- Fix and validate CPU map inputs in synthetic PERF_RECORD_STAT events in 'perf stat'.
- Fix x86's arch__intr_reg_mask() for the hybrid platform.
- Address 'perf bench numa' compiler error on s390.
- Fix check for btf__load_from_kernel_by_id() in libbpf.
- Fix "all PMU test" 'perf test' to skip hv_24x7/hv_gpci tests on powerpc.
- Fix session topology test to skip the test in guest environment.
- Skip BPF 'perf test' if clang is not present.
- Avoid shell test description infinite loop in 'perf test'.
- Fix Intel LBR callstack entries and nr print message.
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
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Merge tag 'perf-tools-fixes-for-v5.18-2022-05-21' of git://git.kernel.org/pub/scm/linux/kernel/git/acme/linux
Pull perf tools fixes from Arnaldo Carvalho de Melo:
- Fix and validate CPU map inputs in synthetic PERF_RECORD_STAT events
in 'perf stat'.
- Fix x86's arch__intr_reg_mask() for the hybrid platform.
- Address 'perf bench numa' compiler error on s390.
- Fix check for btf__load_from_kernel_by_id() in libbpf.
- Fix "all PMU test" 'perf test' to skip hv_24x7/hv_gpci tests on
powerpc.
- Fix session topology test to skip the test in guest environment.
- Skip BPF 'perf test' if clang is not present.
- Avoid shell test description infinite loop in 'perf test'.
- Fix Intel LBR callstack entries and nr print message.
* tag 'perf-tools-fixes-for-v5.18-2022-05-21' of git://git.kernel.org/pub/scm/linux/kernel/git/acme/linux:
perf session: Fix Intel LBR callstack entries and nr print message
perf test bpf: Skip test if clang is not present
perf test session topology: Fix test to skip the test in guest environment
perf bench numa: Address compiler error on s390
perf test: Avoid shell test description infinite loop
perf regs x86: Fix arch__intr_reg_mask() for the hybrid platform
perf test: Fix "all PMU test" to skip hv_24x7/hv_gpci tests on powerpc
perf stat: Fix and validate CPU map inputs in synthetic PERF_RECORD_STAT events
perf build: Fix check for btf__load_from_kernel_by_id() in libbpf
- fix reset timing of Ilitek touchscreens
- update maintainer entry of DT binding of Mediatek 6779 keypad
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Merge tag 'input-for-v5.18-rc7' of git://git.kernel.org/pub/scm/linux/kernel/git/dtor/input
Pull input fixes from Dmitry Torokhov:
"A small fixup to ili210x touchscreen driver, and updated maintainer
entry for the device tree binding of Mediatek 6779 keypad:
- fix reset timing of Ilitek touchscreens
- update maintainer entry of DT binding of Mediatek 6779 keypad"
* tag 'input-for-v5.18-rc7' of git://git.kernel.org/pub/scm/linux/kernel/git/dtor/input:
Input: ili210x - use one common reset implementation
Input: ili210x - fix reset timing
dt-bindings: input: mediatek,mt6779-keypad: update maintainer
Two patches both in drivers. The iscsi one is fixing the cpumask
issue you commented on and the ufs one is a late arriving fix for
conditions that can occur in Host Performance Booster reads.
Signed-off-by: James E.J. Bottomley <jejb@linux.ibm.com>
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Merge tag 'scsi-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/jejb/scsi
Pull SCSI fixes from James Bottomley:
"Two patches, both in drivers.
The iscsi one is fixing the cpumask issue you commented on and the ufs
one is a late arriving fix for conditions that can occur in Host
Performance Booster reads"
* tag 'scsi-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/jejb/scsi:
scsi: ufs: core: Fix referencing invalid rsp field
scsi: target: Fix incorrect use of cpumask_t
Perf BPF filter test fails in environment where "clang" is not
installed.
Test failure logs:
<<>>
42: BPF filter :
42.1: Basic BPF filtering : Skip
42.2: BPF pinning : FAILED!
42.3: BPF prologue generation : FAILED!
<<>>
Enabling verbose option provided debug logs which says clang/llvm needs
to be installed. Snippet of verbose logs:
<<>>
42.2: BPF pinning :
--- start ---
test child forked, pid 61423
ERROR: unable to find clang.
Hint: Try to install latest clang/llvm to support BPF.
Check your $PATH
<<logs_here>>
Failed to compile test case: 'Basic BPF llvm compile'
Unable to get BPF object, fix kbuild first
test child finished with -1
---- end ----
BPF filter subtest 2: FAILED!
<<>>
Here subtests, "BPF pinning" and "BPF prologue generation" failed and
logs shows clang/llvm is needed. After installing clang, testcase
passes.
Reason on why subtest failure happens though logs has proper debug
information:
Main function __test__bpf calls test_llvm__fetch_bpf_obj by
passing 4th argument as true ( 4th arguments maps to parameter
"force" in test_llvm__fetch_bpf_obj ). But this will cause
test_llvm__fetch_bpf_obj to skip the check for clang/llvm.
