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Pull networking fixes from David Miller:
1) Fix ieeeu02154 atusb driver use-after-free, from Johan Hovold.
2) Need to validate TCA_CBQ_WRROPT netlink attributes, from Eric
Dumazet.
3) txq null deref in mac80211, from Miaoqing Pan.
4) ionic driver needs to select NET_DEVLINK, from Arnd Bergmann.
5) Need to disable bh during nft_connlimit GC, from Pablo Neira Ayuso.
6) Avoid division by zero in taprio scheduler, from Vladimir Oltean.
7) Various xgmac fixes in stmmac driver from Jose Abreu.
8) Avoid 64-bit division in mlx5 leading to link errors on 32-bit from
Michal Kubecek.
9) Fix bad VLAN check in rtl8366 DSA driver, from Linus Walleij.
10) Fix sleep while atomic in sja1105, from Vladimir Oltean.
11) Suspend/resume deadlock in stmmac, from Thierry Reding.
12) Various UDP GSO fixes from Josh Hunt.
13) Fix slab out of bounds access in tcp_zerocopy_receive(), from Eric
Dumazet.
14) Fix OOPS in __ipv6_ifa_notify(), from David Ahern.
15) Memory leak in NFC's llcp_sock_bind, from Eric Dumazet.
* git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net: (72 commits)
selftests/net: add nettest to .gitignore
net: qlogic: Fix memory leak in ql_alloc_large_buffers
nfc: fix memory leak in llcp_sock_bind()
sch_dsmark: fix potential NULL deref in dsmark_init()
net: phy: at803x: use operating parameters from PHY-specific status
net: phy: extract pause mode
net: phy: extract link partner advertisement reading
net: phy: fix write to mii-ctrl1000 register
ipv6: Handle missing host route in __ipv6_ifa_notify
net: phy: allow for reset line to be tied to a sleepy GPIO controller
net: ipv4: avoid mixed n_redirects and rate_tokens usage
r8152: Set macpassthru in reset_resume callback
cxgb4:Fix out-of-bounds MSI-X info array access
Revert "ipv6: Handle race in addrconf_dad_work"
net: make sock_prot_memory_pressure() return "const char *"
rxrpc: Fix rxrpc_recvmsg tracepoint
qmi_wwan: add support for Cinterion CLS8 devices
tcp: fix slab-out-of-bounds in tcp_zerocopy_receive()
lib: textsearch: fix escapes in example code
udp: only do GSO if # of segs > 1
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nettest is missing from gitignore.
Fixes: acda655fefae ("selftests: Add nettest")
Signed-off-by: Jakub Kicinski <jakub.kicinski@netronome.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Pull KVM fixes from Paolo Bonzini:
"ARM and x86 bugfixes of all kinds.
The most visible one is that migrating a nested hypervisor has always
been busted on Broadwell and newer processors, and that has finally
been fixed"
* tag 'for-linus' of git://git.kernel.org/pub/scm/virt/kvm/kvm: (22 commits)
KVM: x86: omit "impossible" pmu MSRs from MSR list
KVM: nVMX: Fix consistency check on injected exception error code
KVM: x86: omit absent pmu MSRs from MSR list
selftests: kvm: Fix libkvm build error
kvm: vmx: Limit guest PMCs to those supported on the host
kvm: x86, powerpc: do not allow clearing largepages debugfs entry
KVM: selftests: x86: clarify what is reported on KVM_GET_MSRS failure
KVM: VMX: Set VMENTER_L1D_FLUSH_NOT_REQUIRED if !X86_BUG_L1TF
selftests: kvm: add test for dirty logging inside nested guests
KVM: x86: fix nested guest live migration with PML
KVM: x86: assign two bits to track SPTE kinds
KVM: x86: Expose XSAVEERPTR to the guest
kvm: x86: Enumerate support for CLZERO instruction
kvm: x86: Use AMD CPUID semantics for AMD vCPUs
kvm: x86: Improve emulation of CPUID leaves 0BH and 1FH
KVM: X86: Fix userspace set invalid CR4
kvm: x86: Fix a spurious -E2BIG in __do_cpuid_func
KVM: LAPIC: Loosen filter for adaptive tuning of lapic_timer_advance_ns
KVM: arm/arm64: vgic: Use the appropriate TRACE_INCLUDE_PATH
arm64: KVM: Kill hyp_alternate_select()
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Prior to this change an application sending <= 1MSS worth of data and
enabling UDP GSO would fail if the system had SW GSO enabled, but the
same send would succeed if HW GSO offload is enabled. In addition to this
inconsistency the error in the SW GSO case does not get back to the
application if sending out of a real device so the user is unaware of this
failure.
With this change we only perform GSO if the # of segments is > 1 even
if the application has enabled segmentation. I've also updated the
relevant udpgso selftests.
Fixes: bec1f6f69736 ("udp: generate gso with UDP_SEGMENT")
Signed-off-by: Josh Hunt <johunt@akamai.com>
Reviewed-by: Willem de Bruijn <willemb@google.com>
Reviewed-by: Alexander Duyck <alexander.h.duyck@linux.intel.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Fix the following build error from "make TARGETS=kvm kselftest":
libkvm.a(assert.o): relocation R_X86_64_32 against `.rodata.str1.1' can not be used when making a PIE object; recompile with -fPIC
This error is seen when build is done from the main Makefile using
kselftest target. In this case KBUILD_CPPFLAGS and CC_OPTION_CFLAGS
are defined.
When build is invoked using:
"make -C tools/testing/selftests/kvm" KBUILD_CPPFLAGS and CC_OPTION_CFLAGS
aren't defined.
There is no need to pass in KBUILD_CPPFLAGS and CC_OPTION_CFLAGS for the
check to determine if --no-pie is necessary, which is the case when these
two aren't defined when "make -C tools/testing/selftests/kvm" runs.
Fix it by simplifying the no-pie-option logic. With this change, both
build variations work.
"make TARGETS=kvm kselftest"
"make -C tools/testing/selftests/kvm"
Signed-off-by: Shuah Khan <skhan@linuxfoundation.org>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
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Fix build failure:
undefined reference to `pthread_create'
collect2: error: ld returned 1 exit status
Fix CFLAGS to include pthread correctly.
