850,7 +1850,7 @@ int dcb_ieee_setapp(struct net_device *dev, struct dcb_app *new)
if (dev->dcbnl_ops->getdcbx)
event.dcbx = dev->dcbnl_ops->getdcbx(dev);
- spin_lock(&dcb_lock);
+ spin_lock_bh(&dcb_lock);
/* Search for existing match and abort if found */
if (dcb_app_lookup(new, dev->ifindex, new->priority)) {
err = -EEXIST;
@@ -1859,7 +1859,7 @@ int dcb_ieee_setapp(struct net_device *dev, struct dcb_app *new)
err = dcb_app_add(new, dev->ifindex);
out:
- spin_unlock(&dcb_lock);
+ spin_unlock_bh(&dcb_lock);
if (!err)
call_dcbevent_notifiers(DCB_APP_EVENT, &event);
return err;
@@ -1882,7 +1882,7 @@ int dcb_ieee_delapp(struct net_device *dev, struct dcb_app *del)
if (dev->dcbnl_ops->getdcbx)
event.dcbx = dev->dcbnl_ops->getdcbx(dev);
- spin_lock(&dcb_lock);
+ spin_lock_bh(&dcb_lock);
/* Search for existing match and remove it. */
if ((itr = dcb_app_lookup(del, dev->ifindex, del->priority))) {
list_del(&itr->list);
@@ -1890,7 +1890,7 @@ int dcb_ieee_delapp(struct net_device *dev, struct dcb_app *del)
err = 0;
}
- spin_unlock(&dcb_lock);
+ spin_unlock_bh(&dcb_lock);
if (!err)
call_dcbevent_notifiers(DCB_APP_EVENT, &event);
return err;
@@ -1902,12 +1902,12 @@ static void dcb_flushapp(void)
struct dcb_app_type *app;
struct dcb_app_type *tmp;
- spin_lock(&dcb_lock);
+ spin_lock_bh(&dcb_lock);
list_for_each_entry_safe(app, tmp, &dcb_app_list, list) {
list_del(&app->list);
kfree(app);
}
- spin_unlock(&dcb_lock);
+ spin_unlock_bh(&dcb_lock);
}
static int __init dcbnl_init(void)
diff --git a/net/ipv4/fib_rules.c b/net/ipv4/fib_rules.c
index f2e15738534d..8f7bd56955b0 100644
--- a/net/ipv4/fib_rules.c
+++ b/net/ipv4/fib_rules.c
@@ -62,6 +62,10 @@ int __fib_lookup(struct net *net, struct flowi4 *flp, struct fib_result *res)
else
res->tclassid = 0;
#endif
+
+ if (err == -ESRCH)
+ err = -ENETUNREACH;
+
return err;
}
EXPORT_SYMBOL_GPL(__fib_lookup);
diff --git a/net/ipv4/igmp.c b/net/ipv4/igmp.c
index fb70e3ecc3e4..bb15d0e03d4f 100644
--- a/net/ipv4/igmp.c
+++ b/net/ipv4/igmp.c
@@ -318,9 +318,7 @@ igmp_scount(struct ip_mc_list *pmc, int type, int gdeleted, int sdeleted)
return scount;
}
-#define igmp_skb_size(skb) (*(unsigned int *)((skb)->cb))
-
-static struct sk_buff *igmpv3_newpack(struct net_device *dev, int size)
+static struct sk_buff *igmpv3_newpack(struct net_device *dev, unsigned int mtu)
{
struct sk_buff *skb;
struct rtable *rt;
@@ -330,6 +328,7 @@ static struct sk_buff *igmpv3_newpack(struct net_device *dev, int size)
struct flowi4 fl4;
int hlen = LL_RESERVED_SPACE(dev);
int tlen = dev->needed_tailroom;
+ unsigned int size = mtu;
while (1) {
skb = alloc_skb(size + hlen + tlen,
@@ -341,7 +340,6 @@ static struct sk_buff *igmpv3_newpack(struct net_device *dev, int size)
return NULL;
}
skb->priority = TC_PRIO_CONTROL;
- igmp_skb_size(skb) = size;
rt = ip_route_output_ports(net, &fl4, NULL, IGMPV3_ALL_MCR, 0,
0, 0,
@@ -354,6 +352,8 @@ static struct sk_buff *igmpv3_newpack(struct net_device *dev, int size)
skb_dst_set(skb, &rt->dst);
skb->dev = dev;
+ skb->reserved_tailroom = skb_end_offset(skb) -
+ min(mtu, skb_end_offset(skb));
skb_reserve(skb, hlen);
skb_reset_network_header(skb);
@@ -423,8 +423,7 @@ static struct sk_buff *add_grhead(struct sk_buff *skb, struct ip_mc_list *pmc,
return skb;
}
-#define AVAILABLE(skb) ((skb) ? ((skb)->dev ? igmp_skb_size(skb) - (skb)->len : \
- skb_tailroom(skb)) : 0)
+#define AVAILABLE(skb) ((skb) ? skb_availroom(skb) : 0)
static struct sk_buff *add_grec(struct sk_buff *skb, struct ip_mc_list *pmc,
int type, int gdeleted, int sdeleted)
diff --git a/net/ipv4/netfilter/nft_masq_ipv4.c b/net/ipv4/netfilter/nft_masq_ipv4.c
index c1023c445920..665de06561cd 100644
--- a/net/ipv4/netfilter/nft_masq_ipv4.c
+++ b/net/ipv4/netfilter/nft_masq_ipv4.c
@@ -24,6 +24,7 @@ static void nft_masq_ipv4_eval(const struct nft_expr *expr,
struct nf_nat_range range;
unsigned int verdict;
+ memset(&range, 0, sizeof(range));
range.flags = priv->flags;
verdict = nf_nat_masquerade_ipv4(pkt->skb, pkt->ops->hooknum,
diff --git a/net/ipv4/tcp_input.c b/net/ipv4/tcp_input.c
index 88fa2d160685..d107ee246a1d 100644
--- a/net/ipv4/tcp_input.c
+++ b/net/ipv4/tcp_input.c
@@ -5231,7 +5231,7 @@ slow_path:
if (len < (th->doff << 2) || tcp_checksum_complete_user(sk, skb))
goto csum_error;
- if (!th->ack && !th->rst)
+ if (!th->ack && !th->rst && !th->syn)
goto discard;
/*
@@ -5650,7 +5650,7 @@ int tcp_rcv_state_process(struct sock *sk, struct sk_buff *skb,
goto discard;
}
- if (!th->ack && !th->rst)
+ if (!th->ack && !th->rst && !th->syn)
goto discard;
if (!tcp_validate_incoming(sk, skb, th, 0))
diff --git a/net/ipv6/ip6mr.c b/net/ipv6/ip6mr.c
index 0171f08325c3..1a01d79b8698 100644
--- a/net/ipv6/ip6mr.c
+++ b/net/ipv6/ip6mr.c
@@ -1439,6 +1439,10 @@ reg_pernet_fail:
void ip6_mr_cleanup(void)
{
+ rtnl_unregister(RTNL_FAMILY_IP6MR, RTM_GETROUTE);
+#ifdef CONFIG_IPV6_PIMSM_V2
+ inet6_del_protocol(&pim6_protocol, IPPROTO_PIM);
+#endif
unregister_netdevice_notifier(&ip6_mr_notifier);
unregister_pernet_subsys(&ip6mr_net_ops);
kmem_cache_destroy(mrt_cachep);
diff --git a/net/ipv6/mcast.c b/net/ipv6/mcast.c
index 9648de2b6745..ed2c4e400b46 100644
--- a/net/ipv6/mcast.c
+++ b/net/ipv6/mcast.c
@@ -1550,7 +1550,7 @@ static void ip6_mc_hdr(struct sock *sk, struct sk_buff *skb,
hdr->daddr = *daddr;
}
-static struct sk_buff *mld_newpack(struct inet6_dev *idev, int size)
+static struct sk_buff *mld_newpack(struct inet6_dev *idev, unsigned int mtu)
{
struct net_device *dev = idev->dev;
struct net *net = dev_net(dev);
@@ -1561,13 +1561,13 @@ static struct sk_buff *mld_newpack(struct inet6_dev *idev, int size)
const struct in6_addr *saddr;
int hlen = LL_RESERVED_SPACE(dev);
int tlen = dev->needed_tailroom;
+ unsigned int size = mtu + hlen + tlen;
int err;
