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authorDavid S. Miller <davem@davemloft.net>2021-07-23 17:59:46 +0300
committerDavid S. Miller <davem@davemloft.net>2021-07-23 18:13:06 +0300
commit5af84df962dd6699e3972fda7a0c8b579fb3ab04 (patch)
tree0a66f54c99c0c0d22588304d030ecb752487dfa1 /arch
parent090597b4a9c1b81b03fd7cfb4ba458a0e7a78b31 (diff)
parent9f42f674a89200d4f465a7db6070e079f3c6145f (diff)
downloadlinux-5af84df962dd6699e3972fda7a0c8b579fb3ab04.tar.xz
Merge git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net
Conflicts are simple overlapping changes. Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'arch')
-rw-r--r--arch/arm/Kconfig2
-rw-r--r--arch/arm/boot/dts/aspeed-bmc-asrock-e3c246d4i.dts4
-rw-r--r--arch/arm/boot/dts/aspeed-bmc-ibm-everest.dts9
-rw-r--r--arch/arm/boot/dts/aspeed-bmc-ibm-rainier.dts5
-rw-r--r--arch/arm/boot/dts/aspeed-bmc-opp-tacoma.dts6
-rw-r--r--arch/arm/boot/dts/versatile-ab.dts5
-rw-r--r--arch/arm/boot/dts/versatile-pb.dts2
-rw-r--r--arch/arm/configs/integrator_defconfig5
-rw-r--r--arch/arm/configs/multi_v7_defconfig2
-rw-r--r--arch/arm/configs/realview_defconfig4
-rw-r--r--arch/arm/configs/shmobile_defconfig1
-rw-r--r--arch/arm/configs/u8500_defconfig5
-rw-r--r--arch/arm/configs/versatile_defconfig4
-rw-r--r--arch/arm/configs/vexpress_defconfig17
-rw-r--r--arch/arm64/Kconfig3
-rw-r--r--arch/arm64/boot/dts/nvidia/tegra194.dtsi13
-rw-r--r--arch/arm64/boot/dts/renesas/r9a07g044.dtsi4
-rw-r--r--arch/arm64/include/asm/cache.h2
-rw-r--r--arch/arm64/include/asm/smp_plat.h1
-rw-r--r--arch/arm64/kernel/Makefile2
-rw-r--r--arch/arm64/kernel/cpufeature.c1
-rw-r--r--arch/arm64/kernel/entry-common.c2
-rw-r--r--arch/arm64/kernel/mte.c15
-rw-r--r--arch/arm64/kernel/smccc-call.S9
-rw-r--r--arch/arm64/lib/copy_from_user.S13
-rw-r--r--arch/arm64/lib/copy_in_user.S21
-rw-r--r--arch/arm64/lib/copy_to_user.S14
-rw-r--r--arch/arm64/lib/strlen.S10
-rw-r--r--arch/arm64/mm/mmu.c20
-rw-r--r--arch/mips/include/asm/fpu.h2
-rw-r--r--arch/mips/mm/tlbex.c2
-rw-r--r--arch/powerpc/mm/nohash/8xx.c10
-rw-r--r--arch/powerpc/platforms/powermac/smp.c1
-rw-r--r--arch/s390/boot/text_dma.S19
-rw-r--r--arch/s390/configs/debug_defconfig27
-rw-r--r--arch/s390/configs/defconfig27
-rw-r--r--arch/s390/configs/zfcpdump_defconfig3
-rw-r--r--arch/s390/include/asm/ftrace.h1
-rw-r--r--arch/s390/kernel/ftrace.c2
-rw-r--r--arch/s390/kernel/mcount.S4
-rw-r--r--arch/s390/kernel/perf_cpum_cf.c2
-rw-r--r--arch/s390/kernel/uprobes.c1
-rw-r--r--arch/s390/kernel/vdso32/Makefile1
-rw-r--r--arch/s390/net/bpf_jit_comp.c2
-rw-r--r--arch/x86/kernel/cpu/mshyperv.c2
-rw-r--r--arch/x86/kvm/cpuid.c30
-rw-r--r--arch/x86/kvm/mmu/mmu.c2
-rw-r--r--arch/x86/kvm/mmu/paging.h14
-rw-r--r--arch/x86/kvm/mmu/paging_tmpl.h4
-rw-r--r--arch/x86/kvm/mmu/spte.h6
-rw-r--r--arch/x86/kvm/svm/nested.c53
-rw-r--r--arch/x86/kvm/svm/sev.c14
-rw-r--r--arch/x86/kvm/svm/svm.c77
-rw-r--r--arch/x86/kvm/svm/svm.h5
-rw-r--r--arch/x86/kvm/vmx/vmx.h2
-rw-r--r--arch/x86/kvm/x86.c5
-rw-r--r--arch/x86/mm/pgtable.c34
57 files changed, 357 insertions, 196 deletions
diff --git a/arch/arm/Kconfig b/arch/arm/Kconfig
index 3ea1c417339f..82f908fa5676 100644
--- a/arch/arm/Kconfig
+++ b/arch/arm/Kconfig
@@ -395,7 +395,7 @@ config ARCH_IXP4XX
select IXP4XX_IRQ
select IXP4XX_TIMER
# With the new PCI driver this is not needed
- select NEED_MACH_IO_H if PCI_IXP4XX_LEGACY
+ select NEED_MACH_IO_H if IXP4XX_PCI_LEGACY
select USB_EHCI_BIG_ENDIAN_DESC
select USB_EHCI_BIG_ENDIAN_MMIO
help
diff --git a/arch/arm/boot/dts/aspeed-bmc-asrock-e3c246d4i.dts b/arch/arm/boot/dts/aspeed-bmc-asrock-e3c246d4i.dts
index 33e413ca07e4..9b4cf5ebe6d5 100644
--- a/arch/arm/boot/dts/aspeed-bmc-asrock-e3c246d4i.dts
+++ b/arch/arm/boot/dts/aspeed-bmc-asrock-e3c246d4i.dts
@@ -4,6 +4,7 @@
#include "aspeed-g5.dtsi"
#include <dt-bindings/gpio/aspeed-gpio.h>
#include <dt-bindings/i2c/i2c.h>
+#include <dt-bindings/interrupt-controller/irq.h>
/{
model = "ASRock E3C246D4I BMC";
@@ -73,7 +74,8 @@
&vuart {
status = "okay";
- aspeed,sirq-active-high;
+ aspeed,lpc-io-reg = <0x2f8>;
+ aspeed,lpc-interrupts = <3 IRQ_TYPE_LEVEL_HIGH>;
};
&mac0 {
diff --git a/arch/arm/boot/dts/aspeed-bmc-ibm-everest.dts b/arch/arm/boot/dts/aspeed-bmc-ibm-everest.dts
index d26a9e16ff7c..aa24cac8e5be 100644
--- a/arch/arm/boot/dts/aspeed-bmc-ibm-everest.dts
+++ b/arch/arm/boot/dts/aspeed-bmc-ibm-everest.dts
@@ -406,14 +406,14 @@
reg = <0x69>;
};
- power-supply@6a {
+ power-supply@6b {
compatible = "ibm,cffps";
- reg = <0x6a>;
+ reg = <0x6b>;
};
- power-supply@6b {
+ power-supply@6d {
compatible = "ibm,cffps";
- reg = <0x6b>;
+ reg = <0x6d>;
};
};
@@ -2832,6 +2832,7 @@
&emmc {
status = "okay";
+ clk-phase-mmc-hs200 = <180>, <180>;
};
&fsim0 {
diff --git a/arch/arm/boot/dts/aspeed-bmc-ibm-rainier.dts b/arch/arm/boot/dts/aspeed-bmc-ibm-rainier.dts
index 941c0489479a..481d0ee1f85f 100644
--- a/arch/arm/boot/dts/aspeed-bmc-ibm-rainier.dts
+++ b/arch/arm/boot/dts/aspeed-bmc-ibm-rainier.dts
@@ -280,10 +280,7 @@
/*W0-W7*/ "","","","","","","","",
/*X0-X7*/ "","","","","","","","",
/*Y0-Y7*/ "","","","","","","","",
- /*Z0-Z7*/ "","","","","","","","",
- /*AA0-AA7*/ "","","","","","","","",
- /*AB0-AB7*/ "","","","","","","","",
- /*AC0-AC7*/ "","","","","","","","";
+ /*Z0-Z7*/ "","","","","","","","";
pin_mclr_vpp {
gpio-hog;
diff --git a/arch/arm/boot/dts/aspeed-bmc-opp-tacoma.dts b/arch/arm/boot/dts/aspeed-bmc-opp-tacoma.dts
index e863ec088970..e33153dcaea8 100644
--- a/arch/arm/boot/dts/aspeed-bmc-opp-tacoma.dts
+++ b/arch/arm/boot/dts/aspeed-bmc-opp-tacoma.dts
@@ -136,10 +136,7 @@
/*W0-W7*/ "","","","","","","","",
/*X0-X7*/ "","","","","","","","",
/*Y0-Y7*/ "","","","","","","","",
- /*Z0-Z7*/ "","","","","","","","",
- /*AA0-AA7*/ "","","","","","","","",
- /*AB0-AB7*/ "","","","","","","","",
- /*AC0-AC7*/ "","","","","","","","";
+ /*Z0-Z7*/ "","","","","","","","";
};
&fmc {
@@ -189,6 +186,7 @@
&emmc {
status = "okay";
+ clk-phase-mmc-hs200 = <36>, <270>;
};
&fsim0 {
diff --git a/arch/arm/boot/dts/versatile-ab.dts b/arch/arm/boot/dts/versatile-ab.dts
index 37bd41ff8dff..151c0220047d 100644
--- a/arch/arm/boot/dts/versatile-ab.dts
+++ b/arch/arm/boot/dts/versatile-ab.dts
@@ -195,16 +195,15 @@
#size-cells = <1>;
ranges;
- vic: intc@10140000 {
+ vic: interrupt-controller@10140000 {
compatible = "arm,versatile-vic";
interrupt-controller;
#interrupt-cells = <1>;
reg = <0x10140000 0x1000>;
- clear-mask = <0xffffffff>;
valid-mask = <0xffffffff>;
};
- sic: intc@10003000 {
+ sic: interrupt-controller@10003000 {
compatible = "arm,versatile-sic";
interrupt-controller;
#interrupt-cells = <1>;
diff --git a/arch/arm/boot/dts/versatile-pb.dts b/arch/arm/boot/dts/versatile-pb.dts
index 06a0fdf24026..e7e751a858d8 100644
--- a/arch/arm/boot/dts/versatile-pb.dts
+++ b/arch/arm/boot/dts/versatile-pb.dts
@@ -7,7 +7,7 @@
amba {
/* The Versatile PB is using more SIC IRQ lines than the AB */
- sic: intc@10003000 {
+ sic: interrupt-controller@10003000 {
clear-mask = <0xffffffff>;
/*
* Valid interrupt lines mask according to