Fixes: 740378dc7834 ("pidfd: add polling selftests")
Signed-off-by: Shuah Khan <skhan@linuxfoundation.org>
Reviewed-by: Christian Brauner <christian.brauner@ubuntu.com>
Cc: <stable@vger.kernel.org>
Link: https://lore.kernel.org/r/20190924195237.30519-1-skhan@linuxfoundation.org
Signed-off-by: Christian Brauner <christian.brauner@ubuntu.com>
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git://git.kernel.org/pub/scm/linux/kernel/git/rostedt/linux-trace
Pull tracing fixes from Steven Rostedt:
"A few more tracing fixes:
- Fix a buffer overflow by checking nr_args correctly in probes
- Fix a warning that is reported by clang
- Fix a possible memory leak in error path of filter processing
- Fix the selftest that checks for failures, but wasn't failing
- Minor clean up on call site output of a memory trace event"
* tag 'trace-v5.4-3' of git://git.kernel.org/pub/scm/linux/kernel/git/rostedt/linux-trace:
selftests/ftrace: Fix same probe error test
mm, tracing: Print symbol name for call_site in trace events
tracing: Have error path in predicate_parse() free its allocated memory
tracing: Fix clang -Wint-in-bool-context warnings in IF_ASSIGN macro
tracing/probe: Fix to check the difference of nr_args before adding probe
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git://git.kernel.org/pub/scm/linux/kernel/git/nvdimm/nvdimm
More libnvdimm updates from Dan Williams:
- Complete the reworks to interoperate with powerpc dynamic huge page
sizes
- Fix a crash due to missed accounting for the powerpc 'struct
page'-memmap mapping granularity
- Fix badblock initialization for volatile (DRAM emulated) pmem ranges
- Stop triggering request_key() notifications to userspace when
NVDIMM-security is disabled / not present
- Miscellaneous small fixups
* tag 'libnvdimm-fixes-5.4-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/nvdimm/nvdimm:
libnvdimm/region: Enable MAP_SYNC for volatile regions
libnvdimm: prevent nvdimm from requesting key when security is disabled
libnvdimm/region: Initialize bad block for volatile namespaces
libnvdimm/nfit_test: Fix acpi_handle redefinition
libnvdimm/altmap: Track namespace boundaries in altmap
libnvdimm: Fix endian conversion issues
libnvdimm/dax: Pick the right alignment default when creating dax devices
powerpc/book3s64: Export has_transparent_hugepage() related functions.
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Pull networking fixes from David Miller:
1) Sanity check URB networking device parameters to avoid divide by
zero, from Oliver Neukum.
2) Disable global multicast filter in NCSI, otherwise LLDP and IPV6
don't work properly. Longer term this needs a better fix tho. From
Vijay Khemka.
3) Small fixes to selftests (use ping when ping6 is not present, etc.)
from David Ahern.
4) Bring back rt_uses_gateway member of struct rtable, it's semantics
were not well understood and trying to remove it broke things. From
David Ahern.
5) Move usbnet snaity checking, ignore endpoints with invalid
wMaxPacketSize. From Bjørn Mork.
6) Missing Kconfig deps for sja1105 driver, from Mao Wenan.
7) Various small fixes to the mlx5 DR steering code, from Alaa Hleihel,
Alex Vesker, and Yevgeny Kliteynik
8) Missing CAP_NET_RAW checks in various places, from Ori Nimron.
9) Fix crash when removing sch_cbs entry while offloading is enabled,
from Vinicius Costa Gomes.
10) Signedness bug fixes, generally in looking at the result given by
of_get_phy_mode() and friends. From Dan Crapenter.
11) Disable preemption around BPF_PROG_RUN() calls, from Eric Dumazet.
12) Don't create VRF ipv6 rules if ipv6 is disabled, from David Ahern.
13) Fix quantization code in tcp_bbr, from Kevin Yang.
* git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net: (127 commits)
net: tap: clean up an indentation issue
nfp: abm: fix memory leak in nfp_abm_u32_knode_replace
tcp: better handle TCP_USER_TIMEOUT in SYN_SENT state
sk_buff: drop all skb extensions on free and skb scrubbing
tcp_bbr: fix quantization code to not raise cwnd if not probing bandwidth
mlxsw: spectrum_flower: Fail in case user specifies multiple mirror actions
Documentation: Clarify trap's description
mlxsw: spectrum: Clear VLAN filters during port initialization
net: ena: clean up indentation issue
NFC: st95hf: clean up indentation issue
net: phy: micrel: add Asym Pause workaround for KSZ9021
net: socionext: ave: Avoid using netdev_err() before calling register_netdev()
ptp: correctly disable flags on old ioctls
lib: dimlib: fix help text typos
net: dsa: microchip: Always set regmap stride to 1
nfp: flower: fix memory leak in nfp_flower_spawn_vnic_reprs
nfp: flower: prevent memory leak in nfp_flower_spawn_phy_reprs
net/sched: Set default of CONFIG_NET_TC_SKB_EXT to N
vrf: Do not attempt to create IPv6 mcast rule if IPv6 is disabled
net: sched: sch_sfb: don't call qdisc_put() while holding tree lock
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The "same probe" selftest that tests that adding the same probe fails
doesn't add the same probe and passes, which fails the test.
Fixes: b78b94b82122 ("selftests/ftrace: Update kprobe event error testcase")
Signed-off-by: Steven Rostedt (VMware) <rostedt@goodmis.org>
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git://git.kernel.org/pub/scm/linux/kernel/git/powerpc/linux
Pull powerpc fixes from Michael Ellerman:
"An assortment of fixes that were either missed by me, or didn't arrive
quite in time for the first v5.4 pull.
- Most notable is a fix for an issue with tlbie (broadcast TLB
invalidation) on Power9, when using the Radix MMU. The tlbie can
race with an mtpid (move to PID register, essentially MMU context
switch) on another thread of the core, which can cause stores to
continue to go to a page after it's unmapped.
- A fix in our KVM code to add a missing barrier, the lack of which
has been observed to cause missed IPIs and subsequently stuck CPUs
in the host.
- A change to the way we initialise PCR (Processor Compatibility
Register) to make it forward compatible with future CPUs.
- On some older PowerVM systems our H_BLOCK_REMOVE support could
oops, fix it to detect such systems and fallback to the old
invalidation method.
- A fix for an oops seen on some machines when using KASAN on 32-bit.