u8 ra[8] = { IPPROTO_ICMPV6, 0,
IPV6_TLV_ROUTERALERT, 2, 0, 0,
IPV6_TLV_PADN, 0 };
/* we assume size > sizeof(ra) here */
- size += hlen + tlen;
/* limit our allocations to order-0 page */
size = min_t(int, size, SKB_MAX_ORDER(0, 0));
skb = sock_alloc_send_skb(sk, size, 1, &err);
@@ -1576,6 +1576,8 @@ static struct sk_buff *mld_newpack(struct inet6_dev *idev, int size)
return NULL;
skb->priority = TC_PRIO_CONTROL;
+ skb->reserved_tailroom = skb_end_offset(skb) -
+ min(mtu, skb_end_offset(skb));
skb_reserve(skb, hlen);
if (__ipv6_get_lladdr(idev, &addr_buf, IFA_F_TENTATIVE)) {
@@ -1690,8 +1692,7 @@ static struct sk_buff *add_grhead(struct sk_buff *skb, struct ifmcaddr6 *pmc,
return skb;
}
-#define AVAILABLE(skb) ((skb) ? ((skb)->dev ? (skb)->dev->mtu - (skb)->len : \
- skb_tailroom(skb)) : 0)
+#define AVAILABLE(skb) ((skb) ? skb_availroom(skb) : 0)
static struct sk_buff *add_grec(struct sk_buff *skb, struct ifmcaddr6 *pmc,
int type, int gdeleted, int sdeleted, int crsend)
diff --git a/net/ipv6/netfilter/nft_masq_ipv6.c b/net/ipv6/netfilter/nft_masq_ipv6.c
index 8a7ac685076d..529c119cbb14 100644
--- a/net/ipv6/netfilter/nft_masq_ipv6.c
+++ b/net/ipv6/netfilter/nft_masq_ipv6.c
@@ -25,6 +25,7 @@ static void nft_masq_ipv6_eval(const struct nft_expr *expr,
struct nf_nat_range range;
unsigned int verdict;
+ memset(&range, 0, sizeof(range));
range.flags = priv->flags;
verdict = nf_nat_masquerade_ipv6(pkt->skb, &range, pkt->out);
diff --git a/net/ipx/af_ipx.c b/net/ipx/af_ipx.c
index 91729b807c7d..1b095ca37aa4 100644
--- a/net/ipx/af_ipx.c
+++ b/net/ipx/af_ipx.c
@@ -1764,6 +1764,7 @@ static int ipx_recvmsg(struct kiocb *iocb, struct socket *sock,
struct ipxhdr *ipx = NULL;
struct sk_buff *skb;
int copied, rc;
+ bool locked = true;
lock_sock(sk);
/* put the autobinding in */
@@ -1790,6 +1791,8 @@ static int ipx_recvmsg(struct kiocb *iocb, struct socket *sock,
if (sock_flag(sk, SOCK_ZAPPED))
goto out;
+ release_sock(sk);
+ locked = false;
skb = skb_recv_datagram(sk, flags & ~MSG_DONTWAIT,
flags & MSG_DONTWAIT, &rc);
if (!skb) {
@@ -1826,7 +1829,8 @@ static int ipx_recvmsg(struct kiocb *iocb, struct socket *sock,
out_free:
skb_free_datagram(sk, skb);
out:
- release_sock(sk);
+ if (locked)
+ release_sock(sk);
return rc;
}
diff --git a/net/mac80211/aes_ccm.c b/net/mac80211/aes_ccm.c
index ec24378caaaf..09d9caaec591 100644
--- a/net/mac80211/aes_ccm.c
+++ b/net/mac80211/aes_ccm.c
@@ -53,6 +53,9 @@ int ieee80211_aes_ccm_decrypt(struct crypto_aead *tfm, u8 *b_0, u8 *aad,
__aligned(__alignof__(struct aead_request));
struct aead_request *aead_req = (void *) aead_req_data;
+ if (data_len == 0)
+ return -EINVAL;
+
memset(aead_req, 0, sizeof(aead_req_data));
sg_init_one(&pt, data, data_len);
diff --git a/net/mac80211/rc80211_minstrel_ht.c b/net/mac80211/rc80211_minstrel_ht.c
index df90ce2db00c..408fd8ab4eef 100644
--- a/net/mac80211/rc80211_minstrel_ht.c
+++ b/net/mac80211/rc80211_minstrel_ht.c
@@ -252,19 +252,16 @@ minstrel_ht_sort_best_tp_rates(struct minstrel_ht_sta *mi, u8 index,
cur_thr = mi->groups[cur_group].rates[cur_idx].cur_tp;
cur_prob = mi->groups[cur_group].rates[cur_idx].probability;
- tmp_group = tp_list[j - 1] / MCS_GROUP_RATES;
- tmp_idx = tp_list[j - 1] % MCS_GROUP_RATES;
- tmp_thr = mi->groups[tmp_group].rates[tmp_idx].cur_tp;
- tmp_prob = mi->groups[tmp_group].rates[tmp_idx].probability;
-
- while (j > 0 && (cur_thr > tmp_thr ||
- (cur_thr == tmp_thr && cur_prob > tmp_prob))) {
- j--;
+ do {
tmp_group = tp_list[j - 1] / MCS_GROUP_RATES;
tmp_idx = tp_list[j - 1] % MCS_GROUP_RATES;
tmp_thr = mi->groups[tmp_group].rates[tmp_idx].cur_tp;
tmp_prob = mi->groups[tmp_group].rates[tmp_idx].probability;
- }
+ if (cur_thr < tmp_thr ||
+ (cur_thr == tmp_thr && cur_prob <= tmp_prob))
+ break;
+ j--;
+ } while (j > 0);
if (j < MAX_THR_RATES - 1) {
memmove(&tp_list[j + 1], &tp_list[j], (sizeof(*tp_list) *
diff --git a/net/netfilter/ipset/ip_set_core.c b/net/netfilter/ipset/ip_set_core.c
index 86f9d76b1464..d259da3ce67a 100644
--- a/net/netfilter/ipset/ip_set_core.c
+++ b/net/netfilter/ipset/ip_set_core.c
@@ -1863,6 +1863,12 @@ ip_set_sockfn_get(struct sock *sk, int optval, void __user *user, int *len)
if (*op < IP_SET_OP_VERSION) {
/* Check the version at the beginning of operations */
struct ip_set_req_version *req_version = data;
+
+ if (*len < sizeof(struct ip_set_req_version)) {
+ ret = -EINVAL;
+ goto done;
+ }
+
if (req_version->version != IPSET_PROTOCOL) {
ret = -EPROTO;
goto done;
diff --git a/net/netfilter/ipvs/ip_vs_xmit.c b/net/netfilter/ipvs/ip_vs_xmit.c
index 437a3663ad03..bd90bf8107da 100644
--- a/net/netfilter/ipvs/ip_vs_xmit.c
+++ b/net/netfilter/ipvs/ip_vs_xmit.c
@@ -846,6 +846,8 @@ ip_vs_prepare_tunneled_skb(struct sk_buff *skb, int skb_af,
new_skb = skb_realloc_headroom(skb, max_headroom);
if (!new_skb)
goto error;
+ if (skb->sk)
+ skb_set_owner_w(new_skb, skb->sk);
consume_skb(skb);
skb = new_skb;
}
diff --git a/net/netfilter/nf_conntrack_core.c b/net/netfilter/nf_conntrack_core.c
index 5016a6929085..2c699757bccf 100644
--- a/net/netfilter/nf_conntrack_core.c
+++ b/net/netfilter/nf_conntrack_core.c
@@ -611,12 +611,16 @@ __nf_conntrack_confirm(struct sk_buff *skb)
*/
NF_CT_ASSERT(!nf_ct_is_confirmed(ct));
pr_debug("Confirming conntrack %p\n", ct);
- /* We have to check the DYING flag inside the lock to prevent
- a race against nf_ct_get_next_corpse() possibly called from
- user context, else we insert an already 'dead' hash, blocking
- further use of that particular connection -JM */
+
+ /* We have to check the DYING flag after unlink to prevent
+ * a race against nf_ct_get_next_corpse() possibly called from
+ * user context, else we insert an already 'dead' hash, blocking
+ * further use of that particular connection -JM.