Snippet of code part which checks for clang based on
parameter "force" in test_llvm__fetch_bpf_obj:
<<>>
if (!force && (!llvm_param.user_set_param &&
<<>>
Since force is set to "false", test won't get skipped and fails to
compile test case. The BPF code compilation needs clang, So pass the
fourth argument as "false" and also skip the test if reason for return
is "TEST_SKIP"
After the patch:
<<>>
42: BPF filter :
42.1: Basic BPF filtering : Skip
42.2: BPF pinning : Skip
42.3: BPF prologue generation : Skip
<<>>
Fixes: ba1fae431e ("perf test: Add 'perf test BPF'")
Reviewed-by: Kajol Jain <kjain@linux.ibm.com>
Signed-off-by: Athira Jajeev <atrajeev@linux.vnet.ibm.com>
Acked-by: Ian Rogers <irogers@google.com>
Cc: Disha Goel <disgoel@linux.vnet.ibm.com>
Cc: Jiri Olsa <jolsa@kernel.org>
Cc: linuxppc-dev@lists.ozlabs.org
Cc: Madhavan Srinivasan <maddy@linux.vnet.ibm.com>
Cc: Michael Ellerman <mpe@ellerman.id.au>
Cc: Nageswara R Sastry <rnsastry@linux.ibm.com>
Cc: Wang Nan <wangnan0@huawei.com>
Link: https://lore.kernel.org/r/20220511115438.84032-1-atrajeev@linux.vnet.ibm.com
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
The session topology test fails in powerpc pSeries platform.
Test logs:
<<>>
Session topology : FAILED!
<<>>
This testcases tests cpu topology by checking the core_id and socket_id
stored in perf_env from perf session. The data from perf session is
compared with the cpu topology information from
"/sys/devices/system/cpu/cpuX/topology" like core_id,
physical_package_id.
In case of virtual environment, detail like physical_package_id is
restricted to be exposed. Hence physical_package_id is set to -1. The
testcase fails on such platforms since socket_id can't be fetched from
topology info.
Skip the testcase in powerpc if physical_package_id returns -1.
Reviewed-by: Kajol Jain <kjain@linux.ibm.com>
Signed-off-by: Athira Rajeev <atrajeev@linux.vnet.ibm.com>---
Tested-by: Disha Goel <disgoel@linux.vnet.ibm.com>
Acked-by: Ian Rogers <irogers@google.com>
Cc: Jiri Olsa <jolsa@kernel.org>
Cc: Madhavan Srinivasan <maddy@linux.vnet.ibm.com>
Cc: Michael Ellerman <mpe@ellerman.id.au>
Cc: Nageswara R Sastry <rnsastry@linux.ibm.com>
Cc: linuxppc-dev@lists.ozlabs.org
Link: https://lore.kernel.org/r/20220511114959.84002-1-atrajeev@linux.vnet.ibm.com
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
The compilation on s390 results in this error:
# make DEBUG=y bench/numa.o
...
bench/numa.c: In function ‘__bench_numa’:
bench/numa.c:1749:81: error: ‘%d’ directive output may be truncated
writing between 1 and 11 bytes into a region of size between
10 and 20 [-Werror=format-truncation=]
1749 | snprintf(tname, sizeof(tname), "process%d:thread%d", p, t);
^~
...
bench/numa.c:1749:64: note: directive argument in the range
[-2147483647, 2147483646]
...
#
The maximum length of the %d replacement is 11 characters because of the
negative sign. Therefore extend the array by two more characters.
Output after:
# make DEBUG=y bench/numa.o > /dev/null 2>&1; ll bench/numa.o
-rw-r--r-- 1 root root 418320 May 19 09:11 bench/numa.o
#
Fixes: 3aff8ba0a4 ("perf bench numa: Avoid possible truncation when using snprintf()")
Suggested-by: Namhyung Kim <namhyung@gmail.com>
Signed-off-by: Thomas Richter <tmricht@linux.ibm.com>
Cc: Heiko Carstens <hca@linux.ibm.com>
Cc: Sumanth Korikkar <sumanthk@linux.ibm.com>
Cc: Sven Schnelle <svens@linux.ibm.com>
Cc: Vasily Gorbik <gor@linux.ibm.com>
Link: https://lore.kernel.org/r/20220520081158.2990006-1-tmricht@linux.ibm.com
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
for_each_shell_test() is already strict in expecting tests to be files
and executable. It is sometimes possible when it iterates over all files
that it finds one that is executable and lacks a newline character. When
this happens the loop never terminates as it doesn't check for EOF.
Add the EOF check to make this loop at least bounded by the file size.
If the description is returned as NULL then also skip the test.