diff --git a/arch/arm/configs/integrator_defconfig b/arch/arm/configs/integrator_defconfig
index b06e537d5149..4dfe321a79f6 100644
--- a/arch/arm/configs/integrator_defconfig
+++ b/arch/arm/configs/integrator_defconfig
@@ -57,10 +57,7 @@ CONFIG_DRM=y
CONFIG_DRM_DISPLAY_CONNECTOR=y
CONFIG_DRM_SIMPLE_BRIDGE=y
CONFIG_DRM_PL111=y
-CONFIG_FB_MODE_HELPERS=y
-CONFIG_FB_MATROX=y
-CONFIG_FB_MATROX_MILLENIUM=y
-CONFIG_FB_MATROX_MYSTIQUE=y
+CONFIG_FB=y
CONFIG_BACKLIGHT_CLASS_DEVICE=y
# CONFIG_VGA_CONSOLE is not set
CONFIG_LOGO=y
diff --git a/arch/arm/configs/multi_v7_defconfig b/arch/arm/configs/multi_v7_defconfig
index 52a0400fdd92..d9abaae118dd 100644
--- a/arch/arm/configs/multi_v7_defconfig
+++ b/arch/arm/configs/multi_v7_defconfig
@@ -821,7 +821,7 @@ CONFIG_USB_ISP1760=y
CONFIG_USB_HSIC_USB3503=y
CONFIG_AB8500_USB=y
CONFIG_KEYSTONE_USB_PHY=m
-CONFIG_NOP_USB_XCEIV=m
+CONFIG_NOP_USB_XCEIV=y
CONFIG_AM335X_PHY_USB=m
CONFIG_TWL6030_USB=m
CONFIG_USB_GPIO_VBUS=y
diff --git a/arch/arm/configs/realview_defconfig b/arch/arm/configs/realview_defconfig
index 483c400dd391..4c01e313099f 100644
--- a/arch/arm/configs/realview_defconfig
+++ b/arch/arm/configs/realview_defconfig
@@ -64,11 +64,9 @@ CONFIG_DRM_PANEL_SIMPLE=y
CONFIG_DRM_DISPLAY_CONNECTOR=y
CONFIG_DRM_SIMPLE_BRIDGE=y
CONFIG_DRM_PL111=y
-CONFIG_FB_MODE_HELPERS=y
+CONFIG_FB=y
CONFIG_BACKLIGHT_CLASS_DEVICE=y
CONFIG_LOGO=y
-# CONFIG_LOGO_LINUX_MONO is not set
-# CONFIG_LOGO_LINUX_VGA16 is not set
CONFIG_SOUND=y
CONFIG_SND=y
# CONFIG_SND_DRIVERS is not set
diff --git a/arch/arm/configs/shmobile_defconfig b/arch/arm/configs/shmobile_defconfig
index 66c8b0980a0a..d9a27e4e0914 100644
--- a/arch/arm/configs/shmobile_defconfig
+++ b/arch/arm/configs/shmobile_defconfig
@@ -135,6 +135,7 @@ CONFIG_DRM_SII902X=y
CONFIG_DRM_SIMPLE_BRIDGE=y
CONFIG_DRM_I2C_ADV7511=y
CONFIG_DRM_I2C_ADV7511_AUDIO=y
+CONFIG_FB=y
CONFIG_FB_SH_MOBILE_LCDC=y
CONFIG_BACKLIGHT_PWM=y
CONFIG_BACKLIGHT_AS3711=y
diff --git a/arch/arm/configs/u8500_defconfig b/arch/arm/configs/u8500_defconfig
index dbb1ef601762..3b30913d7d8d 100644
--- a/arch/arm/configs/u8500_defconfig
+++ b/arch/arm/configs/u8500_defconfig
@@ -61,6 +61,10 @@ CONFIG_INPUT_TOUCHSCREEN=y
CONFIG_TOUCHSCREEN_ATMEL_MXT=y
CONFIG_TOUCHSCREEN_BU21013=y
CONFIG_TOUCHSCREEN_CY8CTMA140=y
+CONFIG_TOUCHSCREEN_CYTTSP_CORE=y
+CONFIG_TOUCHSCREEN_CYTTSP_SPI=y
+CONFIG_TOUCHSCREEN_MMS114=y
+CONFIG_TOUCHSCREEN_ZINITIX=y
CONFIG_INPUT_MISC=y
CONFIG_INPUT_AB8500_PONKEY=y
CONFIG_INPUT_GPIO_VIBRA=y
@@ -100,6 +104,7 @@ CONFIG_DRM_PANEL_SAMSUNG_S6E63M0_DSI=y
CONFIG_DRM_PANEL_SONY_ACX424AKP=y
CONFIG_DRM_LIMA=y
CONFIG_DRM_MCDE=y
+CONFIG_FB=y
CONFIG_BACKLIGHT_CLASS_DEVICE=y
CONFIG_BACKLIGHT_KTD253=y
CONFIG_BACKLIGHT_GPIO=y
diff --git a/arch/arm/configs/versatile_defconfig b/arch/arm/configs/versatile_defconfig
index e7ecfb365e91..b703f4757021 100644
--- a/arch/arm/configs/versatile_defconfig
+++ b/arch/arm/configs/versatile_defconfig
@@ -60,7 +60,7 @@ CONFIG_DRM_PANEL_SIMPLE=y
CONFIG_DRM_DISPLAY_CONNECTOR=y
CONFIG_DRM_SIMPLE_BRIDGE=y
CONFIG_DRM_PL111=y
-CONFIG_FB_MODE_HELPERS=y
+CONFIG_FB=y
CONFIG_BACKLIGHT_CLASS_DEVICE=y
CONFIG_LOGO=y
CONFIG_SOUND=y
@@ -88,8 +88,6 @@ CONFIG_NFSD=y
CONFIG_NFSD_V3=y
CONFIG_NLS_CODEPAGE_850=m
CONFIG_NLS_ISO8859_1=m
-CONFIG_FONTS=y
-CONFIG_FONT_ACORN_8x8=y
CONFIG_MAGIC_SYSRQ=y
CONFIG_DEBUG_FS=y
CONFIG_DEBUG_KERNEL=y
diff --git a/arch/arm/configs/vexpress_defconfig b/arch/arm/configs/vexpress_defconfig
index 4479369540f2..b5e246dd23f4 100644
--- a/arch/arm/configs/vexpress_defconfig
+++ b/arch/arm/configs/vexpress_defconfig
@@ -11,9 +11,6 @@ CONFIG_CPUSETS=y
# CONFIG_NET_NS is not set
CONFIG_BLK_DEV_INITRD=y
CONFIG_PROFILING=y
-CONFIG_MODULES=y
-CONFIG_MODULE_UNLOAD=y
-# CONFIG_BLK_DEV_BSG is not set
CONFIG_ARCH_VEXPRESS=y
CONFIG_ARCH_VEXPRESS_DCSCB=y
CONFIG_ARCH_VEXPRESS_TC2_PM=y
@@ -23,14 +20,17 @@ CONFIG_MCPM=y
CONFIG_VMSPLIT_2G=y
CONFIG_NR_CPUS=8
CONFIG_ARM_PSCI=y
-CONFIG_CMA=y
CONFIG_ZBOOT_ROM_TEXT=0x0
CONFIG_ZBOOT_ROM_BSS=0x0
CONFIG_CMDLINE="console=ttyAMA0"
CONFIG_CPU_IDLE=y
CONFIG_VFP=y
CONFIG_NEON=y
+CONFIG_MODULES=y
+CONFIG_MODULE_UNLOAD=y
+# CONFIG_BLK_DEV_BSG is not set
# CONFIG_CORE_DUMP_DEFAULT_ELF_HEADERS is not set
+CONFIG_CMA=y
CONFIG_NET=y
CONFIG_PACKET=y
CONFIG_UNIX=y
@@ -43,7 +43,6 @@ CONFIG_IP_PNP_BOOTP=y
CONFIG_NET_9P=y
CONFIG_NET_9P_VIRTIO=y
CONFIG_DEVTMPFS=y
-CONFIG_DMA_CMA=y
CONFIG_MTD=y
CONFIG_MTD_CMDLINE_PARTS=y
CONFIG_MTD_BLOCK=y
@@ -59,7 +58,6 @@ CONFIG_VIRTIO_BLK=y
CONFIG_BLK_DEV_SD=y
CONFIG_SCSI_VIRTIO=y
CONFIG_ATA=y
-# CONFIG_SATA_PMP is not set
CONFIG_NETDEVICES=y
CONFIG_VIRTIO_NET=y
CONFIG_SMC91X=y
@@ -81,11 +79,9 @@ CONFIG_DRM=y
CONFIG_DRM_PANEL_SIMPLE=y
CONFIG_DRM_SII902X=y
CONFIG_DRM_PL111=y
-CONFIG_FB_MODE_HELPERS=y
+CONFIG_FB=y
CONFIG_BACKLIGHT_CLASS_DEVICE=y
CONFIG_LOGO=y
-# CONFIG_LOGO_LINUX_MONO is not set
-# CONFIG_LOGO_LINUX_VGA16 is not set
CONFIG_SOUND=y
CONFIG_SND=y
# CONFIG_SND_DRIVERS is not set
@@ -136,10 +132,11 @@ CONFIG_ROOT_NFS=y
CONFIG_9P_FS=y
CONFIG_NLS_CODEPAGE_437=y
CONFIG_NLS_ISO8859_1=y
+# CONFIG_CRYPTO_HW is not set
+CONFIG_DMA_CMA=y
CONFIG_DEBUG_INFO=y
CONFIG_MAGIC_SYSRQ=y
CONFIG_DEBUG_KERNEL=y
CONFIG_DETECT_HUNG_TASK=y
# CONFIG_SCHED_DEBUG is not set
CONFIG_DEBUG_USER=y
-# CONFIG_CRYPTO_HW is not set
diff --git a/arch/arm64/Kconfig b/arch/arm64/Kconfig
index e07e7de9ac49..b5b13a932561 100644
--- a/arch/arm64/Kconfig
+++ b/arch/arm64/Kconfig
@@ -1605,7 +1605,8 @@ config ARM64_BTI_KERNEL
depends on CC_HAS_BRANCH_PROT_PAC_RET_BTI
# https://gcc.gnu.org/bugzilla/show_bug.cgi?id=94697
depends on !CC_IS_GCC || GCC_VERSION >= 100100
- depends on !(CC_IS_CLANG && GCOV_KERNEL)
+ # https://github.com/llvm/llvm-project/commit/a88c722e687e6780dcd6a58718350dc76fcc4cc9
+ depends on !CC_IS_CLANG || CLANG_VERSION >= 120000
depends on (!FUNCTION_GRAPH_TRACER || DYNAMIC_FTRACE_WITH_REGS)
help
Build the kernel with Branch Target Identification annotations
diff --git a/arch/arm64/boot/dts/nvidia/tegra194.dtsi b/arch/arm64/boot/dts/nvidia/tegra194.dtsi
index b7d532841390..076d5efc4c3d 100644
--- a/arch/arm64/boot/dts/nvidia/tegra194.dtsi
+++ b/arch/arm64/boot/dts/nvidia/tegra194.dtsi
@@ -948,6 +948,10 @@
<&bpmp TEGRA194_CLK_XUSB_SS>,
<&bpmp TEGRA194_CLK_XUSB_FS>;
clock-names = "dev", "ss", "ss_src", "fs_src";
+ interconnects = <&mc TEGRA194_MEMORY_CLIENT_XUSB_DEVR &emc>,
+ <&mc TEGRA194_MEMORY_CLIENT_XUSB_DEVW &emc>;
+ interconnect-names = "dma-mem", "write";
+ iommus = <&smmu TEGRA194_SID_XUSB_DEV>;
power-domains = <&bpmp TEGRA194_POWER_DOMAIN_XUSBB>,
<&bpmp TEGRA194_POWER_DOMAIN_XUSBA>;
power-domain-names = "dev", "ss";
@@ -977,6 +981,10 @@
"xusb_ss", "xusb_ss_src", "xusb_hs_src",
"xusb_fs_src", "pll_u_480m", "clk_m",
"pll_e";
+ interconnects = <&mc TEGRA194_MEMORY_CLIENT_XUSB_HOSTR &emc>,
+ <&mc TEGRA194_MEMORY_CLIENT_XUSB_HOSTW &emc>;
+ interconnect-names = "dma-mem", "write";
+ iommus = <&smmu TEGRA194_SID_XUSB_HOST>;
power-domains = <&bpmp TEGRA194_POWER_DOMAIN_XUSBC>,
<&bpmp TEGRA194_POWER_DOMAIN_XUSBA>;
@@ -2469,6 +2477,11 @@
* for 8x and 11.025x sample rate streams.