- A handful of other minor fixes, and two new selftests.
Thanks to: Alistair Popple, Aneesh Kumar K.V, Christophe Leroy,
Gustavo Romero, Joel Stanley, Jordan Niethe, Laurent Dufour, Michael
Roth, Oliver O'Halloran"
* tag 'powerpc-5.4-2' of git://git.kernel.org/pub/scm/linux/kernel/git/powerpc/linux:
powerpc/eeh: Fix eeh eeh_debugfs_break_device() with SRIOV devices
powerpc/nvdimm: use H_SCM_QUERY hcall on H_OVERLAP error
powerpc/nvdimm: Use HCALL error as the return value
selftests/powerpc: Add test case for tlbie vs mtpidr ordering issue
powerpc/mm: Fixup tlbie vs mtpidr/mtlpidr ordering issue on POWER9
powerpc/book3s64/radix: Rename CPU_FTR_P9_TLBIE_BUG feature flag
powerpc/book3s64/mm: Don't do tlbie fixup for some hardware revisions
powerpc/pseries: Call H_BLOCK_REMOVE when supported
powerpc/pseries: Read TLB Block Invalidate Characteristics
KVM: PPC: Book3S HV: use smp_mb() when setting/clearing host_ipi flag
powerpc/mm: Fix an Oops in kasan_mmu_init()
powerpc/mm: Add a helper to select PAGE_KERNEL_RO or PAGE_READONLY
powerpc/64s: Set reserved PCR bits
powerpc: Fix definition of PCR bits to work with old binutils
powerpc/book3s64/radix: Remove WARN_ON in destroy_context()
powerpc/tm: Add tm-poison test
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git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
Pull scheduler fixes from Ingo Molnar:
- Apply a number of membarrier related fixes and cleanups, which fixes
a use-after-free race in the membarrier code
- Introduce proper RCU protection for tasks on the runqueue - to get
rid of the subtle task_rcu_dereference() interface that was easy to
get wrong
- Misc fixes, but also an EAS speedup
* 'sched-urgent-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
sched/fair: Avoid redundant EAS calculation
sched/core: Remove double update_max_interval() call on CPU startup
sched/core: Fix preempt_schedule() interrupt return comment
sched/fair: Fix -Wunused-but-set-variable warnings
sched/core: Fix migration to invalid CPU in __set_cpus_allowed_ptr()
sched/membarrier: Return -ENOMEM to userspace on memory allocation failure
sched/membarrier: Skip IPIs when mm->mm_users == 1
selftests, sched/membarrier: Add multi-threaded test
sched/membarrier: Fix p->mm->membarrier_state racy load
sched/membarrier: Call sync_core only before usermode for same mm
sched/membarrier: Remove redundant check
sched/membarrier: Fix private expedited registration check
tasks, sched/core: RCUify the assignment of rq->curr
tasks, sched/core: With a grace period after finish_task_switch(), remove unnecessary code
tasks, sched/core: Ensure tasks are available for a grace period after leaving the runqueue
tasks: Add a count of task RCU users
sched/core: Convert vcpu_is_preempted() from macro to an inline function
sched/fair: Remove unused cfs_rq_clock_task() function
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git://git.kernel.org/pub/scm/linux/kernel/git/zohar/linux-integrity
Pull integrity updates from Mimi Zohar:
"The major feature in this time is IMA support for measuring and
appraising appended file signatures. In addition are a couple of bug
fixes and code cleanup to use struct_size().
In addition to the PE/COFF and IMA xattr signatures, the kexec kernel
image may be signed with an appended signature, using the same
scripts/sign-file tool that is used to sign kernel modules.
Similarly, the initramfs may contain an appended signature.
This contained a lot of refactoring of the existing appended signature
verification code, so that IMA could retain the existing framework of
calculating the file hash once, storing it in the IMA measurement list
and extending the TPM, verifying the file's integrity based on a file
hash or signature (eg. xattrs), and adding an audit record containing
the file hash, all based on policy. (The IMA support for appended
signatures patch set was posted and reviewed 11 times.)
The support for appended signature paves the way for adding other
signature verification methods, such as fs-verity, based on a single
system-wide policy. The file hash used for verifying the signature and
the signature, itself, can be included in the IMA measurement list"
* 'next-integrity' of git://git.kernel.org/pub/scm/linux/kernel/git/zohar/linux-integrity:
ima: ima_api: Use struct_size() in kzalloc()
ima: use struct_size() in kzalloc()
sefltest/ima: support appended signatures (modsig)
ima: Fix use after free in ima_read_modsig()
MODSIGN: make new include file self contained
ima: fix freeing ongoing ahash_request
ima: always return negative code for error
ima: Store the measurement again when appraising a modsig
ima: Define ima-modsig template
ima: Collect modsig
ima: Implement support for module-style appended signatures
ima: Factor xattr_verify() out of ima_appraise_measurement()
ima: Add modsig appraise_type option for module-style appended signatures
integrity: Select CONFIG_KEYS instead of depending on it
PKCS#7: Introduce pkcs7_get_digest()
PKCS#7: Refactor verify_pkcs7_signature()
MODSIGN: Export module signature definitions
ima: initialize the "template" field with the default template
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Pull more KVM updates from Paolo Bonzini:
"x86 KVM changes:
- The usual accuracy improvements for nested virtualization
- The usual round of code cleanups from Sean
- Added back optimizations that were prematurely removed in 5.2 (the
bare minimum needed to fix the regression was in 5.3-rc8, here
comes the rest)
- Support for UMWAIT/UMONITOR/TPAUSE
- Direct L2->L0 TLB flushing when L0 is Hyper-V and L1 is KVM
- Tell Windows guests if SMT is disabled on the host
- More accurate detection of vmexit cost
- Revert a pvqspinlock pessimization"
* tag 'for-linus' of git://git.kernel.org/pub/scm/virt/kvm/kvm: (56 commits)
KVM: nVMX: cleanup and fix host 64-bit mode checks
KVM: vmx: fix build warnings in hv_enable_direct_tlbflush() on i386
KVM: x86: Don't check kvm_rebooting in __kvm_handle_fault_on_reboot()
KVM: x86: Drop ____kvm_handle_fault_on_reboot()
KVM: VMX: Add error handling to VMREAD helper
KVM: VMX: Optimize VMX instruction error and fault handling
KVM: x86: Check kvm_rebooting in kvm_spurious_fault()
KVM: selftests: fix ucall on x86
Revert "locking/pvqspinlock: Don't wait if vCPU is preempted"
kvm: nvmx: limit atomic switch MSRs
kvm: svm: Intercept RDPRU
kvm: x86: Add "significant index" flag to a few CPUID leaves
KVM: x86/mmu: Skip invalid pages during zapping iff root_count is zero
KVM: x86/mmu: Explicitly track only a single invalid mmu generation
KVM: x86/mmu: Revert "KVM: x86/mmu: Remove is_obsolete() call"
KVM: x86/mmu: Revert "Revert "KVM: MMU: reclaim the zapped-obsolete page first""
KVM: x86/mmu: Revert "Revert "KVM: MMU: collapse TLB flushes when zap all pages""
KVM: x86/mmu: Revert "Revert "KVM: MMU: zap pages in batch""
KVM: x86/mmu: Revert "Revert "KVM: MMU: add tracepoint for kvm_mmu_invalidate_all_pages""
KVM: x86/mmu: Revert "Revert "KVM: MMU: show mmu_valid_gen in shadow page related tracepoints""
...