Signed-off-by: Ian Rogers <irogers@google.com>
Cc: Adrian Hunter <adrian.hunter@intel.com>
Cc: Alexander Shishkin <alexander.shishkin@linux.intel.com>
Cc: Ingo Molnar <mingo@redhat.com>
Cc: Jiri Olsa <jolsa@kernel.org>
Cc: Marco Elver <elver@google.com>
Cc: Mark Rutland <mark.rutland@arm.com>
Cc: Namhyung Kim <namhyung@kernel.org>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: Riccardo Mancini <rickyman7@gmail.com>
Cc: Sohaib Mohamed <sohaib.amhmd@gmail.com>
Cc: Stephane Eranian <eranian@google.com>
Link: https://lore.kernel.org/r/20220517204144.645913-1-irogers@google.com
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
The X86 specific arch__intr_reg_mask() is to check whether the kernel
and hardware can collect XMM registers. But it doesn't work on some
hybrid platform.
Without the patch on ADL-N:
$ perf record -I?
available registers: AX BX CX DX SI DI BP SP IP FLAGS CS SS R8 R9 R10
R11 R12 R13 R14 R15
The config of the test event doesn't contain the PMU information. The
kernel may fail to initialize it on the correct hybrid PMU and return
the wrong non-supported information.
Add the PMU information into the config for the hybrid platform. The
same register set is supported among different hybrid PMUs. Checking
the first available one is good enough.
With the patch on ADL-N:
$ perf record -I?
available registers: AX BX CX DX SI DI BP SP IP FLAGS CS SS R8 R9 R10
R11 R12 R13 R14 R15 XMM0 XMM1 XMM2 XMM3 XMM4 XMM5 XMM6 XMM7 XMM8 XMM9
XMM10 XMM11 XMM12 XMM13 XMM14 XMM15
Fixes: 6466ec14aa ("perf regs x86: Add X86 specific arch__intr_reg_mask()")
Reported-by: Ammy Yi <ammy.yi@intel.com>
Signed-off-by: Kan Liang <kan.liang@linux.intel.com>
Acked-by: Ian Rogers <irogers@google.com>
Cc: Ingo Molnar <mingo@redhat.com>
Cc: Jiri Olsa <jolsa@kernel.org>
Cc: Kan Liang <kan.liang@linux.intel.com>
Cc: Namhyung Kim <namhyung@kernel.org>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: Xing Zhengjun <zhengjun.xing@linux.intel.com>
Link: https://lore.kernel.org/r/20220518145125.1494156-1-kan.liang@linux.intel.com
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
"perf all PMU test" picks the input events from "perf list --raw-dump
pmu" list and runs "perf stat -e" for each of the event in the list. In
case of powerpc, the PowerVM environment supports events from hv_24x7
and hv_gpci PMU which is of example format like below:
- hv_24x7/CPM_ADJUNCT_INST,domain=?,core=?/
- hv_gpci/event,partition_id=?/
The value for "?" needs to be filled in depending on system and
respective event. CPM_ADJUNCT_INST needs have core value and domain
value. hv_gpci event needs partition_id. Similarly, there are other
events for hv_24x7 and hv_gpci having "?" in event format. Hence skip
these events on powerpc platform since values like partition_id, domain
is specific to system and event.
Fixes: 3d5ac9effc ("perf test: Workload test of all PMUs")
Signed-off-by: Athira Jajeev <atrajeev@linux.vnet.ibm.com>
Acked-by: Ian Rogers <irogers@google.com>
Cc: Disha Goel <disgoel@linux.vnet.ibm.com>
Cc: Jiri Olsa <jolsa@kernel.org>
Cc: Kajol Jain <kjain@linux.ibm.com>
Cc: linuxppc-dev@lists.ozlabs.org
Cc: Madhavan Srinivasan <maddy@linux.vnet.ibm.com>
Cc: Michael Ellerman <mpe@ellerman.id.au>
Cc: Nageswara R Sastry <rnsastry@linux.ibm.com>
Link: https://lore.kernel.org/r/20220520101236.17249-1-atrajeev@linux.vnet.ibm.com
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
* Correctly expose GICv3 support even if no irqchip is created
so that userspace doesn't observe it changing pointlessly
(fixing a regression with QEMU)
* Don't issue a hypercall to set the id-mapped vectors when
protected mode is enabled (fix for pKVM in combination with
CPUs affected by Spectre-v3a)
x86: Five oneliners, of which the most interesting two are:
* a NULL pointer dereference on INVPCID executed with
paging disabled, but only if KVM is using shadow paging
* an incorrect bsearch comparison function which could truncate
the result and apply PMU event filtering incorrectly. This one
comes with a selftests update too.