+ */
+ nf_ct_del_from_dying_or_unconfirmed_list(ct);
if (unlikely(nf_ct_is_dying(ct))) {
+ nf_ct_add_to_dying_list(ct);
nf_conntrack_double_unlock(hash, reply_hash);
local_bh_enable();
return NF_ACCEPT;
@@ -636,8 +640,6 @@ __nf_conntrack_confirm(struct sk_buff *skb)
zone == nf_ct_zone(nf_ct_tuplehash_to_ctrack(h)))
goto out;
- nf_ct_del_from_dying_or_unconfirmed_list(ct);
-
/* Timer relative to confirmation time, not original
setting time, otherwise we'd get timer wrap in
weird delay cases. */
diff --git a/net/netfilter/nf_tables_api.c b/net/netfilter/nf_tables_api.c
index 11ab4b078f3b..66e8425dbfe7 100644
--- a/net/netfilter/nf_tables_api.c
+++ b/net/netfilter/nf_tables_api.c
@@ -3484,13 +3484,8 @@ static void nft_chain_commit_update(struct nft_trans *trans)
}
}
-/* Schedule objects for release via rcu to make sure no packets are accesing
- * removed rules.
- */
-static void nf_tables_commit_release_rcu(struct rcu_head *rt)
+static void nf_tables_commit_release(struct nft_trans *trans)
{
- struct nft_trans *trans = container_of(rt, struct nft_trans, rcu_head);
-
switch (trans->msg_type) {
case NFT_MSG_DELTABLE:
nf_tables_table_destroy(&trans->ctx);
@@ -3612,10 +3607,11 @@ static int nf_tables_commit(struct sk_buff *skb)
}
}
+ synchronize_rcu();
+
list_for_each_entry_safe(trans, next, &net->nft.commit_list, list) {
list_del(&trans->list);
- trans->ctx.nla = NULL;
- call_rcu(&trans->rcu_head, nf_tables_commit_release_rcu);
+ nf_tables_commit_release(trans);
}
nf_tables_gen_notify(net, skb, NFT_MSG_NEWGEN);
@@ -3623,13 +3619,8 @@ static int nf_tables_commit(struct sk_buff *skb)
return 0;
}
-/* Schedule objects for release via rcu to make sure no packets are accesing
- * aborted rules.
- */
-static void nf_tables_abort_release_rcu(struct rcu_head *rt)
+static void nf_tables_abort_release(struct nft_trans *trans)
{
- struct nft_trans *trans = container_of(rt, struct nft_trans, rcu_head);
-
switch (trans->msg_type) {
case NFT_MSG_NEWTABLE:
nf_tables_table_destroy(&trans->ctx);
@@ -3725,11 +3716,12 @@ static int nf_tables_abort(struct sk_buff *skb)
}
}
+ synchronize_rcu();
+
list_for_each_entry_safe_reverse(trans, next,
&net->nft.commit_list, list) {
list_del(&trans->list);
- trans->ctx.nla = NULL;
- call_rcu(&trans->rcu_head, nf_tables_abort_release_rcu);
+ nf_tables_abort_release(trans);
}
return 0;
diff --git a/net/netfilter/nfnetlink.c b/net/netfilter/nfnetlink.c
index 6c5a915cfa75..13c2e17bbe27 100644
--- a/net/netfilter/nfnetlink.c
+++ b/net/netfilter/nfnetlink.c
@@ -47,6 +47,8 @@ static const int nfnl_group2type[NFNLGRP_MAX+1] = {
[NFNLGRP_CONNTRACK_EXP_NEW] = NFNL_SUBSYS_CTNETLINK_EXP,
[NFNLGRP_CONNTRACK_EXP_UPDATE] = NFNL_SUBSYS_CTNETLINK_EXP,
[NFNLGRP_CONNTRACK_EXP_DESTROY] = NFNL_SUBSYS_CTNETLINK_EXP,
+ [NFNLGRP_NFTABLES] = NFNL_SUBSYS_NFTABLES,
+ [NFNLGRP_ACCT_QUOTA] = NFNL_SUBSYS_ACCT,
};
void nfnl_lock(__u8 subsys_id)
@@ -464,7 +466,12 @@ static void nfnetlink_rcv(struct sk_buff *skb)
static int nfnetlink_bind(int group)
{
const struct nfnetlink_subsystem *ss;
- int type = nfnl_group2type[group];
+ int type;
+
+ if (group <= NFNLGRP_NONE || group > NFNLGRP_MAX)
+ return -EINVAL;
+
+ type = nfnl_group2type[group];
rcu_read_lock();
ss = nfnetlink_get_subsys(type);
@@ -514,6 +521,9 @@ static int __init nfnetlink_init(void)
{
int i;
+ for (i = NFNLGRP_NONE + 1; i <= NFNLGRP_MAX; i++)
+ BUG_ON(nfnl_group2type[i] == NFNL_SUBSYS_NONE);
+
for (i=0; i<NFNL_SUBSYS_COUNT; i++)
mutex_init(&table[i].mutex);
diff --git a/net/netfilter/nft_compat.c b/net/netfilter/nft_compat.c
index 9d6d6f60a80f..265e190f2218 100644
--- a/net/netfilter/nft_compat.c
+++ b/net/netfilter/nft_compat.c
@@ -21,45 +21,17 @@
#include <linux/netfilter_ipv6/ip6_tables.h>
#include <net/netfilter/nf_tables.h>
-static const struct {
- const char *name;
- u8 type;
-} table_to_chaintype[] = {
- { "filter", NFT_CHAIN_T_DEFAULT },
- { "raw", NFT_CHAIN_T_DEFAULT },
- { "security", NFT_CHAIN_T_DEFAULT },
- { "mangle", NFT_CHAIN_T_ROUTE },
- { "nat", NFT_CHAIN_T_NAT },
- { },
-};
-
-static int nft_compat_table_to_chaintype(const char *table)
-{
- int i;
-
- for (i = 0; table_to_chaintype[i].name != NULL; i++) {
- if (strcmp(table_to_chaintype[i].name, table) == 0)
- return table_to_chaintype[i].type;
- }
-
- return -1;
-}
-
static int nft_compat_chain_validate_dependency(const char *tablename,
const struct nft_chain *chain)
{
- enum nft_chain_type type;
const struct nft_base_chain *basechain;
if (!tablename || !(chain->flags & NFT_BASE_CHAIN))
return 0;
- type = nft_compat_table_to_chaintype(tablename);
- if (type < 0)
- return -EINVAL;
-
basechain = nft_base_chain(chain);
- if (basechain->type->type != type)
+ if (strcmp(tablename, "nat") == 0 &&
+ basechain->type->type != NFT_CHAIN_T_NAT)
return -EINVAL;
return 0;
@@ -117,7 +89,7 @@ nft_target_set_tgchk_param(struct xt_tgchk_param *par,
struct xt_target *target, void *info,
union nft_entry *entry, u8 proto, bool inv)
{
- par->net = &init_net;
+ par->net = ctx->net;
par->table = ctx->table->name;
switch (ctx->afi->family) {
case AF_INET:
@@ -324,7 +296,7 @@ nft_match_set_mtchk_param(struct xt_mtchk_param *par, const struct nft_ctx *ctx,
struct xt_match *match, void *info,
union nft_entry *entry, u8 proto, bool inv)
{
- par->net = &init_net;
+ par->net = ctx->net;
par->table = ctx->table->name;
switch (ctx->afi->family) {
case AF_INET:
@@ -374,7 +346,7 @@ nft_match_init(const struct nft_ctx *ctx, const struct nft_expr *expr,
union nft_entry e = {};
int ret;
- ret = nft_compat_chain_validate_dependency(match->name, ctx->chain);
+ ret = nft_compat_chain_validate_dependency(match->table, ctx->chain);
if (ret < 0)
goto err;
@@ -448,7 +420,7 @@ static int nft_match_validate(const struct nft_ctx *ctx,
if (!(hook_mask & match->hooks))
return -EINVAL;
- ret = nft_compat_chain_validate_dependency(match->name,
+ ret = nft_compat_chain_validate_dependency(match->table,
ctx->chain);
if (ret < 0)
return ret;
diff --git a/net/openvswitch/actions.c b/net/openvswitch/actions.c
index 006886dbee36..8c4229b11c34 100644
--- a/net/openvswitch/actions.c
+++ b/net/openvswitch/actions.c
@@ -246,11 +246,11 @@ static void update_ipv6_checksum(struct sk_buff *skb, u8 l4_proto,
{
int transport_len = skb->len - skb_transport_offset(skb);
- if (l4_proto == IPPROTO_TCP) {
+ if (l4_proto == NEXTHDR_TCP) {
if (likely(transport_len >= sizeof(struct tcphdr)))
inet_proto_csum_replace16(&tcp_hdr(skb)->check, skb,
addr, new_addr, 1);
- } else if (l4_proto == IPPROTO_UDP) {
+ } else if (l4_proto == NEXTHDR_UDP) {
if (likely(transport_len >= sizeof(struct udphdr))) {
struct udphdr *uh = udp_hdr(skb);
@@ -261,6 +261,10 @@ static void update_ipv6_checksum(struct sk_buff *skb, u8 l4_proto,
uh->check = CSUM_MANGLED_0;
}
}
+ } else if (l4_proto == NEXTHDR_ICMP) {
+ if (likely(transport_len >= sizeof(struct icmp6hdr)))
+ inet_proto_csum_replace16(&icmp6_hdr(skb)->icmp6_cksum,
+ skb, addr, new_addr, 1);
}
}
@@ -722,8 +726,6 @@ static int do_execute_actions(struct datapath *dp, struct sk_buff *skb,
case OVS_ACTION_ATTR_SAMPLE:
err = sample(dp, skb, key, a);
- if (unlikely(err)) /* skb already freed. */
- return err;
break;
}
diff --git a/net/openvswitch/datapath.c b/net/openvswitch/datapath.c
index e6d7255183eb..f9e556b56086 100644
--- a/net/openvswitch/datapath.c
+++ b/net/openvswitch/datapath.c
@@ -1265,7 +1265,7 @@ static size_t ovs_dp_cmd_msg_size(void)
return msgsize;
}
-/* Called with ovs_mutex or RCU read lock. */
+/* Called with ovs_mutex. */
static int ovs_dp_cmd_fill_info(struct datapath *dp, struct sk_buff *skb,
u32 portid, u32 seq, u32 flags, u8 cmd)
{
@@ -1555,7 +1555,7 @@ static int ovs_dp_cmd_get(struct sk_buff *skb, struct genl_info *info)
if (!reply)
return -ENOMEM;
- rcu_read_lock();
+ ovs_lock();
dp = lookup_datapath(sock_net(skb->sk), info->userhdr, info->attrs);
if (IS_ERR(dp)) {
err = PTR_ERR(dp);
@@ -1564,12 +1564,12 @@ static int ovs_dp_cmd_get(struct sk_buff *skb, struct genl_info *info)
err = ovs_dp_cmd_fill_info(dp, reply, info->snd_portid,
info->snd_seq, 0, OVS_DP_CMD_NEW);
BUG_ON(err < 0);
- rcu_read_unlock();
+ ovs_unlock();
return genlmsg_reply(reply, info);
err_unlock_free:
- rcu_read_unlock();
+ ovs_unlock();
kfree_skb(reply);
return err;
}
@@ -1581,8 +1581,8 @@ static int ovs_dp_cmd_dump(struct sk_buff *skb, struct netlink_callback *cb)
int skip = cb->args[0];
int i = 0;
- rcu_read_lock();
- list_for_each_entry_rcu(dp, &ovs_net->dps, list_node) {
+ ovs_lock();
+ list_for_each_entry(dp, &ovs_net->dps, list_node) {
if (i >= skip &&
ovs_dp_cmd_fill_info(dp, skb, NETLINK_CB(cb->skb).portid,
cb->nlh->nlmsg_seq, NLM_F_MULTI,
@@ -1590,7 +1590,7 @@ static int ovs_dp_cmd_dump(struct sk_buff *skb, struct netlink_callback *cb)
break;
i++;
}
- rcu_read_unlock();
+ ovs_unlock();
cb->args[0] = i;
diff --git a/net/openvswitch/flow_netlink.c b/net/openvswitch/flow_netlink.c
index 939bcb32100f..089b195c064a 100644
--- a/net/openvswitch/flow_netlink.c
+++ b/net/openvswitch/flow_netlink.c
@@ -145,7 +145,7 @@ static bool match_validate(const struct sw_flow_match *match,
if (match->key->eth.type == htons(ETH_P_ARP)
|| match->key->eth.type == htons(ETH_P_RARP)) {
key_expected |= 1 << OVS_KEY_ATTR_ARP;
- if (match->mask && (match->mask->key.eth.type == htons(0xffff)))
+ if (match->mask && (match->mask->key.tp.src == htons(0xff)))
mask_allowed |= 1 << OVS_KEY_ATTR_ARP;
}
@@ -689,6 +689,13 @@ static int ovs_key_from_nlattrs(struct sw_flow_match *match, u64 attrs,
ipv6_key->ipv6_frag, OVS_FRAG_TYPE_MAX);
return -EINVAL;
}
+
+ if (!is_mask && ipv6_key->ipv6_label & htonl(0xFFF00000)) {
+ OVS_NLERR("IPv6 flow label %x is out of range (max=%x).\n",
+ ntohl(ipv6_key->ipv6_label), (1 << 20) - 1);
+ return -EINVAL;
+ }
+
SW_FLOW_KEY_PUT(match, ipv6.label,
ipv6_key->ipv6_label, is_mask);
SW_FLOW_KEY_PUT(match, ip.proto,
diff --git a/sound/pci/hda/patch_realtek.c b/sound/pci/hda/patch_realtek.c
index 172395465e8a..8fea1b86df25 100644
--- a/sound/pci/hda/patch_realtek.c
+++ b/sound/pci/hda/patch_realtek.c
@@ -4520,6 +4520,8 @@ static const struct hda_fixup alc269_fixups[] = {
[ALC269_FIXUP_HEADSET_MODE] = {
.type = HDA_FIXUP_FUNC,
.v.func = alc_fixup_headset_mode,
+ .chained = true,
+ .chain_id = ALC255_FIXUP_DELL_WMI_MIC_MUTE_LED
},
[ALC269_FIXUP_HEADSET_MODE_NO_HP_MIC] = {
.type = HDA_FIXUP_FUNC,
@@ -4709,6 +4711,8 @@ static const struct hda_fixup alc269_fixups[] = {
[ALC255_FIXUP_HEADSET_MODE] = {
.type = HDA_FIXUP_FUNC,
.v.func = alc_fixup_headset_mode_alc255,
+ .chained = true,
+ .chain_id = ALC255_FIXUP_DELL_WMI_MIC_MUTE_LED
},
[ALC255_FIXUP_HEADSET_MODE_NO_HP_MIC] = {
.type = HDA_FIXUP_FUNC,
@@ -4744,8 +4748,6 @@ static const struct hda_fixup alc269_fixups[] = {
[ALC255_FIXUP_DELL_WMI_MIC_MUTE_LED] = {
.type = HDA_FIXUP_FUNC,