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When a port is created, its VLAN filters are not cleared by the
firmware. This causes tagged packets to be later dropped by the ingress
STP filters, which default to DISCARD state.
The above did not matter much until commit b5ce611fd96e ("mlxsw:
spectrum: Add devlink-trap support") where we exposed the drop reason to
users.
Without this patch, the drop reason users will see is not consistent. If
a port is enslaved to a VLAN-aware bridge and a packet with an invalid
VLAN tries to ingress the bridge, it will be dropped due to ingress STP
filter. If the VLAN is later enabled and then disabled, the packet will
be dropped by the ingress VLAN filter despite the above being a
seemingly NOP operation.
Fix this by clearing all the VLAN filters during port initialization.
Adjust the test accordingly.
Fixes: b5ce611fd96e ("mlxsw: spectrum: Add devlink-trap support")
Reported-by: Alex Kushnarov <alexanderk@mellanox.com>
Tested-by: Alex Kushnarov <alexanderk@mellanox.com>
Acked-by: Jiri Pirko <jiri@mellanox.com>
Signed-off-by: Ido Schimmel <idosch@mellanox.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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When KVM_GET_MSRS fail the report looks like
==== Test Assertion Failure ====
lib/x86_64/processor.c:1089: r == nmsrs
pid=28775 tid=28775 - Argument list too long
1 0x000000000040a55f: vcpu_save_state at processor.c:1088 (discriminator 3)
2 0x00000000004010e3: main at state_test.c:171 (discriminator 4)
3 0x00007fb8e69223d4: ?? ??:0
4 0x0000000000401287: _start at ??:?
Unexpected result from KVM_GET_MSRS, r: 36 (failed at 194)
and it's not obvious that '194' here is the failed MSR index and that
it's printed in hex. Change that.
Suggested-by: Sean Christopherson <sean.j.christopherson@intel.com>
Signed-off-by: Vitaly Kuznetsov <vkuznets@redhat.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
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Daniel Borkmann says:
====================
pull-request: bpf 2019-09-27
The following pull-request contains BPF updates for your *net* tree.
The main changes are:
1) Fix libbpf's BTF dumper to not skip anonymous enum definitions, from Andrii.
2) Fix BTF verifier issues when handling the BTF of vmlinux, from Alexei.
3) Fix nested calls into bpf_event_output() from TCP sockops BPF
programs, from Allan.
4) Fix NULL pointer dereference in AF_XDP's xsk map creation when
allocation fails, from Jonathan.
5) Remove unneeded 64 byte alignment requirement of the AF_XDP UMEM
headroom, from Bjorn.
6) Remove unused XDP_OPTIONS getsockopt() call which results in an error
on older kernels, from Toke.
7) Fix a client/server race in tcp_rtt BPF kselftest case, from Stanislav.
8) Fix indentation issue in BTF's btf_enum_check_kflag_member(), from Colin.
====================
Signed-off-by: David S. Miller <davem@davemloft.net>
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Check that accesses by nested guests are logged according to the
L1 physical addresses rather than L2.
Most of the patch is really adding EPT support to the testing
framework.
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
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git://git.kernel.org/pub/scm/linux/kernel/git/shuah/linux-kselftest
Pull Kselftest updates from Shuah Khan:
"Fixes to existing tests"
* tag 'linux-kselftest-5.4-rc1.1' of git://git.kernel.org/pub/scm/linux/kernel/git/shuah/linux-kselftest:
selftests: tpm2: install python files
selftests: livepatch: add missing fragments to config
selftests: watchdog: cleanup whitespace in usage options
selftest/ftrace: Fix typo in trigger-snapshot.tc
selftests: watchdog: Add optional file argument
selftests/seccomp: fix build on older kernels
selftests: use "$(MAKE)" instead of "make"
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Commit 7d9e5f422150 removed references from certain dsts, but accounting
for this never translated down into the fib6 suppression code. This bug
was triggered by WireGuard users who use wg-quick(8), which uses the
"suppress-prefix" directive to ip-rule(8) for routing all of their
internet traffic without routing loops. The test case added here
causes the reference underflow by causing packets to evaluate a suppress
rule.
Fixes: 7d9e5f422150 ("ipv6: convert major tx path to use RT6_LOOKUP_F_DST_NOREF")
Signed-off-by: Jason A. Donenfeld <Jason@zx2c4.com>
Acked-by: Wei Wang <weiwan@google.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Some recent changes in latest Clang started causing the following
warning when unrolling strobemeta test case main loop:
progs/strobemeta.h:416:2: warning: loop not unrolled: the optimizer was
unable to perform the requested transformation; the transformation might
be disabled or specified as part of an unsupported transformation
ordering [-Wpass-failed=transform-warning]
This patch simplifies loop's exit condition to depend only on constant
max iteration number (STROBE_MAX_MAP_ENTRIES), while moving early
termination logic inside the loop body. The changes are equivalent from
program logic standpoint, but fixes the warning. It also appears to
improve generated BPF code, as it fixes previously failing non-unrolled
strobemeta test cases.