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Merge tag 'for-linus' of git://git.kernel.org/pub/scm/virt/kvm/kvm
Pull kvm fixes from Paolo Bonzini:
"ARM:
- Correctly expose GICv3 support even if no irqchip is created so
that userspace doesn't observe it changing pointlessly (fixing a
regression with QEMU)
- Don't issue a hypercall to set the id-mapped vectors when protected
mode is enabled (fix for pKVM in combination with CPUs affected by
Spectre-v3a)
x86 (five oneliners, of which the most interesting two are):
- a NULL pointer dereference on INVPCID executed with paging
disabled, but only if KVM is using shadow paging
- an incorrect bsearch comparison function which could truncate the
result and apply PMU event filtering incorrectly. This one comes
with a selftests update too"
* tag 'for-linus' of git://git.kernel.org/pub/scm/virt/kvm/kvm:
KVM: x86/mmu: fix NULL pointer dereference on guest INVPCID
KVM: x86: hyper-v: fix type of valid_bank_mask
KVM: Free new dirty bitmap if creating a new memslot fails
KVM: eventfd: Fix false positive RCU usage warning
selftests: kvm/x86: Verify the pmu event filter matches the correct event
selftests: kvm/x86: Add the helper function create_pmu_event_filter
kvm: x86/pmu: Fix the compare function used by the pmu event filter
KVM: arm64: Don't hypercall before EL2 init
KVM: arm64: vgic-v3: Consistently populate ID_AA64PFR0_EL1.GIC
KVM: x86/mmu: Update number of zapped pages even if page list is stable
- Fix a divider calculation brekaing boot on Broadcom bcm2835
- Fix HDMI output on Tanix TX6 mini board by reverting a patch
- Fix clk_set_rate_range() calls on at91 by considering the range
while calculating the divisor
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Merge tag 'clk-fixes-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/clk/linux
Pull clk fixes from Stephen Boyd:
"Three clk driver fixes to close out the release
- Fix a divider calculation breaking boot on Broadcom bcm2835
- Fix HDMI output on Tanix TX6 mini board by reverting a patch
- Fix clk_set_rate_range() calls on at91 by considering the range
while calculating the divisor"
* tag 'clk-fixes-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/clk/linux:
clk: at91: generated: consider range when calculating best rate
Revert "clk: sunxi-ng: sun6i-rtc: Add support for H6"
clk: bcm2835: fix bcm2835_clock_choose_div
dma-buf:
- ioctl userspace use fix
- fix dma-buf sysfs name generation
core:
- dp/mst leak fix
amdgpu:
- suspend/resume regression fix
i915:
- fix for #5806: GPU hangs and display artifacts on 5.18-rc3 on Intel GM45
- reject DMC with out-of-spec MMIO
- correctly mark guilty contexts on GuC reset.
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Merge tag 'drm-fixes-2022-05-21' of git://anongit.freedesktop.org/drm/drm
Pull drm fixes from Dave Airlie:
"Few final fixes for 5.18, one amdgpu, core dp mst leak fix, dma-buf
two fixes, and i915 has a few fixes, one for a regression on older
GM45 chipsets,
dma-buf:
- ioctl userspace use fix
- fix dma-buf sysfs name generation
core:
- dp/mst leak fix
amdgpu:
- suspend/resume regression fix
i915:
- fix for #5806: GPU hangs and display artifacts on Intel GM45
- reject DMC with out-of-spec MMIO
- correctly mark guilty contexts on GuC reset"
* tag 'drm-fixes-2022-05-21' of git://anongit.freedesktop.org/drm/drm:
drm/i915: Use i915_gem_object_ggtt_pin_ww for reloc_iomap
drm/amd: Don't reset dGPUs if the system is going to s2idle
drm/dp/mst: fix a possible memory leak in fetch_monitor_name()
dma-buf: fix use of DMA_BUF_SET_NAME_{A,B} in userspace
i915/guc/reset: Make __guc_reset_context aware of guilty engines
drm/i915/dmc: Add MMIO range restrictions
dma-buf: ensure unique directory name for dmabuf stats
DMA_BUF_SET_NAME defines and a directory name generation fix for dmabuf
stats
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Merge tag 'drm-misc-fixes-2022-05-20' of git://anongit.freedesktop.org/drm/drm-misc into drm-fixes
Fix for a memory leak in dp_mst, a (userspace) build fix for
DMA_BUF_SET_NAME defines and a directory name generation fix for dmabuf
stats
Signed-off-by: Dave Airlie <airlied@redhat.com>
From: Maxime Ripard <maxime@cerno.tech>
Link: https://patchwork.freedesktop.org/patch/msgid/20220520072408.cpjzy2taugagvrh7@houat
Norbert reported that it's possible to race sys_perf_event_open() such
that the looser ends up in another context from the group leader,
triggering many WARNs.
The move_group case checks for races against itself, but the
!move_group case doesn't, seemingly relying on the previous
group_leader->ctx == ctx check. However, that check is racy due to not
holding any locks at that time.
Therefore, re-check the result after acquiring locks and bailing
if they no longer match.
Additionally, clarify the not_move_group case from the
move_group-vs-move_group race.