.v.func = alc_fixup_dell_wmi,
- .chained_before = true,
- .chain_id = ALC255_FIXUP_DELL1_MIC_NO_PRESENCE
},
[ALC282_FIXUP_ASPIRE_V5_PINS] = {
.type = HDA_FIXUP_PINS,
@@ -4783,10 +4785,8 @@ static const struct snd_pci_quirk alc269_fixup_tbl[] = {
SND_PCI_QUIRK(0x1028, 0x05f4, "Dell", ALC269_FIXUP_DELL1_MIC_NO_PRESENCE),
SND_PCI_QUIRK(0x1028, 0x05f5, "Dell", ALC269_FIXUP_DELL1_MIC_NO_PRESENCE),
SND_PCI_QUIRK(0x1028, 0x05f6, "Dell", ALC269_FIXUP_DELL1_MIC_NO_PRESENCE),
- SND_PCI_QUIRK(0x1028, 0x0610, "Dell", ALC255_FIXUP_DELL_WMI_MIC_MUTE_LED),
SND_PCI_QUIRK(0x1028, 0x0615, "Dell Vostro 5470", ALC290_FIXUP_SUBWOOFER_HSJACK),
SND_PCI_QUIRK(0x1028, 0x0616, "Dell Vostro 5470", ALC290_FIXUP_SUBWOOFER_HSJACK),
- SND_PCI_QUIRK(0x1028, 0x061f, "Dell", ALC255_FIXUP_DELL_WMI_MIC_MUTE_LED),
SND_PCI_QUIRK(0x1028, 0x0638, "Dell Inspiron 5439", ALC290_FIXUP_MONO_SPEAKERS_HSJACK),
SND_PCI_QUIRK(0x1028, 0x064a, "Dell", ALC293_FIXUP_DELL1_MIC_NO_PRESENCE),
SND_PCI_QUIRK(0x1028, 0x064b, "Dell", ALC293_FIXUP_DELL1_MIC_NO_PRESENCE),
diff --git a/sound/soc/codecs/cs42l51-i2c.c b/sound/soc/codecs/cs42l51-i2c.c
index cee51ae177c1..c40428f25ba5 100644
--- a/sound/soc/codecs/cs42l51-i2c.c
+++ b/sound/soc/codecs/cs42l51-i2c.c
@@ -46,6 +46,7 @@ static struct i2c_driver cs42l51_i2c_driver = {
.driver = {
.name = "cs42l51",
.owner = THIS_MODULE,
+ .of_match_table = cs42l51_of_match,
},
.probe = cs42l51_i2c_probe,
.remove = cs42l51_i2c_remove,
diff --git a/sound/soc/codecs/cs42l51.c b/sound/soc/codecs/cs42l51.c
index 09488d97de60..669c38fc3034 100644
--- a/sound/soc/codecs/cs42l51.c
+++ b/sound/soc/codecs/cs42l51.c
@@ -558,11 +558,13 @@ error:
}
EXPORT_SYMBOL_GPL(cs42l51_probe);
-static const struct of_device_id cs42l51_of_match[] = {
+const struct of_device_id cs42l51_of_match[] = {
{ .compatible = "cirrus,cs42l51", },
{ }
};
MODULE_DEVICE_TABLE(of, cs42l51_of_match);
+EXPORT_SYMBOL_GPL(cs42l51_of_match);
+
MODULE_AUTHOR("Arnaud Patard <arnaud.patard@rtp-net.org>");
MODULE_DESCRIPTION("Cirrus Logic CS42L51 ALSA SoC Codec Driver");
MODULE_LICENSE("GPL");
diff --git a/sound/soc/codecs/cs42l51.h b/sound/soc/codecs/cs42l51.h
index 8c55bf384bc6..0ca805492ac4 100644
--- a/sound/soc/codecs/cs42l51.h
+++ b/sound/soc/codecs/cs42l51.h
@@ -22,6 +22,7 @@ struct device;
extern const struct regmap_config cs42l51_regmap;
int cs42l51_probe(struct device *dev, struct regmap *regmap);
+extern const struct of_device_id cs42l51_of_match[];
#define CS42L51_CHIP_ID 0x1B
#define CS42L51_CHIP_REV_A 0x00
diff --git a/sound/soc/codecs/es8328-i2c.c b/sound/soc/codecs/es8328-i2c.c
index aae410d122ee..2d05b5d3a6ce 100644
--- a/sound/soc/codecs/es8328-i2c.c
+++ b/sound/soc/codecs/es8328-i2c.c
@@ -19,7 +19,7 @@
#include "es8328.h"
static const struct i2c_device_id es8328_id[] = {
- { "everest,es8328", 0 },
+ { "es8328", 0 },
{ }
};
MODULE_DEVICE_TABLE(i2c, es8328_id);
diff --git a/sound/soc/codecs/max98090.c b/sound/soc/codecs/max98090.c
index d519294f57c7..1229554f1464 100644
--- a/sound/soc/codecs/max98090.c
+++ b/sound/soc/codecs/max98090.c
@@ -1941,13 +1941,13 @@ static int max98090_dai_set_sysclk(struct snd_soc_dai *dai,
* 0x02 (when master clk is 20MHz to 40MHz)..
* 0x03 (when master clk is 40MHz to 60MHz)..
*/
- if ((freq >= 10000000) && (freq < 20000000)) {
+ if ((freq >= 10000000) && (freq <= 20000000)) {
snd_soc_write(codec, M98090_REG_SYSTEM_CLOCK,
M98090_PSCLK_DIV1);
- } else if ((freq >= 20000000) && (freq < 40000000)) {
+ } else if ((freq > 20000000) && (freq <= 40000000)) {
snd_soc_write(codec, M98090_REG_SYSTEM_CLOCK,
M98090_PSCLK_DIV2);
- } else if ((freq >= 40000000) && (freq < 60000000)) {
+ } else if ((freq > 40000000) && (freq <= 60000000)) {
snd_soc_write(codec, M98090_REG_SYSTEM_CLOCK,
M98090_PSCLK_DIV4);
} else {
diff --git a/sound/soc/codecs/rt5645.c b/sound/soc/codecs/rt5645.c
index 3fb83bf09768..d16331e0b64d 100644
--- a/sound/soc/codecs/rt5645.c
+++ b/sound/soc/codecs/rt5645.c
@@ -139,6 +139,7 @@ static const struct reg_default rt5645_reg[] = {
{ 0x76, 0x000a },
{ 0x77, 0x0c00 },
{ 0x78, 0x0000 },
+ { 0x79, 0x0123 },
{ 0x80, 0x0000 },
{ 0x81, 0x0000 },
{ 0x82, 0x0000 },
@@ -334,6 +335,7 @@ static bool rt5645_readable_register(struct device *dev, unsigned int reg)
case RT5645_DMIC_CTRL2:
case RT5645_TDM_CTRL_1:
case RT5645_TDM_CTRL_2:
+ case RT5645_TDM_CTRL_3:
case RT5645_GLB_CLK:
case RT5645_PLL_CTRL1:
case RT5645_PLL_CTRL2:
diff --git a/sound/soc/codecs/rt5670.c b/sound/soc/codecs/rt5670.c
index ba9d9b4d4857..9bd8b4f63303 100644
--- a/sound/soc/codecs/rt5670.c
+++ b/sound/soc/codecs/rt5670.c
@@ -100,18 +100,18 @@ static const struct reg_default rt5670_reg[] = {
{ 0x4c, 0x5380 },
{ 0x4f, 0x0073 },
{ 0x52, 0x00d3 },
- { 0x53, 0xf0f0 },
+ { 0x53, 0xf000 },
{ 0x61, 0x0000 },
{ 0x62, 0x0001 },
{ 0x63, 0x00c3 },
{ 0x64, 0x0000 },
- { 0x65, 0x0000 },
+ { 0x65, 0x0001 },
{ 0x66, 0x0000 },
{ 0x6f, 0x8000 },
{ 0x70, 0x8000 },
{ 0x71, 0x8000 },
{ 0x72, 0x8000 },
- { 0x73, 0x1110 },
+ { 0x73, 0x7770 },
{ 0x74, 0x0e00 },
{ 0x75, 0x1505 },
{ 0x76, 0x0015 },
@@ -125,21 +125,21 @@ static const struct reg_default rt5670_reg[] = {
{ 0x83, 0x0000 },
{ 0x84, 0x0000 },
{ 0x85, 0x0000 },
- { 0x86, 0x0008 },
+ { 0x86, 0x0004 },
{ 0x87, 0x0000 },
{ 0x88, 0x0000 },
{ 0x89, 0x0000 },
{ 0x8a, 0x0000 },
{ 0x8b, 0x0000 },
- { 0x8c, 0x0007 },
+ { 0x8c, 0x0003 },
{ 0x8d, 0x0000 },
{ 0x8e, 0x0004 },
{ 0x8f, 0x1100 },