Cc: Alexei Starovoitov <ast@fb.com>
Signed-off-by: Andrii Nakryiko <andriin@fb.com>
Signed-off-by: Daniel Borkmann <daniel@iogearbox.net>
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Remove no longer used variables and avoid compiler warnings.
Signed-off-by: Andrii Nakryiko <andriin@fb.com>
Signed-off-by: Daniel Borkmann <daniel@iogearbox.net>
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This is the same problem I found earlier in test_sockopt_inherit:
there is a race between server thread doing accept() and client
thread doing connect(). Let's explicitly synchronize them via
pthread conditional variable.
v2:
* don't exit from server_thread without signaling condvar,
fixes possible issue where main() would wait forever (Andrii Nakryiko)
Fixes: b55873984dab ("selftests/bpf: test BPF_SOCK_OPS_RTT_CB")
Signed-off-by: Stanislav Fomichev <sdf@google.com>
Signed-off-by: Daniel Borkmann <daniel@iogearbox.net>
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membarrier commands cover very different code paths if they are in
a single-threaded vs multi-threaded process. Therefore, exercise both
scenarios in the kernel selftests to increase coverage of this selftest.
Signed-off-by: Mathieu Desnoyers <mathieu.desnoyers@efficios.com>
Signed-off-by: Peter Zijlstra (Intel) <peterz@infradead.org>
Cc: Chris Metcalf <cmetcalf@ezchip.com>
Cc: Christoph Lameter <cl@linux.com>
Cc: Eric W. Biederman <ebiederm@xmission.com>
Cc: Kirill Tkhai <tkhai@yandex.ru>
Cc: Linus Torvalds <torvalds@linux-foundation.org>
Cc: Mike Galbraith <efault@gmx.de>
Cc: Oleg Nesterov <oleg@redhat.com>
Cc: Paul E. McKenney <paulmck@linux.ibm.com>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: Russell King - ARM Linux admin <linux@armlinux.org.uk>
Cc: Shuah Khan <shuahkh@osg.samsung.com>
Cc: Thomas Gleixner <tglx@linutronix.de>
Link: https://lkml.kernel.org/r/20190919173705.2181-6-mathieu.desnoyers@efficios.com
Signed-off-by: Ingo Molnar <mingo@kernel.org>
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After commit e8bb4755eea2("KVM: selftests: Split ucall.c into architecture
specific files") selftests which use ucall on x86 started segfaulting and
apparently it's gcc to blame: it "optimizes" ucall() function throwing away
va_start/va_end part because it thinks the structure is not being used.
Previously, it couldn't do that because the there was also MMIO version and
the decision which particular implementation to use was done at runtime.
With older gccs it's possible to solve the problem by adding 'volatile'
to 'struct ucall' but at least with gcc-8.3 this trick doesn't work.
'memory' clobber seems to do the job.
Signed-off-by: Vitaly Kuznetsov <vkuznets@redhat.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
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Fixes: 6ea3dfe1e073 ("selftests: add TPM 2.0 tests")
Signed-off-by: Petr Vorel <pvorel@suse.cz>
Reviewed-by: Jarkko Sakkinen <jarkko.sakkinen@linux.intel.com>
Signed-off-by: Jarkko Sakkinen <jarkko.sakkinen@linux.intel.com>
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The Python files required by the selftests are not packaged because of
the missing assignment to TEST_FILES. Add the assignment.
Cc: stable@vger.kernel.org
Fixes: 6ea3dfe1e073 ("selftests: add TPM 2.0 tests")
Signed-off-by: Jarkko Sakkinen <jarkko.sakkinen@linux.intel.com>
Reviewed-by: Petr Vorel <pvorel@suse.cz>
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Signed-off-by: Aneesh Kumar K.V <aneesh.kumar@linux.ibm.com>
[mpe: Some minor fixes to make it build]
Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>
Link: https://lore.kernel.org/r/20190924035254.24612-4-aneesh.kumar@linux.ibm.com
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After commit 62974fc389b3 ("libnvdimm: Enable unit test infrastructure
compile checks"), clang warns:
In file included from
../drivers/nvdimm/../../tools/testing/nvdimm/test/iomap.c:15:
../drivers/nvdimm/../../tools/testing/nvdimm/test/nfit_test.h:206:15:
warning: redefinition of typedef 'acpi_handle' is a C11 feature
[-Wtypedef-redefinition]
typedef void *acpi_handle;
^
../include/acpi/actypes.h:424:15: note: previous definition is here
typedef void *acpi_handle; /* Actually a ptr to a NS Node */
^
1 warning generated.
The include chain:
iomap.c ->
linux/acpi.h ->
acpi/acpi.h ->
acpi/actypes.h
nfit_test.h
Avoid this by including linux/acpi.h in nfit_test.h, which allows us to
remove both the typedef and the forward declaration of acpi_object.
Link: https://github.com/ClangBuiltLinux/linux/issues/660
Signed-off-by: Nathan Chancellor <natechancellor@gmail.com>
Reviewed-by: Ira Weiny <ira.weiny@intel.com>
Link: https://lore.kernel.org/r/20190918042148.77553-1-natechancellor@gmail.com
Signed-off-by: Dan Williams <dan.j.williams@intel.com>
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The bit is supposed to be '1' when SMT is not supported or forcefully
disabled and '0' otherwise.
Signed-off-by: Vitaly Kuznetsov <vkuznets@redhat.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
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Remove the duplication code in run_test() of dirty_log_test because
after some reordering of functions now we can directly use the outcome
of vm_create().
Meanwhile, with the new VM_MODE_PXXV48_4K, we can safely revert
b442324b58 too where we stick the x86_64 PA width to 39 bits for
dirty_log_test.
Reviewed-by: Andrew Jones <drjones@redhat.com>
Signed-off-by: Peter Xu <peterx@redhat.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
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The naming VM_MODE_P52V48_4K is explicit but unclear when used on
x86_64 machines, because x86_64 machines are having various physical
address width rather than some static values. Here's some examples:
- Intel Xeon E3-1220: 36 bits
- Intel Core i7-8650: 39 bits
- AMD EPYC 7251: 48 bits
All of them are using 48 bits linear address width but with totally
different physical address width (and most of the old machines should
be less than 52 bits).