Fixes: f63a8daa58 ("perf: Fix event->ctx locking")
Reported-by: Norbert Slusarek <nslusarek@gmx.net>
Signed-off-by: Peter Zijlstra (Intel) <peterz@infradead.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
- fix bitops logic in gpio-vf610
- return an error if the user tries to use inverted polarity in gpio-mvebu
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Merge tag 'gpio-fixes-for-v5.18' of git://git.kernel.org/pub/scm/linux/kernel/git/brgl/linux
Pull gpio fixes from Bartosz Golaszewski:
- fix bitops logic in gpio-vf610
- return an error if the user tries to use inverted polarity in
gpio-mvebu
* tag 'gpio-fixes-for-v5.18' of git://git.kernel.org/pub/scm/linux/kernel/git/brgl/linux:
gpio: mvebu/pwm: Refuse requests with inverted polarity
gpio: gpio-vf610: do not touch other bits when set the target bit
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Merge tag 'ceph-for-5.18-rc8' of https://github.com/ceph/ceph-client
Pull ceph fix from Ilya Dryomov:
"A fix for a nasty use-after-free, marked for stable"
* tag 'ceph-for-5.18-rc8' of https://github.com/ceph/ceph-client:
libceph: fix misleading ceph_osdc_cancel_request() comment
libceph: fix potential use-after-free on linger ping and resends
* A fix for the fu540-c000 device tree to avoid a schema check failure
on the DMA node name.
* A fix to the PolarFire SOC device tree for a typo.
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Merge tag 'riscv-for-linus-5.18-rc8' of git://git.kernel.org/pub/scm/linux/kernel/git/riscv/linux
Pull RISC-V fixes from Palmer Dabbelt:
- fix the fu540-c000 device tree to avoid a schema check failure on the
DMA node name
- fix typo in the PolarFire SOC device tree
* tag 'riscv-for-linus-5.18-rc8' of git://git.kernel.org/pub/scm/linux/kernel/git/riscv/linux:
riscv: dts: microchip: fix gpio1 reg property typo
riscv: dts: sifive: fu540-c000: align dma node name with dtschema
- Add missing write barrier to publish MTE tags before a pte update
- Fix kexec relocation clobbering its own data structures
- Fix stolen time crash if a timer IRQ fires during CPU hotplug
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Merge tag 'arm64-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux
Pull arm64 fixes from Will Deacon:
"Three arm64 fixes for -rc8/final.
The MTE and stolen time fixes have been doing the rounds for a little
while, but review and testing feedback was ongoing until earlier this
week. The kexec fix showed up on Monday and addresses a failure
observed under Qemu.
Summary:
- Add missing write barrier to publish MTE tags before a pte update
- Fix kexec relocation clobbering its own data structures
- Fix stolen time crash if a timer IRQ fires during CPU hotplug"
* tag 'arm64-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux:
arm64: mte: Ensure the cleared tags are visible before setting the PTE
arm64: kexec: load from kimage prior to clobbering
arm64: paravirt: Use RCU read locks to guard stolen_time
With shadow paging enabled, the INVPCID instruction results in a call
to kvm_mmu_invpcid_gva. If INVPCID is executed with CR0.PG=0, the
invlpg callback is not set and the result is a NULL pointer dereference.
Fix it trivially by checking for mmu->invlpg before every call.
There are other possibilities:
- check for CR0.PG, because KVM (like all Intel processors after P5)
flushes guest TLB on CR0.PG changes so that INVPCID/INVLPG are a
nop with paging disabled
- check for EFER.LMA, because KVM syncs and flushes when switching
MMU contexts outside of 64-bit mode
All of these are tricky, go for the simple solution. This is CVE-2022-1789.
Reported-by: Yongkang Jia <kangel@zju.edu.cn>
Cc: stable@vger.kernel.org
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
In kvm_hv_flush_tlb(), valid_bank_mask is declared as unsigned long,
but is used as u64, which is wrong for i386, and has been spotted by
LKP after applying "KVM: x86: hyper-v: replace bitmap_weight() with
hweight64()"
https://lore.kernel.org/lkml/20220510154750.212913-12-yury.norov@gmail.com/
But it's wrong even without that patch because now bitmap_weight()
dereferences a word after valid_bank_mask on i386.