*/
assigned-clock-rates = <258000000>;
+
+ interconnects = <&mc TEGRA194_MEMORY_CLIENT_APEDMAR &emc>,
+ <&mc TEGRA194_MEMORY_CLIENT_APEDMAW &emc>;
+ interconnect-names = "dma-mem", "write";
+ iommus = <&smmu TEGRA194_SID_APE>;
};
tcu: tcu {
diff --git a/arch/arm64/boot/dts/renesas/r9a07g044.dtsi b/arch/arm64/boot/dts/renesas/r9a07g044.dtsi
index 734c8adeceba..01482d227506 100644
--- a/arch/arm64/boot/dts/renesas/r9a07g044.dtsi
+++ b/arch/arm64/boot/dts/renesas/r9a07g044.dtsi
@@ -82,10 +82,10 @@
<GIC_SPI 384 IRQ_TYPE_LEVEL_HIGH>;
interrupt-names = "eri", "rxi", "txi",
"bri", "dri", "tei";
- clocks = <&cpg CPG_MOD R9A07G044_CLK_SCIF0>;
+ clocks = <&cpg CPG_MOD R9A07G044_SCIF0_CLK_PCK>;
clock-names = "fck";
power-domains = <&cpg>;
- resets = <&cpg R9A07G044_CLK_SCIF0>;
+ resets = <&cpg R9A07G044_SCIF0_RST_SYSTEM_N>;
status = "disabled";
};
diff --git a/arch/arm64/include/asm/cache.h b/arch/arm64/include/asm/cache.h
index a9c0716e7440..a074459f8f2f 100644
--- a/arch/arm64/include/asm/cache.h
+++ b/arch/arm64/include/asm/cache.h
@@ -47,7 +47,7 @@
* cache before the transfer is done, causing old data to be seen by
* the CPU.
*/
-#define ARCH_DMA_MINALIGN L1_CACHE_BYTES
+#define ARCH_DMA_MINALIGN (128)
#ifdef CONFIG_KASAN_SW_TAGS
#define ARCH_SLAB_MINALIGN (1ULL << KASAN_SHADOW_SCALE_SHIFT)
diff --git a/arch/arm64/include/asm/smp_plat.h b/arch/arm64/include/asm/smp_plat.h
index 99ad77df8f52..97ddc6c203b7 100644
--- a/arch/arm64/include/asm/smp_plat.h
+++ b/arch/arm64/include/asm/smp_plat.h
@@ -10,6 +10,7 @@
#include <linux/cpumask.h>
+#include <asm/smp.h>
#include <asm/types.h>
struct mpidr_hash {
diff --git a/arch/arm64/kernel/Makefile b/arch/arm64/kernel/Makefile
index cce308586fcc..3f1490bfb938 100644
--- a/arch/arm64/kernel/Makefile
+++ b/arch/arm64/kernel/Makefile
@@ -17,7 +17,7 @@ CFLAGS_syscall.o += -fno-stack-protector
# It's not safe to invoke KCOV when portions of the kernel environment aren't
# available or are out-of-sync with HW state. Since `noinstr` doesn't always
# inhibit KCOV instrumentation, disable it for the entire compilation unit.
-KCOV_INSTRUMENT_entry.o := n
+KCOV_INSTRUMENT_entry-common.o := n
KCOV_INSTRUMENT_idle.o := n
# Object file lists.
diff --git a/arch/arm64/kernel/cpufeature.c b/arch/arm64/kernel/cpufeature.c
index 125d5c9471ac..0ead8bfedf20 100644
--- a/arch/arm64/kernel/cpufeature.c
+++ b/arch/arm64/kernel/cpufeature.c
@@ -81,6 +81,7 @@
#include <asm/mmu_context.h>
#include <asm/mte.h>
#include <asm/processor.h>
+#include <asm/smp.h>
#include <asm/sysreg.h>
#include <asm/traps.h>
#include <asm/virt.h>
diff --git a/arch/arm64/kernel/entry-common.c b/arch/arm64/kernel/entry-common.c
index 12ce14a98b7c..db8b2e2d02c2 100644
--- a/arch/arm64/kernel/entry-common.c
+++ b/arch/arm64/kernel/entry-common.c
@@ -604,7 +604,7 @@ asmlinkage void noinstr el0t_64_fiq_handler(struct pt_regs *regs)
__el0_fiq_handler_common(regs);
}
-static void __el0_error_handler_common(struct pt_regs *regs)
+static void noinstr __el0_error_handler_common(struct pt_regs *regs)
{
unsigned long esr = read_sysreg(esr_el1);
diff --git a/arch/arm64/kernel/mte.c b/arch/arm64/kernel/mte.c
index 69b3fde8759e..36f51b0e438a 100644
--- a/arch/arm64/kernel/mte.c
+++ b/arch/arm64/kernel/mte.c
@@ -193,18 +193,6 @@ void mte_check_tfsr_el1(void)
}
#endif
-static void update_gcr_el1_excl(u64 excl)
-{
-
- /*
- * Note that the mask controlled by the user via prctl() is an
- * include while GCR_EL1 accepts an exclude mask.
- * No need for ISB since this only affects EL0 currently, implicit
- * with ERET.
- */
- sysreg_clear_set_s(SYS_GCR_EL1, SYS_GCR_EL1_EXCL_MASK, excl);
-}
-
static void set_gcr_el1_excl(u64 excl)
{
current->thread.gcr_user_excl = excl;
@@ -265,7 +253,8 @@ void mte_suspend_exit(void)
if (!system_supports_mte())
return;
- update_gcr_el1_excl(gcr_kernel_excl);
+ sysreg_clear_set_s(SYS_GCR_EL1, SYS_GCR_EL1_EXCL_MASK, gcr_kernel_excl);
+ isb();
}
long set_mte_ctrl(struct task_struct *task, unsigned long arg)
diff --git a/arch/arm64/kernel/smccc-call.S b/arch/arm64/kernel/smccc-call.S
index d3d37f932b97..487381164ff6 100644
--- a/arch/arm64/kernel/smccc-call.S
+++ b/arch/arm64/kernel/smccc-call.S
@@ -32,20 +32,23 @@ SYM_FUNC_END(__arm_smccc_sve_check)
EXPORT_SYMBOL(__arm_smccc_sve_check)
.macro SMCCC instr
+ stp x29, x30, [sp, #-16]!
+ mov x29, sp
alternative_if ARM64_SVE
bl __arm_smccc_sve_check
alternative_else_nop_endif
\instr #0
- ldr x4, [sp]
+ ldr x4, [sp, #16]
stp x0, x1, [x4, #ARM_SMCCC_RES_X0_OFFS]
stp x2, x3, [x4, #ARM_SMCCC_RES_X2_OFFS]
- ldr x4, [sp, #8]
+ ldr x4, [sp, #24]
cbz x4, 1f /* no quirk structure */
ldr x9, [x4, #ARM_SMCCC_QUIRK_ID_OFFS]
cmp x9, #ARM_SMCCC_QUIRK_QCOM_A6
b.ne 1f
str x6, [x4, ARM_SMCCC_QUIRK_STATE_OFFS]
-1: ret
+1: ldp x29, x30, [sp], #16
+ ret
.endm
/*
diff --git a/arch/arm64/lib/copy_from_user.S b/arch/arm64/lib/copy_from_user.S
index 95cd62d67371..2cf999e41d30 100644
--- a/arch/arm64/lib/copy_from_user.S
+++ b/arch/arm64/lib/copy_from_user.S
@@ -29,7 +29,7 @@
.endm
.macro ldrh1 reg, ptr, val
- user_ldst 9998f, ldtrh, \reg, \ptr, \val
+ user_ldst 9997f, ldtrh, \reg, \ptr, \val
.endm
.macro strh1 reg, ptr, val
@@ -37,7 +37,7 @@
.endm
.macro ldr1 reg, ptr, val
- user_ldst 9998f, ldtr, \reg, \ptr, \val
+ user_ldst 9997f, ldtr, \reg, \ptr, \val
.endm
.macro str1 reg, ptr, val
@@ -45,7 +45,7 @@
.endm
.macro ldp1 reg1, reg2, ptr, val
- user_ldp 9998f, \reg1, \reg2, \ptr, \val
+ user_ldp 9997f, \reg1, \reg2, \ptr, \val
.endm
.macro stp1 reg1, reg2, ptr, val
@@ -53,8 +53,10 @@
.endm
end .req x5
+srcin .req x15
SYM_FUNC_START(__arch_copy_from_user)
add end, x0, x2
+ mov srcin, x1
#include "copy_template.S"
mov x0, #0 // Nothing to copy
ret
@@ -63,6 +65,11 @@ EXPORT_SYMBOL(__arch_copy_from_user)
.section .fixup,"ax"
.align 2
+9997: cmp dst, dstin
+ b.ne 9998f
+ // Before being absolutely sure we couldn't copy anything, try harder
+USER(9998f, ldtrb tmp1w, [srcin])
+ strb tmp1w, [dst], #1
9998: sub x0, end, dst // bytes not copied
ret
.previous
diff --git a/arch/arm64/lib/copy_in_user.S b/arch/arm64/lib/copy_in_user.S
index 1f61cd0df062..dbea3799c3ef 100644
--- a/arch/arm64/lib/copy_in_user.S
+++ b/arch/arm64/lib/copy_in_user.S
@@ -30,33 +30,34 @@
.endm
.macro ldrh1 reg, ptr, val
- user_ldst 9998f, ldtrh, \reg, \ptr, \val
+ user_ldst 9997f, ldtrh, \reg, \ptr, \val
.endm
.macro strh1 reg, ptr, val
- user_ldst 9998f, sttrh, \reg, \ptr, \val
+ user_ldst 9997f, sttrh, \reg, \ptr, \val
.endm
.macro ldr1 reg, ptr, val
- user_ldst 9998f, ldtr, \reg, \ptr, \val
+ user_ldst 9997f, ldtr, \reg, \ptr, \val
.endm
.macro str1 reg, ptr, val
- user_ldst 9998f, sttr, \reg, \ptr, \val
+ user_ldst 9997f, sttr, \reg, \ptr, \val
.endm
.macro ldp1 reg1, reg2, ptr, val
- user_ldp 9998f, \reg1, \reg2, \ptr, \val
+ user_ldp 9997f, \reg1, \reg2, \ptr, \val
.endm
.macro stp1 reg1, reg2, ptr, val
- user_stp 9998f, \reg1, \reg2, \ptr, \val
+ user_stp 9997f, \reg1, \reg2, \ptr, \val
.endm
end .req x5
-
+srcin .req x15
SYM_FUNC_START(__arch_copy_in_user)
add end, x0, x2
+ mov srcin, x1
#include "copy_template.S"
mov x0, #0
ret
@@ -65,6 +66,12 @@ EXPORT_SYMBOL(__arch_copy_in_user)
.section .fixup,"ax"
.align 2
+9997: cmp dst, dstin
+ b.ne 9998f
+ // Before being absolutely sure we couldn't copy anything, try harder
+USER(9998f, ldtrb tmp1w, [srcin])
+USER(9998f, sttrb tmp1w, [dst])
+ add dst, dst, #1
9998: sub x0, end, dst // bytes not copied
ret
.previous
diff --git a/arch/arm64/lib/copy_to_user.S b/arch/arm64/lib/copy_to_user.S
index 043da90f5dd7..9f380eecf653 100644
--- a/arch/arm64/lib/copy_to_user.S
+++ b/arch/arm64/lib/copy_to_user.S
@@ -32,7 +32,7 @@
.endm
.macro strh1 reg, ptr, val
- user_ldst 9998f, sttrh, \reg, \ptr, \val
+ user_ldst 9997f, sttrh, \reg, \ptr, \val
.endm
.macro ldr1 reg, ptr, val
@@ -40,7 +40,7 @@
.endm
.macro str1 reg, ptr, val
- user_ldst 9998f, sttr, \reg, \ptr, \val
+ user_ldst 9997f, sttr, \reg, \ptr, \val
.endm
.macro ldp1 reg1, reg2, ptr, val
@@ -48,12 +48,14 @@
.endm
.macro stp1 reg1, reg2, ptr, val
- user_stp 9998f, \reg1, \reg2, \ptr, \val
+ user_stp 9997f, \reg1, \reg2, \ptr, \val
.endm
end .req x5
+srcin .req x15
SYM_FUNC_START(__arch_copy_to_user)
add end, x0, x2
+ mov srcin, x1
#include "copy_template.S"
mov x0, #0
ret
@@ -62,6 +64,12 @@ EXPORT_SYMBOL(__arch_copy_to_user)
.section .fixup,"ax"
.align 2
+9997: cmp dst, dstin
+ b.ne 9998f
+ // Before being absolutely sure we couldn't copy anything, try harder
+ ldrb tmp1w, [srcin]
+USER(9998f, sttrb tmp1w, [dst])
+ add dst, dst, #1
9998: sub x0, end, dst // bytes not copied
ret
.previous
diff --git a/arch/arm64/lib/strlen.S b/arch/arm64/lib/strlen.S
index 35fbdb7d6e1a..1648790e91b3 100644
--- a/arch/arm64/lib/strlen.S
+++ b/arch/arm64/lib/strlen.S
@@ -8,6 +8,7 @@
#include <linux/linkage.h>
#include <asm/assembler.h>
+#include <asm/mte-def.h>
/* Assumptions:
*
@@ -42,7 +43,16 @@
#define REP8_7f 0x7f7f7f7f7f7f7f7f
#define REP8_80 0x8080808080808080
+/*
+ * When KASAN_HW_TAGS is in use, memory is checked at MTE_GRANULE_SIZE
+ * (16-byte) granularity, and we must ensure that no access straddles this
+ * alignment boundary.