Let's create a new guest mode called VM_MODE_PXXV48_4K for current
x86_64 tests and make it as the default to replace the old naming of
VM_MODE_P52V48_4K because it shows more clearly that the PA width is
not really a constant. Meanwhile we also stop assuming all the x86
machines are having 52 bits PA width but instead we fetch the real
vm->pa_bits from CPUID 0x80000008 during runtime.
We currently make this exclusively used by x86_64 but no other arch.
As a slight touch up, moving DEBUG macro from dirty_log_test.c to
kvm_util.h so lib can use it too.
Signed-off-by: Peter Xu <peterx@redhat.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
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Since we've just removed the dependency of vm type in previous patch,
now we can create the vm much earlier. Note that to move it earlier
we used an approximation of number of extra pages but it should be
fine.
This prepares for the follow up patches to finally remove the
duplication of guest mode parsings.
Reviewed-by: Andrew Jones <drjones@redhat.com>
Signed-off-by: Peter Xu <peterx@redhat.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
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Rather than passing the vm type from the top level to the end of vm
creation, let's simply keep that as an internal of kvm_vm struct and
decide the type in _vm_create(). Several reasons for doing this:
- The vm type is only decided by physical address width and currently
only used in aarch64, so we've got enough information as long as
we're passing vm_guest_mode into _vm_create(),
- This removes a loop dependency between the vm->type and creation of
vms. That's why now we need to parse vm_guest_mode twice sometimes,
once in run_test() and then again in _vm_create(). The follow up
patches will move on to clean up that as well so we can have a
single place to decide guest machine types and so.
Note that this patch will slightly change the behavior of aarch64
tests in that previously most vm_create() callers will directly pass
in type==0 into _vm_create() but now the type will depend on
vm_guest_mode, however it shouldn't affect any user because all
vm_create() users of aarch64 will be using VM_MODE_DEFAULT guest
mode (which is VM_MODE_P40V48_4K) so at last type will still be zero.
Reviewed-by: Andrew Jones <drjones@redhat.com>
Signed-off-by: Peter Xu <peterx@redhat.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
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Both test_smoke.sh and test_space.sh require tpm2.py and tpm2_test.py.
Rework so that tpm2.py and tpm2_test.py gets installed, added them to
the variable TEST_PROGS_EXTENDED.
Signed-off-by: Anders Roxell <anders.roxell@linaro.org>
Signed-off-by: Shuah Khan <skhan@linuxfoundation.org>
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When generating config with 'make defconfig kselftest-merge' fragment
CONFIG_TEST_LIVEPATCH=m isn't set.
Rework to enable CONFIG_LIVEPATCH and CONFIG_DYNAMIC_DEBUG as well.
Signed-off-by: Anders Roxell <anders.roxell@linaro.org>
Signed-off-by: Shuah Khan <skhan@linuxfoundation.org>
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Convert hard spaces to tabs in usage options.
Suggested-by: Shuah Khan <shuah@kernel.org>
Signed-off-by: George G. Davis <george_davis@mentor.com>
Signed-off-by: Shuah Khan <skhan@linuxfoundation.org>
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This patch fixes a spelling typo in trigger-snapshot.tc
[skhan@linuxfoundation.org: Fix typo in commit log]
Signed-off-by: Masanari Iida <standby24x7@gmail.com>
Acked-by: Steven Rostedt (VMware) <rostedt@goodmis.org>
Signed-off-by: Shuah Khan <skhan@linuxfoundation.org>
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Some systems have multiple watchdog devices where the first device
registered is assigned to the /dev/watchdog device file. In order
to test other watchdog devices, add an optional file argument for
selecting non-default watchdog devices for testing.
Tested-by: Eugeniu Rosca <erosca@de.adit-jv.com>
Signed-off-by: George G. Davis <george_davis@mentor.com>
Signed-off-by: Shuah Khan <skhan@linuxfoundation.org>
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The seccomp selftest goes to some length to build against older kernel
headers, viz. all the #ifdefs at the beginning of the file.
Commit 201766a20e30 ("ptrace: add PTRACE_GET_SYSCALL_INFO request")
introduces some additional macros, but doesn't do the #ifdef dance.
Let's add that dance here to avoid:
gcc -Wl,-no-as-needed -Wall seccomp_bpf.c -lpthread -o seccomp_bpf
In file included from seccomp_bpf.c:51:
seccomp_bpf.c: In function ‘tracer_ptrace’:
seccomp_bpf.c:1787:20: error: ‘PTRACE_EVENTMSG_SYSCALL_ENTRY’ undeclared (first use in this function); did you mean ‘PTRACE_EVENT_CLONE’?
EXPECT_EQ(entry ? PTRACE_EVENTMSG_SYSCALL_ENTRY
^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
../kselftest_harness.h:608:13: note: in definition of macro ‘__EXPECT’
__typeof__(_expected) __exp = (_expected); \
^~~~~~~~~
seccomp_bpf.c:1787:2: note: in expansion of macro ‘EXPECT_EQ’
EXPECT_EQ(entry ? PTRACE_EVENTMSG_SYSCALL_ENTRY
^~~~~~~~~
seccomp_bpf.c:1787:20: note: each undeclared identifier is reported only once for each function it appears in
EXPECT_EQ(entry ? PTRACE_EVENTMSG_SYSCALL_ENTRY
^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
../kselftest_harness.h:608:13: note: in definition of macro ‘__EXPECT’
__typeof__(_expected) __exp = (_expected); \
^~~~~~~~~
seccomp_bpf.c:1787:2: note: in expansion of macro ‘EXPECT_EQ’
EXPECT_EQ(entry ? PTRACE_EVENTMSG_SYSCALL_ENTRY
^~~~~~~~~
seccomp_bpf.c:1788:6: error: ‘PTRACE_EVENTMSG_SYSCALL_EXIT’ undeclared (first use in this function); did you mean ‘PTRACE_EVENT_EXIT’?