{ 0x90, 0x0646 },
{ 0x91, 0x0c06 },
{ 0x93, 0x0000 },
- { 0x94, 0x0000 },
- { 0x95, 0x0000 },
+ { 0x94, 0x1270 },
+ { 0x95, 0x1000 },
{ 0x97, 0x0000 },
{ 0x98, 0x0000 },
{ 0x99, 0x0000 },
@@ -150,11 +150,11 @@ static const struct reg_default rt5670_reg[] = {
{ 0x9e, 0x0400 },
{ 0xae, 0x7000 },
{ 0xaf, 0x0000 },
- { 0xb0, 0x6000 },
+ { 0xb0, 0x7000 },
{ 0xb1, 0x0000 },
{ 0xb2, 0x0000 },
{ 0xb3, 0x001f },
- { 0xb4, 0x2206 },
+ { 0xb4, 0x220c },
{ 0xb5, 0x1f00 },
{ 0xb6, 0x0000 },
{ 0xb7, 0x0000 },
@@ -171,25 +171,25 @@ static const struct reg_default rt5670_reg[] = {
{ 0xcf, 0x1813 },
{ 0xd0, 0x0690 },
{ 0xd1, 0x1c17 },
- { 0xd3, 0xb320 },
+ { 0xd3, 0xa220 },
{ 0xd4, 0x0000 },
{ 0xd6, 0x0400 },
{ 0xd9, 0x0809 },
{ 0xda, 0x0000 },
{ 0xdb, 0x0001 },
{ 0xdc, 0x0049 },
- { 0xdd, 0x0009 },
+ { 0xdd, 0x0024 },
{ 0xe6, 0x8000 },
{ 0xe7, 0x0000 },
- { 0xec, 0xb300 },
+ { 0xec, 0xa200 },
{ 0xed, 0x0000 },
- { 0xee, 0xb300 },
+ { 0xee, 0xa200 },
{ 0xef, 0x0000 },
{ 0xf8, 0x0000 },
{ 0xf9, 0x0000 },
{ 0xfa, 0x8010 },
{ 0xfb, 0x0033 },
- { 0xfc, 0x0080 },
+ { 0xfc, 0x0100 },
};
static bool rt5670_volatile_register(struct device *dev, unsigned int reg)
@@ -1877,6 +1877,10 @@ static const struct snd_soc_dapm_route rt5670_dapm_routes[] = {
{ "DAC1 MIXR", "DAC1 Switch", "DAC1 R Mux" },
{ "DAC1 MIXR", NULL, "DAC Stereo1 Filter" },
+ { "DAC Stereo1 Filter", NULL, "PLL1", is_sys_clk_from_pll },
+ { "DAC Mono Left Filter", NULL, "PLL1", is_sys_clk_from_pll },
+ { "DAC Mono Right Filter", NULL, "PLL1", is_sys_clk_from_pll },
+
{ "DAC MIX", NULL, "DAC1 MIXL" },
{ "DAC MIX", NULL, "DAC1 MIXR" },
@@ -1926,14 +1930,10 @@ static const struct snd_soc_dapm_route rt5670_dapm_routes[] = {
{ "DAC L1", NULL, "DAC L1 Power" },
{ "DAC L1", NULL, "Stereo DAC MIXL" },
- { "DAC L1", NULL, "PLL1", is_sys_clk_from_pll },
{ "DAC R1", NULL, "DAC R1 Power" },
{ "DAC R1", NULL, "Stereo DAC MIXR" },
- { "DAC R1", NULL, "PLL1", is_sys_clk_from_pll },
{ "DAC L2", NULL, "Mono DAC MIXL" },
- { "DAC L2", NULL, "PLL1", is_sys_clk_from_pll },
{ "DAC R2", NULL, "Mono DAC MIXR" },
- { "DAC R2", NULL, "PLL1", is_sys_clk_from_pll },
{ "OUT MIXL", "BST1 Switch", "BST1" },
{ "OUT MIXL", "INL Switch", "INL VOL" },
diff --git a/sound/soc/codecs/sgtl5000.c b/sound/soc/codecs/sgtl5000.c
index 6bb77d76561b..dab9b15304af 100644
--- a/sound/soc/codecs/sgtl5000.c
+++ b/sound/soc/codecs/sgtl5000.c
@@ -1299,8 +1299,7 @@ static int sgtl5000_probe(struct snd_soc_codec *codec)
/* enable small pop, introduce 400ms delay in turning off */
snd_soc_update_bits(codec, SGTL5000_CHIP_REF_CTRL,
- SGTL5000_SMALL_POP,
- SGTL5000_SMALL_POP);
+ SGTL5000_SMALL_POP, 1);
/* disable short cut detector */
snd_soc_write(codec, SGTL5000_CHIP_SHORT_CTRL, 0);
diff --git a/sound/soc/codecs/sgtl5000.h b/sound/soc/codecs/sgtl5000.h
index 2f8c88931f69..bd7a344bf8c5 100644
--- a/sound/soc/codecs/sgtl5000.h
+++ b/sound/soc/codecs/sgtl5000.h
@@ -275,7 +275,7 @@
#define SGTL5000_BIAS_CTRL_MASK 0x000e
#define SGTL5000_BIAS_CTRL_SHIFT 1
#define SGTL5000_BIAS_CTRL_WIDTH 3
-#define SGTL5000_SMALL_POP 0x0001
+#define SGTL5000_SMALL_POP 0
/*
* SGTL5000_CHIP_MIC_CTRL
diff --git a/sound/soc/codecs/wm_adsp.c b/sound/soc/codecs/wm_adsp.c
index f412a9911a75..67124783558a 100644
--- a/sound/soc/codecs/wm_adsp.c
+++ b/sound/soc/codecs/wm_adsp.c
@@ -1355,6 +1355,7 @@ static int wm_adsp_load_coeff(struct wm_adsp *dsp)
file, blocks, pos - firmware->size);
out_fw:
+ regmap_async_complete(regmap);
release_firmware(firmware);
wm_adsp_buf_free(&buf_list);
out:
diff --git a/sound/soc/fsl/fsl_asrc.c b/sound/soc/fsl/fsl_asrc.c
index ed866e9a2928..9deabdd2b1a2 100644
--- a/sound/soc/fsl/fsl_asrc.c
+++ b/sound/soc/fsl/fsl_asrc.c
@@ -684,12 +684,38 @@ static bool fsl_asrc_writeable_reg(struct device *dev, unsigned int reg)
}
}
+static struct reg_default fsl_asrc_reg[] = {
+ { REG_ASRCTR, 0x0000 }, { REG_ASRIER, 0x0000 },
+ { REG_ASRCNCR, 0x0000 }, { REG_ASRCFG, 0x0000 },
+ { REG_ASRCSR, 0x0000 }, { REG_ASRCDR1, 0x0000 },
+ { REG_ASRCDR2, 0x0000 }, { REG_ASRSTR, 0x0000 },
+ { REG_ASRRA, 0x0000 }, { REG_ASRRB, 0x0000 },
+ { REG_ASRRC, 0x0000 }, { REG_ASRPM1, 0x0000 },
+ { REG_ASRPM2, 0x0000 }, { REG_ASRPM3, 0x0000 },
+ { REG_ASRPM4, 0x0000 }, { REG_ASRPM5, 0x0000 },
+ { REG_ASRTFR1, 0x0000 }, { REG_ASRCCR, 0x0000 },
+ { REG_ASRDIA, 0x0000 }, { REG_ASRDOA, 0x0000 },
+ { REG_ASRDIB, 0x0000 }, { REG_ASRDOB, 0x0000 },
+ { REG_ASRDIC, 0x0000 }, { REG_ASRDOC, 0x0000 },
+ { REG_ASRIDRHA, 0x0000 }, { REG_ASRIDRLA, 0x0000 },
+ { REG_ASRIDRHB, 0x0000 }, { REG_ASRIDRLB, 0x0000 },
+ { REG_ASRIDRHC, 0x0000 }, { REG_ASRIDRLC, 0x0000 },
+ { REG_ASR76K, 0x0A47 }, { REG_ASR56K, 0x0DF3 },
+ { REG_ASRMCRA, 0x0000 }, { REG_ASRFSTA, 0x0000 },
+ { REG_ASRMCRB, 0x0000 }, { REG_ASRFSTB, 0x0000 },
+ { REG_ASRMCRC, 0x0000 }, { REG_ASRFSTC, 0x0000 },
+ { REG_ASRMCR1A, 0x0000 }, { REG_ASRMCR1B, 0x0000 },
+ { REG_ASRMCR1C, 0x0000 },
+};
+
static const struct regmap_config fsl_asrc_regmap_config = {
.reg_bits = 32,
.reg_stride = 4,
.val_bits = 32,
.max_register = REG_ASRMCR1C,
+ .reg_defaults = fsl_asrc_reg,
+ .num_reg_defaults = ARRAY_SIZE(fsl_asrc_reg),
.readable_reg = fsl_asrc_readable_reg,
.volatile_reg = fsl_asrc_volatile_reg,
.writeable_reg = fsl_asrc_writeable_reg,
diff --git a/sound/soc/rockchip/rockchip_i2s.c b/sound/soc/rockchip/rockchip_i2s.c
index f373e37f8305..c74ba37f862c 100644
--- a/sound/soc/rockchip/rockchip_i2s.c