+ */
+#ifdef CONFIG_KASAN_HW_TAGS
+#define MIN_PAGE_SIZE MTE_GRANULE_SIZE
+#else
#define MIN_PAGE_SIZE 4096
+#endif
/* Since strings are short on average, we check the first 16 bytes
of the string for a NUL character. In order to do an unaligned ldp
diff --git a/arch/arm64/mm/mmu.c b/arch/arm64/mm/mmu.c
index d74586508448..9ff0de1b2b93 100644
--- a/arch/arm64/mm/mmu.c
+++ b/arch/arm64/mm/mmu.c
@@ -1339,7 +1339,6 @@ void *__init fixmap_remap_fdt(phys_addr_t dt_phys, int *size, pgprot_t prot)
return dt_virt;
}
-#if CONFIG_PGTABLE_LEVELS > 3
int pud_set_huge(pud_t *pudp, phys_addr_t phys, pgprot_t prot)
{
pud_t new_pud = pfn_pud(__phys_to_pfn(phys), mk_pud_sect_prot(prot));
@@ -1354,16 +1353,6 @@ int pud_set_huge(pud_t *pudp, phys_addr_t phys, pgprot_t prot)
return 1;
}
-int pud_clear_huge(pud_t *pudp)
-{
- if (!pud_sect(READ_ONCE(*pudp)))
- return 0;
- pud_clear(pudp);
- return 1;
-}
-#endif
-
-#if CONFIG_PGTABLE_LEVELS > 2
int pmd_set_huge(pmd_t *pmdp, phys_addr_t phys, pgprot_t prot)
{
pmd_t new_pmd = pfn_pmd(__phys_to_pfn(phys), mk_pmd_sect_prot(prot));
@@ -1378,6 +1367,14 @@ int pmd_set_huge(pmd_t *pmdp, phys_addr_t phys, pgprot_t prot)
return 1;
}
+int pud_clear_huge(pud_t *pudp)
+{
+ if (!pud_sect(READ_ONCE(*pudp)))
+ return 0;
+ pud_clear(pudp);
+ return 1;
+}
+
int pmd_clear_huge(pmd_t *pmdp)
{
if (!pmd_sect(READ_ONCE(*pmdp)))
@@ -1385,7 +1382,6 @@ int pmd_clear_huge(pmd_t *pmdp)
pmd_clear(pmdp);
return 1;
}
-#endif
int pmd_free_pte_page(pmd_t *pmdp, unsigned long addr)
{
diff --git a/arch/mips/include/asm/fpu.h b/arch/mips/include/asm/fpu.h
index 08f9dd6903b7..86310d6e1035 100644
--- a/arch/mips/include/asm/fpu.h
+++ b/arch/mips/include/asm/fpu.h
@@ -76,7 +76,7 @@ static inline int __enable_fpu(enum fpu_mode mode)
/* we only have a 32-bit FPU */
return SIGFPE;
#endif
- fallthrough;
+ /* fallthrough */
case FPU_32BIT:
if (cpu_has_fre) {
/* clear FRE */
diff --git a/arch/mips/mm/tlbex.c b/arch/mips/mm/tlbex.c
index cd4afcdf3725..9adad24c2e65 100644
--- a/arch/mips/mm/tlbex.c
+++ b/arch/mips/mm/tlbex.c
@@ -1383,6 +1383,7 @@ static void build_r4000_tlb_refill_handler(void)
switch (boot_cpu_type()) {
default:
if (sizeof(long) == 4) {
+ fallthrough;
case CPU_LOONGSON2EF:
/* Loongson2 ebase is different than r4k, we have more space */
if ((p - tlb_handler) > 64)
@@ -2169,6 +2170,7 @@ static void build_r4000_tlb_load_handler(void)
default:
if (cpu_has_mips_r2_exec_hazard) {
uasm_i_ehb(&p);
+ fallthrough;
case CPU_CAVIUM_OCTEON:
case CPU_CAVIUM_OCTEON_PLUS:
diff --git a/arch/powerpc/mm/nohash/8xx.c b/arch/powerpc/mm/nohash/8xx.c
index 60780e089118..0df9fe29dd56 100644
--- a/arch/powerpc/mm/nohash/8xx.c
+++ b/arch/powerpc/mm/nohash/8xx.c
@@ -240,3 +240,13 @@ void __init setup_kuap(bool disabled)
mtspr(SPRN_MD_AP, MD_APG_KUAP);
}
#endif
+
+int pud_clear_huge(pud_t *pud)
+{
+ return 0;
+}
+
+int pmd_clear_huge(pmd_t *pmd)
+{
+ return 0;
+}
diff --git a/arch/powerpc/platforms/powermac/smp.c b/arch/powerpc/platforms/powermac/smp.c
index bdfea6d6ab69..3256a316e884 100644
--- a/arch/powerpc/platforms/powermac/smp.c
+++ b/arch/powerpc/platforms/powermac/smp.c
@@ -146,6 +146,7 @@ static inline void psurge_clr_ipi(int cpu)
switch(psurge_type) {
case PSURGE_DUAL:
out_8(psurge_sec_intr, ~0);
+ break;
case PSURGE_NONE:
break;
default:
diff --git a/arch/s390/boot/text_dma.S b/arch/s390/boot/text_dma.S
index f7c77cd518f2..5ff5fee02801 100644
--- a/arch/s390/boot/text_dma.S
+++ b/arch/s390/boot/text_dma.S
@@ -9,16 +9,6 @@
#include <asm/errno.h>
#include <asm/sigp.h>
-#ifdef CC_USING_EXPOLINE
- .pushsection .dma.text.__s390_indirect_jump_r14,"axG"
-__dma__s390_indirect_jump_r14:
- larl %r1,0f
- ex 0,0(%r1)
- j .
-0: br %r14
- .popsection
-#endif
-
.section .dma.text,"ax"
/*
* Simplified version of expoline thunk. The normal thunks can not be used here,
@@ -27,11 +17,10 @@ __dma__s390_indirect_jump_r14:
* affects a few functions that are not performance-relevant.
*/
.macro BR_EX_DMA_r14
-#ifdef CC_USING_EXPOLINE
- jg __dma__s390_indirect_jump_r14
-#else
- br %r14
-#endif
+ larl %r1,0f
+ ex 0,0(%r1)
+ j .
+0: br %r14
.endm
/*
diff --git a/arch/s390/configs/debug_defconfig b/arch/s390/configs/debug_defconfig
index 86afcc6b56bf..7de253f766e8 100644
--- a/arch/s390/configs/debug_defconfig
+++ b/arch/s390/configs/debug_defconfig
@@ -5,7 +5,12 @@ CONFIG_WATCH_QUEUE=y
CONFIG_AUDIT=y
CONFIG_NO_HZ_IDLE=y
CONFIG_HIGH_RES_TIMERS=y
+CONFIG_BPF_SYSCALL=y
+CONFIG_BPF_JIT=y
+CONFIG_BPF_JIT_ALWAYS_ON=y
+CONFIG_BPF_LSM=y
CONFIG_PREEMPT=y
+CONFIG_SCHED_CORE=y
CONFIG_BSD_PROCESS_ACCT=y
CONFIG_BSD_PROCESS_ACCT_V3=y
CONFIG_TASKSTATS=y
@@ -28,14 +33,13 @@ CONFIG_CGROUP_DEVICE=y
CONFIG_CGROUP_CPUACCT=y
CONFIG_CGROUP_PERF=y
CONFIG_CGROUP_BPF=y
+CONFIG_CGROUP_MISC=y
CONFIG_NAMESPACES=y
CONFIG_USER_NS=y
CONFIG_CHECKPOINT_RESTORE=y
CONFIG_SCHED_AUTOGROUP=y
CONFIG_EXPERT=y
# CONFIG_SYSFS_SYSCALL is not set
-CONFIG_BPF_LSM=y
-CONFIG_BPF_SYSCALL=y
CONFIG_USERFAULTFD=y
# CONFIG_COMPAT_BRK is not set
CONFIG_PROFILING=y
@@ -76,6 +80,7 @@ CONFIG_BLK_DEV_THROTTLING=y
CONFIG_BLK_WBT=y
CONFIG_BLK_CGROUP_IOLATENCY=y
CONFIG_BLK_CGROUP_IOCOST=y
+CONFIG_BLK_CGROUP_IOPRIO=y
CONFIG_BLK_INLINE_ENCRYPTION=y
CONFIG_BLK_INLINE_ENCRYPTION_FALLBACK=y
CONFIG_PARTITION_ADVANCED=y
@@ -95,6 +100,7 @@ CONFIG_CLEANCACHE=y
CONFIG_FRONTSWAP=y
CONFIG_CMA_DEBUG=y
CONFIG_CMA_DEBUGFS=y
+CONFIG_CMA_SYSFS=y
CONFIG_CMA_AREAS=7
CONFIG_MEM_SOFT_DIRTY=y
CONFIG_ZSWAP=y
@@ -158,6 +164,7 @@ CONFIG_IPV6_RPL_LWTUNNEL=y
CONFIG_MPTCP=y
CONFIG_NETFILTER=y
CONFIG_BRIDGE_NETFILTER=m
+CONFIG_NETFILTER_NETLINK_HOOK=m
CONFIG_NF_CONNTRACK=m
CONFIG_NF_CONNTRACK_SECMARK=y
CONFIG_NF_CONNTRACK_EVENTS=y
@@ -280,6 +287,7 @@ CONFIG_IP_VS_FTP=m
CONFIG_IP_VS_PE_SIP=m
CONFIG_NFT_FIB_IPV4=m
CONFIG_NF_TABLES_ARP=y
+CONFIG_NF_LOG_IPV4=m
CONFIG_IP_NF_IPTABLES=m
CONFIG_IP_NF_MATCH_AH=m
CONFIG_IP_NF_MATCH_ECN=m
@@ -384,12 +392,11 @@ CONFIG_VSOCKETS=m
CONFIG_VIRTIO_VSOCKETS=m
CONFIG_NETLINK_DIAG=m
CONFIG_CGROUP_NET_PRIO=y
-CONFIG_BPF_JIT=y
CONFIG_NET_PKTGEN=m
CONFIG_PCI=y
-CONFIG_PCI_IOV=y
# CONFIG_PCIEASPM is not set
CONFIG_PCI_DEBUG=y
+CONFIG_PCI_IOV=y
CONFIG_HOTPLUG_PCI=y
CONFIG_HOTPLUG_PCI_S390=y
CONFIG_DEVTMPFS=y
@@ -436,7 +443,7 @@ CONFIG_MD_MULTIPATH=m
CONFIG_MD_FAULTY=m
CONFIG_MD_CLUSTER=m
CONFIG_BCACHE=m
-CONFIG_BLK_DEV_DM=m
+CONFIG_BLK_DEV_DM=y
CONFIG_DM_UNSTRIPED=m