: PTRACE_EVENTMSG_SYSCALL_EXIT, msg);
^~~~~~~~~~~~~~~~~~~~~~~~~~~~
../kselftest_harness.h:608:13: note: in definition of macro ‘__EXPECT’
__typeof__(_expected) __exp = (_expected); \
^~~~~~~~~
seccomp_bpf.c:1787:2: note: in expansion of macro ‘EXPECT_EQ’
EXPECT_EQ(entry ? PTRACE_EVENTMSG_SYSCALL_ENTRY
^~~~~~~~~
make: *** [Makefile:12: seccomp_bpf] Error 1
[skhan@linuxfoundation.org: Fix checkpatch error in commit log]
Signed-off-by: Tycho Andersen <tycho@tycho.ws>
Fixes: 201766a20e30 ("ptrace: add PTRACE_GET_SYSCALL_INFO request")
Acked-by: Kees Cook <keescook@chromium.org>
Signed-off-by: Shuah Khan <skhan@linuxfoundation.org>
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git://git.kernel.org/pub/scm/linux/kernel/git/nvdimm/nvdimm
Pull libnvdimm updates from Dan Williams:
"Some reworks to better support nvdimms on powerpc and an nvdimm
security interface update:
- Rework the nvdimm core to accommodate architectures with different
page sizes and ones that can change supported huge page sizes at
boot time rather than a compile time constant.
- Introduce a distinct 'frozen' attribute for the nvdimm security
state since it is independent of the locked state.
- Miscellaneous fixups"
* tag 'libnvdimm-for-5.4' of git://git.kernel.org/pub/scm/linux/kernel/git/nvdimm/nvdimm:
libnvdimm: Use PAGE_SIZE instead of SZ_4K for align check
libnvdimm/label: Remove the dpa align check
libnvdimm/pfn_dev: Add page size and struct page size to pfn superblock
libnvdimm/pfn_dev: Add a build check to make sure we notice when struct page size change
libnvdimm/pmem: Advance namespace seed for specific probe errors
libnvdimm/region: Rewrite _probe_success() to _advance_seeds()
libnvdimm/security: Consolidate 'security' operations
libnvdimm/security: Tighten scope of nvdimm->busy vs security operations
libnvdimm/security: Introduce a 'frozen' attribute
libnvdimm, region: Use struct_size() in kzalloc()
tools/testing/nvdimm: Fix fallthrough warning
libnvdimm/of_pmem: Provide a unique name for bus provider
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git://git.kernel.org/pub/scm/linux/kernel/git/rdma/rdma
Pull hmm updates from Jason Gunthorpe:
"This is more cleanup and consolidation of the hmm APIs and the very
strongly related mmu_notifier interfaces. Many places across the tree
using these interfaces are touched in the process. Beyond that a
cleanup to the page walker API and a few memremap related changes
round out the series:
- General improvement of hmm_range_fault() and related APIs, more
documentation, bug fixes from testing, API simplification &
consolidation, and unused API removal
- Simplify the hmm related kconfigs to HMM_MIRROR and DEVICE_PRIVATE,
and make them internal kconfig selects
- Hoist a lot of code related to mmu notifier attachment out of
drivers by using a refcount get/put attachment idiom and remove the
convoluted mmu_notifier_unregister_no_release() and related APIs.
- General API improvement for the migrate_vma API and revision of its
only user in nouveau
- Annotate mmu_notifiers with lockdep and sleeping region debugging
Two series unrelated to HMM or mmu_notifiers came along due to
dependencies:
- Allow pagemap's memremap_pages family of APIs to work without
providing a struct device
- Make walk_page_range() and related use a constant structure for
function pointers"
* tag 'for-linus-hmm' of git://git.kernel.org/pub/scm/linux/kernel/git/rdma/rdma: (75 commits)
libnvdimm: Enable unit test infrastructure compile checks
mm, notifier: Catch sleeping/blocking for !blockable
kernel.h: Add non_block_start/end()
drm/radeon: guard against calling an unpaired radeon_mn_unregister()
csky: add missing brackets in a macro for tlb.h
pagewalk: use lockdep_assert_held for locking validation
pagewalk: separate function pointers from iterator data
mm: split out a new pagewalk.h header from mm.h
mm/mmu_notifiers: annotate with might_sleep()
mm/mmu_notifiers: prime lockdep
mm/mmu_notifiers: add a lockdep map for invalidate_range_start/end
mm/mmu_notifiers: remove the __mmu_notifier_invalidate_range_start/end exports
mm/hmm: hmm_range_fault() infinite loop
mm/hmm: hmm_range_fault() NULL pointer bug
mm/hmm: fix hmm_range_fault()'s handling of swapped out pages
mm/mmu_notifiers: remove unregister_no_release
RDMA/odp: remove ib_ucontext from ib_umem
RDMA/odp: use mmu_notifier_get/put for 'struct ib_ucontext_per_mm'
RDMA/mlx5: Use odp instead of mr->umem in pagefault_mr
RDMA/mlx5: Use ib_umem_start instead of umem.address
...
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Some distributions (e.g., debian buster) do not install ping6. Re-use
the hook in pmtu.sh to detect this and fallback to ping.
Fixes: 735ab2f65dce ("selftests: Add test with multiple prefixes using single nexthop")
Signed-off-by: David Ahern <dsahern@gmail.com>
Signed-off-by: Jakub Kicinski <jakub.kicinski@netronome.com>
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Some distributions (e.g., debian buster) do not install ping6. Re-use
the hook in pmtu.sh to detect this and fallback to ping.
Fixes: a0e11da78f48 ("fib_tests: Add tests for metrics on routes")
Signed-off-by: David Ahern <dsahern@gmail.com>
Signed-off-by: Jakub Kicinski <jakub.kicinski@netronome.com>
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Add TM selftest to check if FP or VEC register values from one process
can leak into another process when both run on the same CPU.
Signed-off-by: Gustavo Romero <gromero@linux.ibm.com>
Signed-off-by: Michael Neuling <mikey@neuling.org>
Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>
Link: https://lore.kernel.org/r/20190904045529.23002-3-gromero@linux.vnet.ibm.com
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git://git.kernel.org/pub/scm/linux/kernel/git/powerpc/linux
Pull powerpc updates from Michael Ellerman:
"This is a bit late, partly due to me travelling, and partly due to a
power outage knocking out some of my test systems *while* I was
travelling.
- Initial support for running on a system with an Ultravisor, which
is software that runs below the hypervisor and protects guests
against some attacks by the hypervisor.
- Support for building the kernel to run as a "Secure Virtual
Machine", ie. as a guest capable of running on a system with an
Ultravisor.
- Some changes to our DMA code on bare metal, to allow devices with
medium sized DMA masks (> 32 && < 59 bits) to use more than 2GB of
DMA space.