+++ b/sound/soc/rockchip/rockchip_i2s.c
@@ -154,8 +154,10 @@ static void rockchip_snd_rxctrl(struct rk_i2s_dev *i2s, int on)
while (val) {
regmap_read(i2s->regmap, I2S_CLR, &val);
retry--;
- if (!retry)
+ if (!retry) {
dev_warn(i2s->dev, "fail to clear\n");
+ break;
+ }
}
}
}
diff --git a/sound/soc/samsung/snow.c b/sound/soc/samsung/snow.c
index 0acf5d0eed53..72118a77dd5b 100644
--- a/sound/soc/samsung/snow.c
+++ b/sound/soc/samsung/snow.c
@@ -110,6 +110,7 @@ static const struct of_device_id snow_of_match[] = {
{ .compatible = "google,snow-audio-max98095", },
{},
};
+MODULE_DEVICE_TABLE(of, snow_of_match);
static struct platform_driver snow_driver = {
.driver = {
diff --git a/sound/soc/sh/fsi.c b/sound/soc/sh/fsi.c
index 66fddec9543d..88e5df474ccf 100644
--- a/sound/soc/sh/fsi.c
+++ b/sound/soc/sh/fsi.c
@@ -1711,8 +1711,7 @@ static const struct snd_soc_dai_ops fsi_dai_ops = {
static struct snd_pcm_hardware fsi_pcm_hardware = {
.info = SNDRV_PCM_INFO_INTERLEAVED |
SNDRV_PCM_INFO_MMAP |
- SNDRV_PCM_INFO_MMAP_VALID |
- SNDRV_PCM_INFO_PAUSE,
+ SNDRV_PCM_INFO_MMAP_VALID,
.buffer_bytes_max = 64 * 1024,
.period_bytes_min = 32,
.period_bytes_max = 8192,
diff --git a/sound/soc/sh/rcar/core.c b/sound/soc/sh/rcar/core.c
index 1922ec57d10a..70042197f9e2 100644
--- a/sound/soc/sh/rcar/core.c
+++ b/sound/soc/sh/rcar/core.c
@@ -886,8 +886,7 @@ static int rsnd_dai_probe(struct platform_device *pdev,
static struct snd_pcm_hardware rsnd_pcm_hardware = {
.info = SNDRV_PCM_INFO_INTERLEAVED |
SNDRV_PCM_INFO_MMAP |
- SNDRV_PCM_INFO_MMAP_VALID |
- SNDRV_PCM_INFO_PAUSE,
+ SNDRV_PCM_INFO_MMAP_VALID,
.buffer_bytes_max = 64 * 1024,
.period_bytes_min = 32,
.period_bytes_max = 8192,
diff --git a/sound/soc/soc-core.c b/sound/soc/soc-core.c
index 4c8f8a23a0e9..b60ff56ebc0f 100644
--- a/sound/soc/soc-core.c
+++ b/sound/soc/soc-core.c
@@ -884,7 +884,7 @@ static struct snd_soc_dai *snd_soc_find_dai(
list_for_each_entry(component, &component_list, list) {
if (dlc->of_node && component->dev->of_node != dlc->of_node)
continue;
- if (dlc->name && strcmp(dev_name(component->dev), dlc->name))
+ if (dlc->name && strcmp(component->name, dlc->name))
continue;
list_for_each_entry(dai, &component->dai_list, list) {
if (dlc->dai_name && strcmp(dai->name, dlc->dai_name))
diff --git a/sound/soc/soc-pcm.c b/sound/soc/soc-pcm.c
index 002311afdeaa..57277dd79e11 100644
--- a/sound/soc/soc-pcm.c
+++ b/sound/soc/soc-pcm.c
@@ -1522,13 +1522,36 @@ static void dpcm_set_fe_runtime(struct snd_pcm_substream *substream)
dpcm_init_runtime_hw(runtime, &cpu_dai_drv->capture);
}
+static int dpcm_fe_dai_do_trigger(struct snd_pcm_substream *substream, int cmd);
+
+/* Set FE's runtime_update state; the state is protected via PCM stream lock
+ * for avoiding the race with trigger callback.
+ * If the state is unset and a trigger is pending while the previous operation,
+ * process the pending trigger action here.
+ */
+static void dpcm_set_fe_update_state(struct snd_soc_pcm_runtime *fe,
+ int stream, enum snd_soc_dpcm_update state)
+{
+ struct snd_pcm_substream *substream =
+ snd_soc_dpcm_get_substream(fe, stream);
+
+ snd_pcm_stream_lock_irq(substream);
+ if (state == SND_SOC_DPCM_UPDATE_NO && fe->dpcm[stream].trigger_pending) {
+ dpcm_fe_dai_do_trigger(substream,
+ fe->dpcm[stream].trigger_pending - 1);
+ fe->dpcm[stream].trigger_pending = 0;
+ }
+ fe->dpcm[stream].runtime_update = state;
+ snd_pcm_stream_unlock_irq(substream);
+}
+
static int dpcm_fe_dai_startup(struct snd_pcm_substream *fe_substream)
{
struct snd_soc_pcm_runtime *fe = fe_substream->private_data;
struct snd_pcm_runtime *runtime = fe_substream->runtime;
int stream = fe_substream->stream, ret = 0;
- fe->dpcm[stream].runtime_update = SND_SOC_DPCM_UPDATE_FE;
+ dpcm_set_fe_update_state(fe, stream, SND_SOC_DPCM_UPDATE_FE);
ret = dpcm_be_dai_startup(fe, fe_substream->stream);
if (ret < 0) {
@@ -1550,13 +1573,13 @@ static int dpcm_fe_dai_startup(struct snd_pcm_substream *fe_substream)
dpcm_set_fe_runtime(fe_substream);
snd_pcm_limit_hw_rates(runtime);
- fe->dpcm[stream].runtime_update = SND_SOC_DPCM_UPDATE_NO;
+ dpcm_set_fe_update_state(fe, stream, SND_SOC_DPCM_UPDATE_NO);
return 0;
unwind:
dpcm_be_dai_startup_unwind(fe, fe_substream->stream);
be_err:
- fe->dpcm[stream].runtime_update = SND_SOC_DPCM_UPDATE_NO;
+ dpcm_set_fe_update_state(fe, stream, SND_SOC_DPCM_UPDATE_NO);
return ret;
}
@@ -1603,7 +1626,7 @@ static int dpcm_fe_dai_shutdown(struct snd_pcm_substream *substream)
struct snd_soc_pcm_runtime *fe = substream->private_data;
int stream = substream->stream;
- fe->dpcm[stream].runtime_update = SND_SOC_DPCM_UPDATE_FE;
+ dpcm_set_fe_update_state(fe, stream, SND_SOC_DPCM_UPDATE_FE);
/* shutdown the BEs */
dpcm_be_dai_shutdown(fe, substream->stream);
@@ -1617,7 +1640,7 @@ static int dpcm_fe_dai_shutdown(struct snd_pcm_substream *substream)
dpcm_dapm_stream_event(fe, stream, SND_SOC_DAPM_STREAM_STOP);
fe->dpcm[stream].state = SND_SOC_DPCM_STATE_CLOSE;
- fe->dpcm[stream].runtime_update = SND_SOC_DPCM_UPDATE_NO;
+ dpcm_set_fe_update_state(fe, stream, SND_SOC_DPCM_UPDATE_NO);
return 0;
}
@@ -1665,7 +1688,7 @@ static int dpcm_fe_dai_hw_free(struct snd_pcm_substream *substream)
int err, stream = substream->stream;
mutex_lock_nested(&fe->card->mutex, SND_SOC_CARD_CLASS_RUNTIME);
- fe->dpcm[stream].runtime_update = SND_SOC_DPCM_UPDATE_FE;