CONFIG_DM_CRYPT=m
CONFIG_DM_SNAPSHOT=m
@@ -453,6 +460,7 @@ CONFIG_DM_MULTIPATH_ST=m
CONFIG_DM_MULTIPATH_HST=m
CONFIG_DM_MULTIPATH_IOA=m
CONFIG_DM_DELAY=m
+CONFIG_DM_INIT=y
CONFIG_DM_UEVENT=y
CONFIG_DM_FLAKEY=m
CONFIG_DM_VERITY=m
@@ -495,6 +503,7 @@ CONFIG_NLMON=m
# CONFIG_NET_VENDOR_GOOGLE is not set
# CONFIG_NET_VENDOR_HUAWEI is not set
# CONFIG_NET_VENDOR_INTEL is not set
+# CONFIG_NET_VENDOR_MICROSOFT is not set
# CONFIG_NET_VENDOR_MARVELL is not set
CONFIG_MLX4_EN=m
CONFIG_MLX5_CORE=m
@@ -551,7 +560,6 @@ CONFIG_INPUT_EVDEV=y
CONFIG_LEGACY_PTY_COUNT=0
CONFIG_VIRTIO_CONSOLE=m
CONFIG_HW_RANDOM_VIRTIO=m
-CONFIG_RAW_DRIVER=m
CONFIG_HANGCHECK_TIMER=m
CONFIG_TN3270_FS=y
CONFIG_PPS=m
@@ -574,7 +582,6 @@ CONFIG_SYNC_FILE=y
CONFIG_VFIO=m
CONFIG_VFIO_PCI=m
CONFIG_VFIO_MDEV=m
-CONFIG_VFIO_MDEV_DEVICE=m
CONFIG_VIRTIO_PCI=m
CONFIG_VIRTIO_BALLOON=m
CONFIG_VIRTIO_INPUT=y
@@ -619,6 +626,7 @@ CONFIG_FUSE_FS=y
CONFIG_CUSE=m
CONFIG_VIRTIO_FS=m
CONFIG_OVERLAY_FS=m
+CONFIG_NETFS_STATS=y
CONFIG_FSCACHE=m
CONFIG_CACHEFILES=m
CONFIG_ISO9660_FS=y
@@ -654,7 +662,6 @@ CONFIG_NFSD_V3_ACL=y
CONFIG_NFSD_V4=y
CONFIG_NFSD_V4_SECURITY_LABEL=y
CONFIG_CIFS=m
-CONFIG_CIFS_STATS2=y
CONFIG_CIFS_WEAK_PW_HASH=y
CONFIG_CIFS_UPCALL=y
CONFIG_CIFS_XATTR=y
@@ -682,6 +689,7 @@ CONFIG_SECURITY_SELINUX_BOOTPARAM=y
CONFIG_SECURITY_SELINUX_DISABLE=y
CONFIG_SECURITY_LOCKDOWN_LSM=y
CONFIG_SECURITY_LOCKDOWN_LSM_EARLY=y
+CONFIG_SECURITY_LANDLOCK=y
CONFIG_INTEGRITY_SIGNATURE=y
CONFIG_INTEGRITY_ASYMMETRIC_KEYS=y
CONFIG_IMA=y
@@ -696,6 +704,7 @@ CONFIG_CRYPTO_CRYPTD=m
CONFIG_CRYPTO_TEST=m
CONFIG_CRYPTO_DH=m
CONFIG_CRYPTO_ECDH=m
+CONFIG_CRYPTO_ECDSA=m
CONFIG_CRYPTO_ECRDSA=m
CONFIG_CRYPTO_SM2=m
CONFIG_CRYPTO_CURVE25519=m
@@ -843,7 +852,6 @@ CONFIG_FAULT_INJECTION_DEBUG_FS=y
CONFIG_FAIL_FUNCTION=y
CONFIG_FAULT_INJECTION_STACKTRACE_FILTER=y
CONFIG_LKDTM=m
-CONFIG_TEST_LIST_SORT=y
CONFIG_TEST_MIN_HEAP=y
CONFIG_TEST_SORT=y
CONFIG_KPROBES_SANITY_TEST=y
@@ -853,3 +861,4 @@ CONFIG_PERCPU_TEST=m
CONFIG_ATOMIC64_SELFTEST=y
CONFIG_TEST_BITOPS=m
CONFIG_TEST_BPF=m
+CONFIG_TEST_LIVEPATCH=m
diff --git a/arch/s390/configs/defconfig b/arch/s390/configs/defconfig
index 71b49ea5b058..b671642967ba 100644
--- a/arch/s390/configs/defconfig
+++ b/arch/s390/configs/defconfig
@@ -4,6 +4,11 @@ CONFIG_WATCH_QUEUE=y
CONFIG_AUDIT=y
CONFIG_NO_HZ_IDLE=y
CONFIG_HIGH_RES_TIMERS=y
+CONFIG_BPF_SYSCALL=y
+CONFIG_BPF_JIT=y
+CONFIG_BPF_JIT_ALWAYS_ON=y
+CONFIG_BPF_LSM=y
+CONFIG_SCHED_CORE=y
CONFIG_BSD_PROCESS_ACCT=y
CONFIG_BSD_PROCESS_ACCT_V3=y
CONFIG_TASKSTATS=y
@@ -26,14 +31,13 @@ CONFIG_CGROUP_DEVICE=y
CONFIG_CGROUP_CPUACCT=y
CONFIG_CGROUP_PERF=y
CONFIG_CGROUP_BPF=y
+CONFIG_CGROUP_MISC=y
CONFIG_NAMESPACES=y
CONFIG_USER_NS=y
CONFIG_CHECKPOINT_RESTORE=y
CONFIG_SCHED_AUTOGROUP=y
CONFIG_EXPERT=y
# CONFIG_SYSFS_SYSCALL is not set
-CONFIG_BPF_LSM=y
-CONFIG_BPF_SYSCALL=y
CONFIG_USERFAULTFD=y
# CONFIG_COMPAT_BRK is not set
CONFIG_PROFILING=y
@@ -70,6 +74,7 @@ CONFIG_BLK_DEV_THROTTLING=y
CONFIG_BLK_WBT=y
CONFIG_BLK_CGROUP_IOLATENCY=y
CONFIG_BLK_CGROUP_IOCOST=y
+CONFIG_BLK_CGROUP_IOPRIO=y
CONFIG_BLK_INLINE_ENCRYPTION=y
CONFIG_BLK_INLINE_ENCRYPTION_FALLBACK=y
CONFIG_PARTITION_ADVANCED=y
@@ -87,6 +92,7 @@ CONFIG_KSM=y
CONFIG_TRANSPARENT_HUGEPAGE=y
CONFIG_CLEANCACHE=y
CONFIG_FRONTSWAP=y
+CONFIG_CMA_SYSFS=y
CONFIG_CMA_AREAS=7
CONFIG_MEM_SOFT_DIRTY=y
CONFIG_ZSWAP=y
@@ -149,6 +155,7 @@ CONFIG_IPV6_RPL_LWTUNNEL=y
CONFIG_MPTCP=y
CONFIG_NETFILTER=y
CONFIG_BRIDGE_NETFILTER=m
+CONFIG_NETFILTER_NETLINK_HOOK=m
CONFIG_NF_CONNTRACK=m
CONFIG_NF_CONNTRACK_SECMARK=y
CONFIG_NF_CONNTRACK_EVENTS=y
@@ -271,6 +278,7 @@ CONFIG_IP_VS_FTP=m
CONFIG_IP_VS_PE_SIP=m
CONFIG_NFT_FIB_IPV4=m
CONFIG_NF_TABLES_ARP=y
+CONFIG_NF_LOG_IPV4=m
CONFIG_IP_NF_IPTABLES=m
CONFIG_IP_NF_MATCH_AH=m
CONFIG_IP_NF_MATCH_ECN=m
@@ -374,11 +382,10 @@ CONFIG_VSOCKETS=m
CONFIG_VIRTIO_VSOCKETS=m
CONFIG_NETLINK_DIAG=m
CONFIG_CGROUP_NET_PRIO=y
-CONFIG_BPF_JIT=y
CONFIG_NET_PKTGEN=m
CONFIG_PCI=y
-CONFIG_PCI_IOV=y
# CONFIG_PCIEASPM is not set
+CONFIG_PCI_IOV=y
CONFIG_HOTPLUG_PCI=y
CONFIG_HOTPLUG_PCI_S390=y
CONFIG_UEVENT_HELPER=y
@@ -427,7 +434,7 @@ CONFIG_MD_MULTIPATH=m
CONFIG_MD_FAULTY=m
CONFIG_MD_CLUSTER=m
CONFIG_BCACHE=m
-CONFIG_BLK_DEV_DM=m
+CONFIG_BLK_DEV_DM=y
CONFIG_DM_UNSTRIPED=m
CONFIG_DM_CRYPT=m
CONFIG_DM_SNAPSHOT=m
@@ -444,6 +451,7 @@ CONFIG_DM_MULTIPATH_ST=m
CONFIG_DM_MULTIPATH_HST=m
CONFIG_DM_MULTIPATH_IOA=m
CONFIG_DM_DELAY=m
+CONFIG_DM_INIT=y
CONFIG_DM_UEVENT=y
CONFIG_DM_FLAKEY=m
CONFIG_DM_VERITY=m
@@ -487,6 +495,7 @@ CONFIG_NLMON=m
# CONFIG_NET_VENDOR_GOOGLE is not set
# CONFIG_NET_VENDOR_HUAWEI is not set
# CONFIG_NET_VENDOR_INTEL is not set
+# CONFIG_NET_VENDOR_MICROSOFT is not set
# CONFIG_NET_VENDOR_MARVELL is not set
CONFIG_MLX4_EN=m
CONFIG_MLX5_CORE=m
@@ -543,7 +552,6 @@ CONFIG_INPUT_EVDEV=y
CONFIG_LEGACY_PTY_COUNT=0
CONFIG_VIRTIO_CONSOLE=m
CONFIG_HW_RANDOM_VIRTIO=m
-CONFIG_RAW_DRIVER=m
CONFIG_HANGCHECK_TIMER=m
CONFIG_TN3270_FS=y
# CONFIG_PTP_1588_CLOCK is not set
@@ -566,7 +574,6 @@ CONFIG_SYNC_FILE=y
CONFIG_VFIO=m
CONFIG_VFIO_PCI=m
CONFIG_VFIO_MDEV=m
-CONFIG_VFIO_MDEV_DEVICE=m
CONFIG_VIRTIO_PCI=m
CONFIG_VIRTIO_BALLOON=m
CONFIG_VIRTIO_INPUT=y
@@ -607,6 +614,7 @@ CONFIG_FUSE_FS=y
CONFIG_CUSE=m
CONFIG_VIRTIO_FS=m
CONFIG_OVERLAY_FS=m
+CONFIG_NETFS_STATS=y
CONFIG_FSCACHE=m
CONFIG_CACHEFILES=m
CONFIG_ISO9660_FS=y
@@ -642,7 +650,6 @@ CONFIG_NFSD_V3_ACL=y
CONFIG_NFSD_V4=y
CONFIG_NFSD_V4_SECURITY_LABEL=y
CONFIG_CIFS=m
-CONFIG_CIFS_STATS2=y
CONFIG_CIFS_WEAK_PW_HASH=y
CONFIG_CIFS_UPCALL=y
CONFIG_CIFS_XATTR=y
@@ -669,6 +676,7 @@ CONFIG_SECURITY_SELINUX_BOOTPARAM=y
CONFIG_SECURITY_SELINUX_DISABLE=y
CONFIG_SECURITY_LOCKDOWN_LSM=y
CONFIG_SECURITY_LOCKDOWN_LSM_EARLY=y
+CONFIG_SECURITY_LANDLOCK=y
CONFIG_INTEGRITY_SIGNATURE=y
CONFIG_INTEGRITY_ASYMMETRIC_KEYS=y
CONFIG_IMA=y
@@ -684,6 +692,7 @@ CONFIG_CRYPTO_CRYPTD=m
CONFIG_CRYPTO_TEST=m
CONFIG_CRYPTO_DH=m
CONFIG_CRYPTO_ECDH=m
+CONFIG_CRYPTO_ECDSA=m
CONFIG_CRYPTO_ECRDSA=m
CONFIG_CRYPTO_SM2=m
CONFIG_CRYPTO_CURVE25519=m
@@ -754,6 +763,7 @@ CONFIG_CRC8=m
CONFIG_DMA_CMA=y
CONFIG_CMA_SIZE_MBYTES=0
CONFIG_PRINTK_TIME=y
+CONFIG_DYNAMIC_DEBUG=y
CONFIG_DEBUG_INFO=y
CONFIG_DEBUG_INFO_DWARF4=y
CONFIG_GDB_SCRIPTS=y
@@ -781,3 +791,4 @@ CONFIG_LKDTM=m
CONFIG_PERCPU_TEST=m
CONFIG_ATOMIC64_SELFTEST=y
CONFIG_TEST_BPF=m
+CONFIG_TEST_LIVEPATCH=m