- Support for firmware assisted crash dumps on bare metal (powernv).
- Two series fixing bugs in and refactoring our PCI EEH code.
- A large series refactoring our exception entry code to use gas
macros, both to make it more readable and also enable some future
optimisations.
As well as many cleanups and other minor features & fixups.
Thanks to: Adam Zerella, Alexey Kardashevskiy, Alistair Popple, Andrew
Donnellan, Aneesh Kumar K.V, Anju T Sudhakar, Anshuman Khandual,
Balbir Singh, Benjamin Herrenschmidt, Cédric Le Goater, Christophe
JAILLET, Christophe Leroy, Christopher M. Riedl, Christoph Hellwig,
Claudio Carvalho, Daniel Axtens, David Gibson, David Hildenbrand,
Desnes A. Nunes do Rosario, Ganesh Goudar, Gautham R. Shenoy, Greg
Kurz, Guerney Hunt, Gustavo Romero, Halil Pasic, Hari Bathini, Joakim
Tjernlund, Jonathan Neuschafer, Jordan Niethe, Leonardo Bras, Lianbo
Jiang, Madhavan Srinivasan, Mahesh Salgaonkar, Mahesh Salgaonkar,
Masahiro Yamada, Maxiwell S. Garcia, Michael Anderson, Nathan
Chancellor, Nathan Lynch, Naveen N. Rao, Nicholas Piggin, Oliver
O'Halloran, Qian Cai, Ram Pai, Ravi Bangoria, Reza Arbab, Ryan Grimm,
Sam Bobroff, Santosh Sivaraj, Segher Boessenkool, Sukadev Bhattiprolu,
Thiago Bauermann, Thiago Jung Bauermann, Thomas Gleixner, Tom
Lendacky, Vasant Hegde"
* tag 'powerpc-5.4-1' of git://git.kernel.org/pub/scm/linux/kernel/git/powerpc/linux: (264 commits)
powerpc/mm/mce: Keep irqs disabled during lockless page table walk
powerpc: Use ftrace_graph_ret_addr() when unwinding
powerpc/ftrace: Enable HAVE_FUNCTION_GRAPH_RET_ADDR_PTR
ftrace: Look up the address of return_to_handler() using helpers
powerpc: dump kernel log before carrying out fadump or kdump
docs: powerpc: Add missing documentation reference
powerpc/xmon: Fix output of XIVE IPI
powerpc/xmon: Improve output of XIVE interrupts
powerpc/mm/radix: remove useless kernel messages
powerpc/fadump: support holes in kernel boot memory area
powerpc/fadump: remove RMA_START and RMA_END macros
powerpc/fadump: update documentation about option to release opalcore
powerpc/fadump: consider f/w load area
powerpc/opalcore: provide an option to invalidate /sys/firmware/opal/core file
powerpc/opalcore: export /sys/firmware/opal/core for analysing opal crashes
powerpc/fadump: update documentation about CONFIG_PRESERVE_FA_DUMP
powerpc/fadump: add support to preserve crash data on FADUMP disabled kernel
powerpc/fadump: improve how crashed kernel's memory is reserved
powerpc/fadump: consider reserved ranges while releasing memory
powerpc/fadump: make crash memory ranges array allocation generic
...
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git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux
Pull arm64 fixes from Will Deacon:
"We've had a few arm64 fixes trickle in this week. Nothing catastophic,
but all things that should be addressed:
- Fix clang build breakage with CONFIG_OPTIMIZE_INLINING=y
- Fix compilation of pointer tagging selftest
- Fix COND_SYSCALL definitions to work with CFI checks
- Fix stale documentation reference in our Kconfig"
* tag 'arm64-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux:
arm64: Fix reference to docs for ARM64_TAGGED_ADDR_ABI
arm64: fix function types in COND_SYSCALL
selftests, arm64: add kernel headers path for tags_test
arm64: fix unreachable code issue with cmpxchg
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git://git.kernel.org/pub/scm/linux/kernel/git/rostedt/linux-trace
Pull tracing updates from Steven Rostedt:
- Addition of multiprobes to kprobe and uprobe events (allows for more
than one probe attached to the same location)
- Addition of adding immediates to probe parameters
- Clean up of the recordmcount.c code. This brings us closer to merging
recordmcount into objtool, and reuse code.
- Other small clean ups
* tag 'trace-v5.4' of git://git.kernel.org/pub/scm/linux/kernel/git/rostedt/linux-trace: (33 commits)
selftests/ftrace: Update kprobe event error testcase
tracing/probe: Reject exactly same probe event
tracing/probe: Fix to allow user to enable events on unloaded modules
selftests/ftrace: Select an existing function in kprobe_eventname test
tracing/kprobe: Fix NULL pointer access in trace_porbe_unlink()
tracing: Make sure variable reference alias has correct var_ref_idx
tracing: Be more clever when dumping hex in __print_hex()
ftrace: Simplify ftrace hash lookup code in clear_func_from_hash()
tracing: Add "gfp_t" support in synthetic_events
tracing: Rename tracing_reset() to tracing_reset_cpu()
tracing: Document the stack trace algorithm in the comments
tracing/arm64: Have max stack tracer handle the case of return address after data
recordmcount: Clarify what cleanup() does
recordmcount: Remove redundant cleanup() calls
recordmcount: Kernel style formatting
recordmcount: Kernel style function signature formatting
recordmcount: Rewrite error/success handling
selftests/ftrace: Add syntax error test for multiprobe
selftests/ftrace: Add syntax error test for immediates
selftests/ftrace: Add a testcase for kprobe multiprobe event
...
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Add some test cases to allow the fib_nexthops.sh test code
to test the flushing of nexthops based upon the proto passed
in upon creation of the nexthop group.
Signed-off-by: Donald Sharp <sharpd@cumulusnetworks.com>
Reviewed-by: David Ahern <dsahern@gmail.com>
Signed-off-by: Jakub Kicinski <jakub.kicinski@netronome.com>
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Update kprobe event error testcase to test if it correctly
finds the exact same probe event.
Link: http://lkml.kernel.org/r/156879695513.31056.1580235733738840126.stgit@devnote2
Signed-off-by: Masami Hiramatsu <mhiramat@kernel.org>
Signed-off-by: Steven Rostedt (VMware) <rostedt@goodmis.org>
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