+ dpcm_set_fe_update_state(fe, stream, SND_SOC_DPCM_UPDATE_FE);
dev_dbg(fe->dev, "ASoC: hw_free FE %s\n", fe->dai_link->name);
@@ -1680,7 +1703,7 @@ static int dpcm_fe_dai_hw_free(struct snd_pcm_substream *substream)
err = dpcm_be_dai_hw_free(fe, stream);
fe->dpcm[stream].state = SND_SOC_DPCM_STATE_HW_FREE;
- fe->dpcm[stream].runtime_update = SND_SOC_DPCM_UPDATE_NO;
+ dpcm_set_fe_update_state(fe, stream, SND_SOC_DPCM_UPDATE_NO);
mutex_unlock(&fe->card->mutex);
return 0;
@@ -1773,7 +1796,7 @@ static int dpcm_fe_dai_hw_params(struct snd_pcm_substream *substream,
int ret, stream = substream->stream;
mutex_lock_nested(&fe->card->mutex, SND_SOC_CARD_CLASS_RUNTIME);
- fe->dpcm[stream].runtime_update = SND_SOC_DPCM_UPDATE_FE;
+ dpcm_set_fe_update_state(fe, stream, SND_SOC_DPCM_UPDATE_FE);
memcpy(&fe->dpcm[substream->stream].hw_params, params,
sizeof(struct snd_pcm_hw_params));
@@ -1796,7 +1819,7 @@ static int dpcm_fe_dai_hw_params(struct snd_pcm_substream *substream,
fe->dpcm[stream].state = SND_SOC_DPCM_STATE_HW_PARAMS;
out:
- fe->dpcm[stream].runtime_update = SND_SOC_DPCM_UPDATE_NO;
+ dpcm_set_fe_update_state(fe, stream, SND_SOC_DPCM_UPDATE_NO);
mutex_unlock(&fe->card->mutex);
return ret;
}
@@ -1910,7 +1933,7 @@ int dpcm_be_dai_trigger(struct snd_soc_pcm_runtime *fe, int stream,
}
EXPORT_SYMBOL_GPL(dpcm_be_dai_trigger);
-static int dpcm_fe_dai_trigger(struct snd_pcm_substream *substream, int cmd)
+static int dpcm_fe_dai_do_trigger(struct snd_pcm_substream *substream, int cmd)
{
struct snd_soc_pcm_runtime *fe = substream->private_data;
int stream = substream->stream, ret;
@@ -1984,6 +2007,23 @@ out:
return ret;
}
+static int dpcm_fe_dai_trigger(struct snd_pcm_substream *substream, int cmd)
+{
+ struct snd_soc_pcm_runtime *fe = substream->private_data;
+ int stream = substream->stream;
+
+ /* if FE's runtime_update is already set, we're in race;
+ * process this trigger later at exit
+ */
+ if (fe->dpcm[stream].runtime_update != SND_SOC_DPCM_UPDATE_NO) {
+ fe->dpcm[stream].trigger_pending = cmd + 1;
+ return 0; /* delayed, assuming it's successful */
+ }
+
+ /* we're alone, let's trigger */
+ return dpcm_fe_dai_do_trigger(substream, cmd);
+}
+
int dpcm_be_dai_prepare(struct snd_soc_pcm_runtime *fe, int stream)
{
struct snd_soc_dpcm *dpcm;
@@ -2027,7 +2067,7 @@ static int dpcm_fe_dai_prepare(struct snd_pcm_substream *substream)
dev_dbg(fe->dev, "ASoC: prepare FE %s\n", fe->dai_link->name);
- fe->dpcm[stream].runtime_update = SND_SOC_DPCM_UPDATE_FE;
+ dpcm_set_fe_update_state(fe, stream, SND_SOC_DPCM_UPDATE_FE);
/* there is no point preparing this FE if there are no BEs */
if (list_empty(&fe->dpcm[stream].be_clients)) {
@@ -2054,7 +2094,7 @@ static int dpcm_fe_dai_prepare(struct snd_pcm_substream *substream)
fe->dpcm[stream].state = SND_SOC_DPCM_STATE_PREPARE;
out:
- fe->dpcm[stream].runtime_update = SND_SOC_DPCM_UPDATE_NO;
+ dpcm_set_fe_update_state(fe, stream, SND_SOC_DPCM_UPDATE_NO);
mutex_unlock(&fe->card->mutex);
return ret;
@@ -2201,11 +2241,11 @@ static int dpcm_run_new_update(struct snd_soc_pcm_runtime *fe, int stream)
{
int ret;
- fe->dpcm[stream].runtime_update = SND_SOC_DPCM_UPDATE_BE;
+ dpcm_set_fe_update_state(fe, stream, SND_SOC_DPCM_UPDATE_BE);
ret = dpcm_run_update_startup(fe, stream);
if (ret < 0)
dev_err(fe->dev, "ASoC: failed to startup some BEs\n");
- fe->dpcm[stream].runtime_update = SND_SOC_DPCM_UPDATE_NO;
+ dpcm_set_fe_update_state(fe, stream, SND_SOC_DPCM_UPDATE_NO);
return ret;
}
@@ -2214,11 +2254,11 @@ static int dpcm_run_old_update(struct snd_soc_pcm_runtime *fe, int stream)
{
int ret;
- fe->dpcm[stream].runtime_update = SND_SOC_DPCM_UPDATE_BE;
+ dpcm_set_fe_update_state(fe, stream, SND_SOC_DPCM_UPDATE_BE);
ret = dpcm_run_update_shutdown(fe, stream);
if (ret < 0)
dev_err(fe->dev, "ASoC: failed to shutdown some BEs\n");
- fe->dpcm[stream].runtime_update = SND_SOC_DPCM_UPDATE_NO;
+ dpcm_set_fe_update_state(fe, stream, SND_SOC_DPCM_UPDATE_NO);
return ret;
}
diff --git a/sound/usb/mixer.c b/sound/usb/mixer.c
index 2e4a9dbc51fa..6e354d326858 100644
--- a/sound/usb/mixer.c
+++ b/sound/usb/mixer.c
@@ -2033,10 +2033,11 @@ static int parse_audio_selector_unit(struct mixer_build *state, int unitid,
cval->res = 1;
cval->initialized = 1;
- if (desc->bDescriptorSubtype == UAC2_CLOCK_SELECTOR)
- cval->control = UAC2_CX_CLOCK_SELECTOR;
- else
+ if (state->mixer->protocol == UAC_VERSION_1)
cval->control = 0;
+ else /* UAC_VERSION_2 */
+ cval->control = (desc->bDescriptorSubtype == UAC2_CLOCK_SELECTOR) ?
+ UAC2_CX_CLOCK_SELECTOR : UAC2_SU_SELECTOR;
namelist = kmalloc(sizeof(char *) * desc->bNrInPins, GFP_KERNEL);
if (!namelist) {
diff --git a/sound/usb/quirks.c b/sound/usb/quirks.c
index d2aa45a8d895..a5941f80fc5b 100644
--- a/sound/usb/quirks.c
+++ b/sound/usb/quirks.c
@@ -1146,6 +1146,20 @@ void snd_usb_ctl_msg_quirk(struct usb_device *dev, unsigned int pipe,
if ((le16_to_cpu(dev->descriptor.idVendor) == 0x23ba) &&
(requesttype & USB_TYPE_MASK) == USB_TYPE_CLASS)
mdelay(20);
+
+ /* Marantz/Denon devices with USB DAC functionality need a delay
+ * after each class compliant request
+ */
+ if ((le16_to_cpu(dev->descriptor.idVendor) == 0x154e) &&
+ (requesttype & USB_TYPE_MASK) == USB_TYPE_CLASS) {
+
+ switch (le16_to_cpu(dev->descriptor.idProduct)) {
+ case 0x3005: /* Marantz HD-DAC1 */
+ case 0x3006: /* Marantz SA-14S1 */
+ mdelay(20);
+ break;
+ }
+ }
}
/*