diff --git a/arch/s390/configs/zfcpdump_defconfig b/arch/s390/configs/zfcpdump_defconfig
index 76123a4b26ab..d576aaab27c9 100644
--- a/arch/s390/configs/zfcpdump_defconfig
+++ b/arch/s390/configs/zfcpdump_defconfig
@@ -29,9 +29,9 @@ CONFIG_PARTITION_ADVANCED=y
# CONFIG_CORE_DUMP_DEFAULT_ELF_HEADERS is not set
# CONFIG_COMPACTION is not set
# CONFIG_MIGRATION is not set
-# CONFIG_BOUNCE is not set
CONFIG_NET=y
# CONFIG_IUCV is not set
+# CONFIG_PCPU_DEV_REFCNT is not set
# CONFIG_ETHTOOL_NETLINK is not set
CONFIG_DEVTMPFS=y
CONFIG_BLK_DEV_RAM=y
@@ -51,7 +51,6 @@ CONFIG_ZFCP=y
# CONFIG_SERIO is not set
# CONFIG_HVC_IUCV is not set
# CONFIG_HW_RANDOM_S390 is not set
-CONFIG_RAW_DRIVER=y
# CONFIG_HMC_DRV is not set
# CONFIG_S390_TAPE is not set
# CONFIG_VMCP is not set
diff --git a/arch/s390/include/asm/ftrace.h b/arch/s390/include/asm/ftrace.h
index 695c61989f97..345cbe982a8b 100644
--- a/arch/s390/include/asm/ftrace.h
+++ b/arch/s390/include/asm/ftrace.h
@@ -19,6 +19,7 @@ void ftrace_caller(void);
extern char ftrace_graph_caller_end;
extern unsigned long ftrace_plt;
+extern void *ftrace_func;
struct dyn_arch_ftrace { };
diff --git a/arch/s390/kernel/ftrace.c b/arch/s390/kernel/ftrace.c
index c6ddeb5029b4..2d8f595d9196 100644
--- a/arch/s390/kernel/ftrace.c
+++ b/arch/s390/kernel/ftrace.c
@@ -40,6 +40,7 @@
* trampoline (ftrace_plt), which clobbers also r1.
*/
+void *ftrace_func __read_mostly = ftrace_stub;
unsigned long ftrace_plt;
int ftrace_modify_call(struct dyn_ftrace *rec, unsigned long old_addr,
@@ -85,6 +86,7 @@ int ftrace_make_call(struct dyn_ftrace *rec, unsigned long addr)
int ftrace_update_ftrace_func(ftrace_func_t func)
{
+ ftrace_func = func;
return 0;
}
diff --git a/arch/s390/kernel/mcount.S b/arch/s390/kernel/mcount.S
index faf64c2f90f5..6b13797143a7 100644
--- a/arch/s390/kernel/mcount.S
+++ b/arch/s390/kernel/mcount.S
@@ -59,13 +59,13 @@ ENTRY(ftrace_caller)
#ifdef CONFIG_HAVE_MARCH_Z196_FEATURES
aghik %r2,%r0,-MCOUNT_INSN_SIZE
lgrl %r4,function_trace_op
- lgrl %r1,ftrace_trace_function
+ lgrl %r1,ftrace_func
#else
lgr %r2,%r0
aghi %r2,-MCOUNT_INSN_SIZE
larl %r4,function_trace_op
lg %r4,0(%r4)
- larl %r1,ftrace_trace_function
+ larl %r1,ftrace_func
lg %r1,0(%r1)
#endif
lgr %r3,%r14
diff --git a/arch/s390/kernel/perf_cpum_cf.c b/arch/s390/kernel/perf_cpum_cf.c
index 975a00c8c564..d7dc36ec0a60 100644
--- a/arch/s390/kernel/perf_cpum_cf.c
+++ b/arch/s390/kernel/perf_cpum_cf.c
@@ -745,7 +745,7 @@ static int __init cpumf_pmu_init(void)
if (!cf_dbg) {
pr_err("Registration of s390dbf(cpum_cf) failed\n");
return -ENOMEM;
- };
+ }
debug_register_view(cf_dbg, &debug_sprintf_view);
cpumf_pmu.attr_groups = cpumf_cf_event_group();
diff --git a/arch/s390/kernel/uprobes.c b/arch/s390/kernel/uprobes.c
index bbf8622bbf5d..bd3ef121c379 100644
--- a/arch/s390/kernel/uprobes.c
+++ b/arch/s390/kernel/uprobes.c
@@ -126,6 +126,7 @@ int arch_uprobe_exception_notify(struct notifier_block *self, unsigned long val,
case DIE_SSTEP:
if (uprobe_post_sstep_notifier(regs))
return NOTIFY_STOP;
+ break;
default:
break;
}
diff --git a/arch/s390/kernel/vdso32/Makefile b/arch/s390/kernel/vdso32/Makefile
index b2349a3f4fa3..3457dcf10396 100644
--- a/arch/s390/kernel/vdso32/Makefile
+++ b/arch/s390/kernel/vdso32/Makefile
@@ -29,6 +29,7 @@ $(targets:%=$(obj)/%.dbg): KBUILD_CFLAGS = $(KBUILD_CFLAGS_32)
$(targets:%=$(obj)/%.dbg): KBUILD_AFLAGS = $(KBUILD_AFLAGS_32)
obj-y += vdso32_wrapper.o
+targets += vdso32.lds
CPPFLAGS_vdso32.lds += -P -C -U$(ARCH)
# Disable gcov profiling, ubsan and kasan for VDSO code
diff --git a/arch/s390/net/bpf_jit_comp.c b/arch/s390/net/bpf_jit_comp.c
index 63cae0476bb4..2ae419f5115a 100644
--- a/arch/s390/net/bpf_jit_comp.c
+++ b/arch/s390/net/bpf_jit_comp.c
@@ -112,7 +112,7 @@ static inline void reg_set_seen(struct bpf_jit *jit, u32 b1)
{
u32 r1 = reg2hex[b1];
- if (!jit->seen_reg[r1] && r1 >= 6 && r1 <= 15)
+ if (r1 >= 6 && r1 <= 15 && !jit->seen_reg[r1])
jit->seen_reg[r1] = 1;
}
diff --git a/arch/x86/kernel/cpu/mshyperv.c b/arch/x86/kernel/cpu/mshyperv.c
index cc8f1773deca..c890d67a64ad 100644
--- a/arch/x86/kernel/cpu/mshyperv.c
+++ b/arch/x86/kernel/cpu/mshyperv.c
@@ -237,7 +237,7 @@ static void __init hv_smp_prepare_cpus(unsigned int max_cpus)
for_each_present_cpu(i) {
if (i == 0)
continue;
- ret = hv_call_add_logical_proc(numa_cpu_node(i), i, i);
+ ret = hv_call_add_logical_proc(numa_cpu_node(i), i, cpu_physical_id(i));
BUG_ON(ret);
}
diff --git a/arch/x86/kvm/cpuid.c b/arch/x86/kvm/cpuid.c
index c42613cfb5ba..739be5da3bca 100644
--- a/arch/x86/kvm/cpuid.c
+++ b/arch/x86/kvm/cpuid.c
@@ -765,7 +765,8 @@ static inline int __do_cpuid_func(struct kvm_cpuid_array *array, u32 function)
edx.split.num_counters_fixed = min(cap.num_counters_fixed, MAX_FIXED_COUNTERS);
edx.split.bit_width_fixed = cap.bit_width_fixed;
- edx.split.anythread_deprecated = 1;
+ if (cap.version)
+ edx.split.anythread_deprecated = 1;
edx.split.reserved1 = 0;
edx.split.reserved2 = 0;
@@ -940,8 +941,21 @@ static inline int __do_cpuid_func(struct kvm_cpuid_array *array, u32 function)
unsigned virt_as = max((entry->eax >> 8) & 0xff, 48U);
unsigned phys_as = entry->eax & 0xff;
- if (!g_phys_as)
+ /*
+ * If TDP (NPT) is disabled use the adjusted host MAXPHYADDR as
+ * the guest operates in the same PA space as the host, i.e.
+ * reductions in MAXPHYADDR for memory encryption affect shadow
+ * paging, too.
+ *
+ * If TDP is enabled but an explicit guest MAXPHYADDR is not
+ * provided, use the raw bare metal MAXPHYADDR as reductions to
+ * the HPAs do not affect GPAs.
+ */
+ if (!tdp_enabled)
+ g_phys_as = boot_cpu_data.x86_phys_bits;
+ else if (!g_phys_as)
g_phys_as = phys_as;
+
entry->eax = g_phys_as | (virt_as << 8);
entry->edx = 0;
cpuid_entry_override(entry, CPUID_8000_0008_EBX);
@@ -964,12 +978,18 @@ static inline int __do_cpuid_func(struct kvm_cpuid_array *array, u32 function)
case 0x8000001a:
case 0x8000001e:
break;
- /* Support memory encryption cpuid if host supports it */
case 0x8000001F:
- if (!kvm_cpu_cap_has(X86_FEATURE_SEV))
+ if (!kvm_cpu_cap_has(X86_FEATURE_SEV)) {
entry->eax = entry->ebx = entry->ecx = entry->edx = 0;
- else
+ } else {
cpuid_entry_override(entry, CPUID_8000_001F_EAX);
+
+ /*
+ * Enumerate '0' for "PA bits reduction", the adjusted
+ * MAXPHYADDR is enumerated directly (see 0x80000008).