>> include/asm-generic/bitops/const_hweight.h:21:76: warning: right shift count >= width of type
+[-Wshift-count-overflow]
21 | #define __const_hweight64(w) (__const_hweight32(w) + __const_hweight32((w) >> 32))
| ^~
include/asm-generic/bitops/const_hweight.h:10:16: note: in definition of macro '__const_hweight8'
10 | ((!!((w) & (1ULL << 0))) + \
| ^
include/asm-generic/bitops/const_hweight.h:20:31: note: in expansion of macro '__const_hweight16'
20 | #define __const_hweight32(w) (__const_hweight16(w) + __const_hweight16((w) >> 16))
| ^~~~~~~~~~~~~~~~~
include/asm-generic/bitops/const_hweight.h:21:54: note: in expansion of macro '__const_hweight32'
21 | #define __const_hweight64(w) (__const_hweight32(w) + __const_hweight32((w) >> 32))
| ^~~~~~~~~~~~~~~~~
include/asm-generic/bitops/const_hweight.h:29:49: note: in expansion of macro '__const_hweight64'
29 | #define hweight64(w) (__builtin_constant_p(w) ? __const_hweight64(w) : __arch_hweight64(w))
| ^~~~~~~~~~~~~~~~~
arch/x86/kvm/hyperv.c:1983:36: note: in expansion of macro 'hweight64'
1983 | if (hc->var_cnt != hweight64(valid_bank_mask))
| ^~~~~~~~~
CC: Borislav Petkov <bp@alien8.de>
CC: Dave Hansen <dave.hansen@linux.intel.com>
CC: H. Peter Anvin <hpa@zytor.com>
CC: Ingo Molnar <mingo@redhat.com>
CC: Jim Mattson <jmattson@google.com>
CC: Joerg Roedel <joro@8bytes.org>
CC: Paolo Bonzini <pbonzini@redhat.com>
CC: Sean Christopherson <seanjc@google.com>
CC: Thomas Gleixner <tglx@linutronix.de>
CC: Vitaly Kuznetsov <vkuznets@redhat.com>
CC: Wanpeng Li <wanpengli@tencent.com>
CC: kvm@vger.kernel.org
CC: linux-kernel@vger.kernel.org
CC: x86@kernel.org
Reported-by: kernel test robot <lkp@intel.com>
Signed-off-by: Yury Norov <yury.norov@gmail.com>
Message-Id: <20220519171504.1238724-1-yury.norov@gmail.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
Fix a goof in kvm_prepare_memory_region() where KVM fails to free the
new memslot's dirty bitmap during a CREATE action if
kvm_arch_prepare_memory_region() fails. The logic is supposed to detect
if the bitmap was allocated and thus needs to be freed, versus if the
bitmap was inherited from the old memslot and thus needs to be kept. If
there is no old memslot, then obviously the bitmap can't have been
inherited
The bug was exposed by commit 86931ff720 ("KVM: x86/mmu: Do not create
SPTEs for GFNs that exceed host.MAXPHYADDR"), which made it trivally easy
for syzkaller to trigger failure during kvm_arch_prepare_memory_region(),
but the bug can be hit other ways too, e.g. due to -ENOMEM when
allocating x86's memslot metadata.
The backtrace from kmemleak:
__vmalloc_node_range+0xb40/0xbd0 mm/vmalloc.c:3195
__vmalloc_node mm/vmalloc.c:3232 [inline]
__vmalloc+0x49/0x50 mm/vmalloc.c:3246
__vmalloc_array mm/util.c:671 [inline]
__vcalloc+0x49/0x70 mm/util.c:694
kvm_alloc_dirty_bitmap virt/kvm/kvm_main.c:1319
kvm_prepare_memory_region virt/kvm/kvm_main.c:1551
kvm_set_memslot+0x1bd/0x690 virt/kvm/kvm_main.c:1782
__kvm_set_memory_region+0x689/0x750 virt/kvm/kvm_main.c:1949
kvm_set_memory_region virt/kvm/kvm_main.c:1962
kvm_vm_ioctl_set_memory_region virt/kvm/kvm_main.c:1974
kvm_vm_ioctl+0x377/0x13a0 virt/kvm/kvm_main.c:4528
vfs_ioctl fs/ioctl.c:51
__do_sys_ioctl fs/ioctl.c:870
__se_sys_ioctl fs/ioctl.c:856
__x64_sys_ioctl+0xfc/0x140 fs/ioctl.c:856
do_syscall_x64 arch/x86/entry/common.c:50
do_syscall_64+0x35/0xb0 arch/x86/entry/common.c:80
entry_SYSCALL_64_after_hwframe+0x44/0xae
And the relevant sequence of KVM events:
ioctl(3, KVM_CREATE_VM, 0) = 4
ioctl(4, KVM_SET_USER_MEMORY_REGION, {slot=0,
flags=KVM_MEM_LOG_DIRTY_PAGES,
guest_phys_addr=0x10000000000000,
memory_size=4096,
userspace_addr=0x20fe8000}
) = -1 EINVAL (Invalid argument)
Fixes: 244893fa28 ("KVM: Dynamically allocate "new" memslots from the get-go")
Cc: stable@vger.kernel.org
Reported-by: syzbot+8606b8a9cc97a63f1c87@syzkaller.appspotmail.com
Signed-off-by: Sean Christopherson <seanjc@google.com>
Message-Id: <20220518003842.1341782-1-seanjc@google.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
The driver doesn't take struct pwm_state::polarity into account when
configuring the hardware, so refuse requests for inverted polarity.
Fixes: 757642f9a5 ("gpio: mvebu: Add limited PWM support")
Signed-off-by: Uwe Kleine-König <u.kleine-koenig@pengutronix.de>
Signed-off-by: Bartosz Golaszewski <brgl@bgdev.pl>
For gpio controller contain register PDDR, when set one target bit,
current logic will clear all other bits, this is wrong. Use operator
'|=' to fix it.