+ */
+ entry->ebx &= ~GENMASK(11, 6);
+ }
break;
/*Add support for Centaur's CPUID instruction*/
case 0xC0000000:
diff --git a/arch/x86/kvm/mmu/mmu.c b/arch/x86/kvm/mmu/mmu.c
index 845d114ae075..66f7f5bc3482 100644
--- a/arch/x86/kvm/mmu/mmu.c
+++ b/arch/x86/kvm/mmu/mmu.c
@@ -53,6 +53,8 @@
#include <asm/kvm_page_track.h>
#include "trace.h"
+#include "paging.h"
+
extern bool itlb_multihit_kvm_mitigation;
int __read_mostly nx_huge_pages = -1;
diff --git a/arch/x86/kvm/mmu/paging.h b/arch/x86/kvm/mmu/paging.h
new file mode 100644
index 000000000000..de8ab323bb70
--- /dev/null
+++ b/arch/x86/kvm/mmu/paging.h
@@ -0,0 +1,14 @@
+/* SPDX-License-Identifier: GPL-2.0-only */
+/* Shadow paging constants/helpers that don't need to be #undef'd. */
+#ifndef __KVM_X86_PAGING_H
+#define __KVM_X86_PAGING_H
+
+#define GUEST_PT64_BASE_ADDR_MASK (((1ULL << 52) - 1) & ~(u64)(PAGE_SIZE-1))
+#define PT64_LVL_ADDR_MASK(level) \
+ (GUEST_PT64_BASE_ADDR_MASK & ~((1ULL << (PAGE_SHIFT + (((level) - 1) \
+ * PT64_LEVEL_BITS))) - 1))
+#define PT64_LVL_OFFSET_MASK(level) \
+ (GUEST_PT64_BASE_ADDR_MASK & ((1ULL << (PAGE_SHIFT + (((level) - 1) \
+ * PT64_LEVEL_BITS))) - 1))
+#endif /* __KVM_X86_PAGING_H */
+
diff --git a/arch/x86/kvm/mmu/paging_tmpl.h b/arch/x86/kvm/mmu/paging_tmpl.h
index 490a028ddabe..ee044d357b5f 100644
--- a/arch/x86/kvm/mmu/paging_tmpl.h
+++ b/arch/x86/kvm/mmu/paging_tmpl.h
@@ -24,7 +24,7 @@
#define pt_element_t u64
#define guest_walker guest_walker64
#define FNAME(name) paging##64_##name
- #define PT_BASE_ADDR_MASK PT64_BASE_ADDR_MASK
+ #define PT_BASE_ADDR_MASK GUEST_PT64_BASE_ADDR_MASK
#define PT_LVL_ADDR_MASK(lvl) PT64_LVL_ADDR_MASK(lvl)
#define PT_LVL_OFFSET_MASK(lvl) PT64_LVL_OFFSET_MASK(lvl)
#define PT_INDEX(addr, level) PT64_INDEX(addr, level)
@@ -57,7 +57,7 @@
#define pt_element_t u64
#define guest_walker guest_walkerEPT
#define FNAME(name) ept_##name
- #define PT_BASE_ADDR_MASK PT64_BASE_ADDR_MASK
+ #define PT_BASE_ADDR_MASK GUEST_PT64_BASE_ADDR_MASK
#define PT_LVL_ADDR_MASK(lvl) PT64_LVL_ADDR_MASK(lvl)
#define PT_LVL_OFFSET_MASK(lvl) PT64_LVL_OFFSET_MASK(lvl)
#define PT_INDEX(addr, level) PT64_INDEX(addr, level)
diff --git a/arch/x86/kvm/mmu/spte.h b/arch/x86/kvm/mmu/spte.h
index 7a5ce9314107..eb7b227fc6cf 100644
--- a/arch/x86/kvm/mmu/spte.h
+++ b/arch/x86/kvm/mmu/spte.h
@@ -38,12 +38,6 @@ static_assert(SPTE_TDP_AD_ENABLED_MASK == 0);
#else
#define PT64_BASE_ADDR_MASK (((1ULL << 52) - 1) & ~(u64)(PAGE_SIZE-1))
#endif
-#define PT64_LVL_ADDR_MASK(level) \
- (PT64_BASE_ADDR_MASK & ~((1ULL << (PAGE_SHIFT + (((level) - 1) \
- * PT64_LEVEL_BITS))) - 1))
-#define PT64_LVL_OFFSET_MASK(level) \
- (PT64_BASE_ADDR_MASK & ((1ULL << (PAGE_SHIFT + (((level) - 1) \
- * PT64_LEVEL_BITS))) - 1))
#define PT64_PERM_MASK (PT_PRESENT_MASK | PT_WRITABLE_MASK | shadow_user_mask \
| shadow_x_mask | shadow_nx_mask | shadow_me_mask)
diff --git a/arch/x86/kvm/svm/nested.c b/arch/x86/kvm/svm/nested.c
index 21d03e3a5dfd..3bd09c50c98b 100644
--- a/arch/x86/kvm/svm/nested.c
+++ b/arch/x86/kvm/svm/nested.c
@@ -154,6 +154,10 @@ void recalc_intercepts(struct vcpu_svm *svm)
for (i = 0; i < MAX_INTERCEPT; i++)
c->intercepts[i] |= g->intercepts[i];
+
+ /* If SMI is not intercepted, ignore guest SMI intercept as well */
+ if (!intercept_smi)
+ vmcb_clr_intercept(c, INTERCEPT_SMI);
}
static void copy_vmcb_control_area(struct vmcb_control_area *dst,
@@ -304,8 +308,8 @@ static bool nested_vmcb_valid_sregs(struct kvm_vcpu *vcpu,
return true;
}
-static void nested_load_control_from_vmcb12(struct vcpu_svm *svm,
- struct vmcb_control_area *control)
+void nested_load_control_from_vmcb12(struct vcpu_svm *svm,
+ struct vmcb_control_area *control)
{
copy_vmcb_control_area(&svm->nested.ctl, control);
@@ -618,6 +622,11 @@ int nested_svm_vmrun(struct kvm_vcpu *vcpu)
struct kvm_host_map map;
u64 vmcb12_gpa;
+ if (!svm->nested.hsave_msr) {
+ kvm_inject_gp(vcpu, 0);
+ return 1;
+ }
+
if (is_smm(vcpu)) {
kvm_queue_exception(vcpu, UD_VECTOR);
return 1;
@@ -692,6 +701,27 @@ out:
return ret;
}
+/* Copy state save area fields which are handled by VMRUN */
+void svm_copy_vmrun_state(struct vmcb_save_area *from_save,
+ struct vmcb_save_area *to_save)
+{
+ to_save->es = from_save->es;
+ to_save->cs = from_save->cs;
+ to_save->ss = from_save->ss;
+ to_save->ds = from_save->ds;
+ to_save->gdtr = from_save->gdtr;
+ to_save->idtr = from_save->idtr;
+ to_save->rflags = from_save->rflags | X86_EFLAGS_FIXED;
+ to_save->efer = from_save->efer;
+ to_save->cr0 = from_save->cr0;
+ to_save->cr3 = from_save->cr3;
+ to_save->cr4 = from_save->cr4;
+ to_save->rax = from_save->rax;
+ to_save->rsp = from_save->rsp;
+ to_save->rip = from_save->rip;
+ to_save->cpl = 0;
+}
+
void nested_svm_vmloadsave(struct vmcb *from_vmcb, struct vmcb *to_vmcb)
{
to_vmcb->save.fs = from_vmcb->save.fs;
@@ -1355,28 +1385,11 @@ static int svm_set_nested_state(struct kvm_vcpu *vcpu,
svm->nested.vmcb12_gpa = kvm_state->hdr.svm.vmcb_pa;
- svm->vmcb01.ptr->save.es = save->es;
- svm->vmcb01.ptr->save.cs = save->cs;
- svm->vmcb01.ptr->save.ss = save->ss;
- svm->vmcb01.ptr->save.ds = save->ds;
- svm->vmcb01.ptr->save.gdtr = save->gdtr;
- svm->vmcb01.ptr->save.idtr = save->idtr;
- svm->vmcb01.ptr->save.rflags = save->rflags | X86_EFLAGS_FIXED;
- svm->vmcb01.ptr->save.efer = save->efer;
- svm->vmcb01.ptr->save.cr0 = save->cr0;
- svm->vmcb01.ptr->save.cr3 = save->cr3;
- svm->vmcb01.ptr->save.cr4 = save->cr4;
- svm->vmcb01.ptr->save.rax = save->rax;
- svm->vmcb01.ptr->save.rsp = save->rsp;
- svm->vmcb01.ptr->save.rip = save->rip;
- svm->vmcb01.ptr->save.cpl = 0;
-
+ svm_copy_vmrun_state(save, &svm->vmcb01.ptr->save);
nested_load_control_from_vmcb12(svm, ctl);
svm_switch_vmcb(svm, &svm->nested.vmcb02);
-
nested_vmcb02_prepare_control(svm);
-
kvm_make_request(KVM_REQ_GET_NESTED_STATE_PAGES, vcpu);
ret = 0;
out_free:
diff --git a/arch/x86/kvm/svm/sev.c b/arch/x86/kvm/svm/sev.c
index 62926f1a5f7b..6710d9ee2e4b 100644
--- a/arch/x86/kvm/svm/sev.c
+++ b/arch/x86/kvm/svm/sev.c
@@ -1272,8 +1272,8 @@ static int sev_send_update_data(struct kvm *kvm, struct kvm_sev_cmd *argp)
/* Pin guest memory */
guest_page = sev_pin_memory(kvm, params.guest_uaddr & PAGE_MASK,
PAGE_SIZE, &n, 0);
- if (!guest_page)
- return -EFAULT;
+ if (IS_ERR(guest_page))
+ return PTR_ERR(guest_page);
/* allocate memory for header and transport buffer */
ret = -ENOMEM;
@@ -1310,8 +1310,9 @@ static int sev_send_update_data(struct kvm *kvm, struct kvm_sev_cmd *argp)
}
/* Copy packet header to userspace. */
- ret = copy_to_user((void __user *)(uintptr_t)params.hdr_uaddr, hdr,
- params.hdr_len);
+ if (copy_to_user((void __user *)(uintptr_t)params.hdr_uaddr, hdr,
+ params.hdr_len))
+ ret = -EFAULT;
e_free_trans_data:
kfree(trans_data);
@@ -1463,11 +1464,12 @@ static int sev_receive_update_data(struct kvm *kvm, struct kvm_sev_cmd *argp)
data.trans_len = params.trans_len;
/* Pin guest memory */
- ret = -EFAULT;
guest_page = sev_pin_memory(kvm, params.guest_uaddr & PAGE_MASK,
PAGE_SIZE, &n, 0);
- if (!guest_page)
+ if (IS_ERR(guest_page)) {
+ ret = PTR_ERR(guest_page);
goto e_free_trans;
+ }
/* The RECEIVE_UPDATE_DATA command requires C-bit to be always set. */
data.guest_address = (page_to_pfn(guest_page[0]) << PAGE_SHIFT) + offset;
diff --git a/arch/x86/kvm/svm/svm.c b/arch/x86/kvm/svm/svm.c
index 8834822c00cd..664d20f0689c 100644
--- a/arch/x86/kvm/svm/svm.c
+++ b/arch/x86/kvm/svm/svm.c
@@ -198,6 +198,11 @@ module_param(avic, bool, 0444);
bool __read_mostly dump_invalid_vmcb;
module_param(dump_invalid_vmcb, bool, 0644);
+
+bool intercept_smi = true;
+module_param(intercept_smi, bool, 0444);
+
+
static bool svm_gp_erratum_intercept = true;
static u8 rsm_ins_bytes[] = "\x0f\xaa";
@@ -1185,7 +1190,10 @@ static void init_vmcb(struct kvm_vcpu *vcpu)
svm_set_intercept(svm, INTERCEPT_INTR);
svm_set_intercept(svm, INTERCEPT_NMI);
- svm_set_intercept(svm, INTERCEPT_SMI);
+
+ if (intercept_smi)
+ svm_set_intercept(svm, INTERCEPT_SMI);
+
svm_set_intercept(svm, INTERCEPT_SELECTIVE_CR0);
svm_set_intercept(svm, INTERCEPT_RDPMC);
svm_set_intercept(svm, INTERCEPT_CPUID);
@@ -1923,7 +1931,7 @@ static int npf_interception(struct kvm_vcpu *vcpu)
{
struct vcpu_svm *svm = to_svm(vcpu);
- u64 fault_address = __sme_clr(svm->vmcb->control.exit_info_2);
+ u64 fault_address = svm->vmcb->control.exit_info_2;
u64 error_code = svm->vmcb->control.exit_info_1;
trace_kvm_page_fault(fault_address, error_code);
@@ -2106,6 +2114,11 @@ static int nmi_interception(struct kvm_vcpu *vcpu)
return 1;
}
+static int smi_interception(struct kvm_vcpu *vcpu)
+{
+ return 1;
+}
+
static int intr_interception(struct kvm_vcpu *vcpu)
{
++vcpu->stat.irq_exits;
@@ -2941,7 +2954,16 @@ static int svm_set_msr(struct kvm_vcpu *vcpu, struct msr_data *msr)
svm_disable_lbrv(vcpu);
break;
case MSR_VM_HSAVE_PA:
- svm->nested.hsave_msr = data;
+ /*
+ * Old kernels did not validate the value written to
+ * MSR_VM_HSAVE_PA. Allow KVM_SET_MSR to set an invalid
+ * value to allow live migrating buggy or malicious guests
+ * originating from those kernels.
+ */
+ if (!msr->host_initiated && !page_address_valid(vcpu, data))
+ return 1;
+
+ svm->nested.hsave_msr = data & PAGE_MASK;
break;
case MSR_VM_CR:
return svm_set_vm_cr(vcpu, data);
@@ -3080,8 +3102,7 @@ static int (*const svm_exit_handlers[])(struct kvm_vcpu *vcpu) = {
[SVM_EXIT_EXCP_BASE + GP_VECTOR] = gp_interception,
[SVM_EXIT_INTR] = intr_interception,
[SVM_EXIT_NMI] = nmi_interception,
- [SVM_EXIT_SMI] = kvm_emulate_as_nop,
- [SVM_EXIT_INIT] = kvm_emulate_as_nop,
+ [SVM_EXIT_SMI] = smi_interception,
[SVM_EXIT_VINTR] = interrupt_window_interception,
[SVM_EXIT_RDPMC] = kvm_emulate_rdpmc,
[SVM_EXIT_CPUID] = kvm_emulate_cpuid,
@@ -4288,6 +4309,7 @@ static int svm_smi_allowed(struct kvm_vcpu *vcpu, bool for_injection)
static int svm_enter_smm(struct kvm_vcpu *vcpu, char *smstate)
{
struct vcpu_svm *svm = to_svm(vcpu);
+ struct kvm_host_map map_save;
int ret;
if (is_guest_mode(vcpu)) {
@@ -4303,6 +4325,29 @@ static int svm_enter_smm(struct kvm_vcpu *vcpu, char *smstate)
ret = nested_svm_vmexit(svm);
if (ret)
return ret;
+
+ /*
+ * KVM uses VMCB01 to store L1 host state while L2 runs but
+ * VMCB01 is going to be used during SMM and thus the state will
+ * be lost. Temporary save non-VMLOAD/VMSAVE state to the host save
+ * area pointed to by MSR_VM_HSAVE_PA. APM guarantees that the
+ * format of the area is identical to guest save area offsetted
+ * by 0x400 (matches the offset of 'struct vmcb_save_area'
+ * within 'struct vmcb'). Note: HSAVE area may also be used by
+ * L1 hypervisor to save additional host context (e.g. KVM does
+ * that, see svm_prepare_guest_switch()) which must be
+ * preserved.
+ */
+ if (kvm_vcpu_map(vcpu, gpa_to_gfn(svm->nested.hsave_msr),
+ &map_save) == -EINVAL)
+ return 1;
+
+ BUILD_BUG_ON(offsetof(struct vmcb, save) != 0x400);
+
+ svm_copy_vmrun_state(&svm->vmcb01.ptr->save,
+ map_save.hva + 0x400);
+
+ kvm_vcpu_unmap(vcpu, &map_save, true);
}
return 0;
}
@@ -4310,13 +4355,14 @@ static int svm_enter_smm(struct kvm_vcpu *vcpu, char *smstate)
static int svm_leave_smm(struct kvm_vcpu *vcpu, const char *smstate)
{
struct vcpu_svm *svm = to_svm(vcpu);
- struct kvm_host_map map;
+ struct kvm_host_map map, map_save;
int ret = 0;
if (guest_cpuid_has(vcpu, X86_FEATURE_LM)) {
u64 saved_efer = GET_SMSTATE(u64, smstate, 0x7ed0);
u64 guest = GET_SMSTATE(u64, smstate, 0x7ed8);
u64 vmcb12_gpa = GET_SMSTATE(u64, smstate, 0x7ee0);
+ struct vmcb *vmcb12;
if (guest) {
if (!guest_cpuid_has(vcpu, X86_FEATURE_SVM))
@@ -4332,8 +4378,25 @@ static int svm_leave_smm(struct kvm_vcpu *vcpu, const char *smstate)
if (svm_allocate_nested(svm))
return 1;
- ret = enter_svm_guest_mode(vcpu, vmcb12_gpa, map.hva);
+ vmcb12 = map.hva;
+
+ nested_load_control_from_vmcb12(svm, &vmcb12->control);
+
+ ret = enter_svm_guest_mode(vcpu, vmcb12_gpa, vmcb12);
kvm_vcpu_unmap(vcpu, &map, true);
+
+ /*
+ * Restore L1 host state from L1 HSAVE area as VMCB01 was
+ * used during SMM (see svm_enter_smm())
+ */
+ if (kvm_vcpu_map(vcpu, gpa_to_gfn(svm->nested.hsave_msr),
+ &map_save) == -EINVAL)
+ return 1;
+
+ svm_copy_vmrun_state(map_save.hva + 0x400,
+ &svm->vmcb01.ptr->save);
+
+ kvm_vcpu_unmap(vcpu, &map_save, true);
}
}
diff --git a/arch/x86/kvm/svm/svm.h b/arch/x86/kvm/svm/svm.h
index f89b623bb591..7e2090752d8f 100644
--- a/arch/x86/kvm/svm/svm.h
+++ b/arch/x86/kvm/svm/svm.h
@@ -31,6 +31,7 @@
#define MSRPM_OFFSETS 16
extern u32 msrpm_offsets[MSRPM_OFFSETS] __read_mostly;
extern bool npt_enabled;
+extern bool intercept_smi;
/*
* Clean bits in VMCB.
@@ -463,6 +464,8 @@ void svm_leave_nested(struct vcpu_svm *svm);
void svm_free_nested(struct vcpu_svm *svm);
int svm_allocate_nested(struct vcpu_svm *svm);
int nested_svm_vmrun(struct kvm_vcpu *vcpu);
+void svm_copy_vmrun_state(struct vmcb_save_area *from_save,
+ struct vmcb_save_area *to_save);
void nested_svm_vmloadsave(struct vmcb *from_vmcb, struct vmcb *to_vmcb);
int nested_svm_vmexit(struct vcpu_svm *svm);
@@ -479,6 +482,8 @@ int nested_svm_check_permissions(struct kvm_vcpu *vcpu);
int nested_svm_check_exception(struct vcpu_svm *svm, unsigned nr,
bool has_error_code, u32 error_code);
int nested_svm_exit_special(struct vcpu_svm *svm);
+void nested_load_control_from_vmcb12(struct vcpu_svm *svm,
+ struct vmcb_control_area *control);
void nested_sync_control_from_vmcb02(struct vcpu_svm *svm);
void nested_vmcb02_compute_g_pat(struct vcpu_svm *svm);
void svm_switch_vmcb(struct vcpu_svm *svm, struct kvm_vmcb_info *target_vmcb);
diff --git a/arch/x86/kvm/vmx/vmx.h b/arch/x86/kvm/vmx/vmx.h
index 3979a947933a..db88ed4f2121 100644
--- a/arch/x86/kvm/vmx/vmx.h
+++ b/arch/x86/kvm/vmx/vmx.h
@@ -14,8 +14,6 @@
#include "vmx_ops.h"
#include "cpuid.h"
-extern const u32 vmx_msr_index[];
-
#define MSR_TYPE_R 1
#define MSR_TYPE_W 2
#define MSR_TYPE_RW 3
diff --git a/arch/x86/kvm/x86.c b/arch/x86/kvm/x86.c
index c6dc1b445231..a4fd10604f72 100644
--- a/arch/x86/kvm/x86.c
+++ b/arch/x86/kvm/x86.c
@@ -9601,6 +9601,8 @@ static int vcpu_enter_guest(struct kvm_vcpu *vcpu)
set_debugreg(vcpu->arch.eff_db[3], 3);
set_debugreg(vcpu->arch.dr6, 6);
vcpu->arch.switch_db_regs &= ~KVM_DEBUGREG_RELOAD;
+ } else if (unlikely(hw_breakpoint_active())) {
+ set_debugreg(0, 7);
}
for (;;) {
@@ -10985,9 +10987,6 @@ int kvm_arch_hardware_setup(void *opaque)
int r;
rdmsrl_safe(MSR_EFER, &host_efer);
- if (WARN_ON_ONCE(boot_cpu_has(X86_FEATURE_NX) &&
- !(host_efer & EFER_NX)))
- return -EIO;
if (boot_cpu_has(X86_FEATURE_XSAVES))
rdmsrl(MSR_IA32_XSS, host_xss);
diff --git a/arch/x86/mm/pgtable.c b/arch/x86/mm/pgtable.c
index 3364fe62b903..3481b35cb4ec 100644
--- a/arch/x86/mm/pgtable.c
+++ b/arch/x86/mm/pgtable.c
@@ -682,7 +682,6 @@ int p4d_clear_huge(p4d_t *p4d)
}
#endif
-#if CONFIG_PGTABLE_LEVELS > 3
/**
* pud_set_huge - setup kernel PUD mapping
*
@@ -722,23 +721,6 @@ int pud_set_huge(pud_t *pud, phys_addr_t addr, pgprot_t prot)
}
/**
- * pud_clear_huge - clear kernel PUD mapping when it is set
- *
- * Returns 1 on success and 0 on failure (no PUD map is found).
- */
-int pud_clear_huge(pud_t *pud)
-{
- if (pud_large(*pud)) {
- pud_clear(pud);
- return 1;
- }
-
- return 0;
-}
-#endif
-
-#if CONFIG_PGTABLE_LEVELS > 2
-/**
* pmd_set_huge - setup kernel PMD mapping
*
* See text over pud_set_huge() above.
@@ -769,6 +751,21 @@ int pmd_set_huge(pmd_t *pmd, phys_addr_t addr, pgprot_t prot)
}
/**
+ * pud_clear_huge - clear kernel PUD mapping when it is set
+ *
+ * Returns 1 on success and 0 on failure (no PUD map is found).
+ */
+int pud_clear_huge(pud_t *pud)
+{
+ if (pud_large(*pud)) {
+ pud_clear(pud);
+ return 1;
+ }
+
+ return 0;
+}
+
+/**
* pmd_clear_huge - clear kernel PMD mapping when it is set
*
* Returns 1 on success and 0 on failure (no PMD map is found).
@@ -782,7 +779,6 @@ int pmd_clear_huge(pmd_t *pmd)
return 0;
}
-#endif
#ifdef CONFIG_X86_64
/**