Fixes: 659d8a6231 ("gpio: vf610: add imx7ulp support")
Reviewed-by: Peng Fan <peng.fan@nxp.com>
Signed-off-by: Haibo Chen <haibo.chen@nxp.com>
Signed-off-by: Bartosz Golaszewski <brgl@bgdev.pl>
Stat events can come from disk and so need a degree of validation. They
contain a CPU which needs looking up via CPU map to access a counter.
Add the CPU to index translation, alongside validity checking.
Discussion thread:
https://lore.kernel.org/linux-perf-users/CAP-5=fWQR=sCuiSMktvUtcbOLidEpUJLCybVF6=BRvORcDOq+g@mail.gmail.com/
Fixes: 7ac0089d13 ("perf evsel: Pass cpu not cpu map index to synthesize")
Reported-by: Michael Petlan <mpetlan@redhat.com>
Suggested-by: Michael Petlan <mpetlan@redhat.com>
Signed-off-by: Ian Rogers <irogers@google.com>
Cc: Alexander Shishkin <alexander.shishkin@linux.intel.com>
Cc: Alexei Starovoitov <ast@kernel.org>
Cc: Andrii Nakryiko <andrii@kernel.org>
Cc: Daniel Borkmann <daniel@iogearbox.net>
Cc: Dave Marchevsky <davemarchevsky@fb.com>
Cc: Ian Rogers <irogers@google.com>
Cc: James Clark <james.clark@arm.com>
Cc: Jiri Olsa <jolsa@kernel.org>
Cc: John Fastabend <john.fastabend@gmail.com>
Cc: Kan Liang <kan.liang@linux.intel.com>
Cc: KP Singh <kpsingh@kernel.org>
Cc: Lv Ruyi <lv.ruyi@zte.com.cn>
Cc: Mark Rutland <mark.rutland@arm.com>
Cc: Martin KaFai Lau <kafai@fb.com>
Cc: Michael Petlan <mpetlan@redhat.com>
Cc: Namhyung Kim <namhyung@kernel.org>
Cc: netdev@vger.kernel.org
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: Quentin Monnet <quentin@isovalent.com>
Cc: Song Liu <songliubraving@fb.com>
Cc: Stephane Eranian <eranian@google.com>
Cc: Xing Zhengjun <zhengjun.xing@linux.intel.com>
Cc: Yonghong Song <yhs@fb.com>
Link: http://lore.kernel.org/lkml/20220519032005.1273691-2-irogers@google.com
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
Avi Kivity reported a problem where the __weak
btf__load_from_kernel_by_id() in tools/perf/util/bpf-event.c was being
used and it called btf__get_from_id() in tools/lib/bpf/btf.c that in
turn called back to btf__load_from_kernel_by_id(), resulting in an
endless loop.
Fix this by adding a feature test to check if
btf__load_from_kernel_by_id() is available when building perf with
LIBBPF_DYNAMIC=1, and if not then provide the fallback to the old
btf__get_from_id(), that doesn't call back to btf__load_from_kernel_by_id()
since at that time it didn't exist at all.
Tested on Fedora 35 where we have libbpf-devel 0.4.0 with LIBBPF_DYNAMIC
where we don't have btf__load_from_kernel_by_id() and thus its feature
test fail, not defining HAVE_LIBBPF_BTF__LOAD_FROM_KERNEL_BY_ID:
$ cat /tmp/build/perf-urgent/feature/test-libbpf-btf__load_from_kernel_by_id.make.output
test-libbpf-btf__load_from_kernel_by_id.c: In function ‘main’:
test-libbpf-btf__load_from_kernel_by_id.c:6:16: error: implicit declaration of function ‘btf__load_from_kernel_by_id’ [-Werror=implicit-function-declaration]
6 | return btf__load_from_kernel_by_id(20151128, NULL);
| ^~~~~~~~~~~~~~~~~~~~~~~~~~~
cc1: all warnings being treated as errors
$
$ nm /tmp/build/perf-urgent/perf | grep btf__load_from_kernel_by_id
00000000005ba180 T btf__load_from_kernel_by_id
$
$ objdump --disassemble=btf__load_from_kernel_by_id -S /tmp/build/perf-urgent/perf
/tmp/build/perf-urgent/perf: file format elf64-x86-64
<SNIP>
00000000005ba180 <btf__load_from_kernel_by_id>:
#include "record.h"
#include "util/synthetic-events.h"
#ifndef HAVE_LIBBPF_BTF__LOAD_FROM_KERNEL_BY_ID
struct btf *btf__load_from_kernel_by_id(__u32 id)
{
5ba180: 55 push %rbp
5ba181: 48 89 e5 mov %rsp,%rbp
5ba184: 48 83 ec 10 sub $0x10,%rsp
5ba188: 64 48 8b 04 25 28 00 mov %fs:0x28,%rax
5ba18f: 00 00
5ba191: 48 89 45 f8 mov %rax,-0x8(%rbp)
5ba195: 31 c0 xor %eax,%eax
struct btf *btf;
#pragma GCC diagnostic push
#pragma GCC diagnostic ignored "-Wdeprecated-declarations"
int err = btf__get_from_id(id, &btf);
5ba197: 48 8d 75 f0 lea -0x10(%rbp),%rsi
5ba19b: e8 a0 57 e5 ff call 40f940 <btf__get_from_id@plt>
5ba1a0: 89 c2 mov %eax,%edx
#pragma GCC diagnostic pop
return err ? ERR_PTR(err) : btf;
5ba1a2: 48 98 cltq
5ba1a4: 85 d2 test %edx,%edx
5ba1a6: 48 0f 44 45 f0 cmove -0x10(%rbp),%rax
}
<SNIP>
Fixes: 218e7b775d ("perf bpf: Provide a weak btf__load_from_kernel_by_id() for older libbpf versions")
Reported-by: Avi Kivity <avi@scylladb.com>
Link: https://lore.kernel.org/linux-perf-users/f0add43b-3de5-20c5-22c4-70aff4af959f@scylladb.com
Cc: Adrian Hunter <adrian.hunter@intel.com>
Cc: Ian Rogers <irogers@google.com>
Cc: Jiri Olsa <jolsa@kernel.org>
Cc: Namhyung Kim <namhyung@kernel.org>
Link: https://lore.kernel.org/linux-perf-users/YobjjFOblY4Xvwo7@kernel.org
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
Add a test to demonstrate that when the guest programs an event select
it is matched correctly in the pmu event filter and not inadvertently
filtered. This could happen on AMD if the high nybble[1] in the event
select gets truncated away only leaving the bottom byte[2] left for
matching.
This is a contrived example used for the convenience of demonstrating
this issue, however, this can be applied to event selects 0x28A (OC
Mode Switch) and 0x08A (L1 BTB Correction), where 0x08A could end up
being denied when the event select was only set up to deny 0x28A.
[1] bits 35:32 in the event select register and bits 11:8 in the event
select.
[2] bits 7:0 in the event select register and bits 7:0 in the event
select.
Signed-off-by: Aaron Lewis <aaronlewis@google.com>
Message-Id: <20220517051238.2566934-3-aaronlewis@google.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
Add a helper function that creates a pmu event filter given an event
list. Currently, a pmu event filter can only be created with the same
hard coded event list. Add a way to create one given a different event
list.
Also, rename make_pmu_event_filter to alloc_pmu_event_filter to clarify
it's purpose given the introduction of create_pmu_event_filter.
No functional changes intended.
Signed-off-by: Aaron Lewis <aaronlewis@google.com>
Message-Id: <20220517051238.2566934-2-aaronlewis@google.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
When returning from the compare function the u64 is truncated to an
int. This results in a loss of the high nybble[1] in the event select
and its sign if that nybble is in use. Switch from using a result that
can end up being truncated to a result that can only be: 1, 0, -1.
[1] bits 35:32 in the event select register and bits 11:8 in the event
select.
Fixes: 7ff775aca4 ("KVM: x86/pmu: Use binary search to check filtered events")
Signed-off-by: Aaron Lewis <aaronlewis@google.com>
Reviewed-by: Sean Christopherson <seanjc@google.com>
Message-Id: <20220517051238.2566934-1-aaronlewis@google.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
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Merge tag 'v5.18-p2' of git://git.kernel.org/pub/scm/linux/kernel/git/herbert/crypto-2.6
Pull crypto fix from Herbert Xu:
"Fix a regression in a recent fix to qcom-rng"
* tag 'v5.18-p2' of git://git.kernel.org/pub/scm/linux/kernel/git/herbert/crypto-2.6:
crypto: qcom-rng - fix infinite loop on requests not multiple of WORD_SZ
Fix referencing sense data when it is invalid. When the length of the data
segment is 0, there is no valid information in the rsp field, so
ufshpb_rsp_upiu() is returned without additional operation.
Link: https://lore.kernel.org/r/252651381.41652940482659.JavaMail.epsvc@epcpadp4
Fixes: 4b5f49079c ("scsi: ufs: ufshpb: L2P map management for HPB read")
Acked-by: Avri Altman <avri.altman@wdc.com>
Signed-off-by: Daejun Park <daejun7.park@samsung.com>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
Fixes dtbs_check warnings like:
dma@3000000: $nodename:0: 'dma@3000000' does not match '^dma-controller(@.*)?$'
Signed-off-by: Krzysztof Kozlowski <krzysztof.kozlowski@canonical.com>
Link: https://lore.kernel.org/r/20220407193856.18223-1-krzysztof.kozlowski@linaro.org
Fixes: c5ab54e994 ("riscv: dts: add support for PDMA device of HiFive Unleashed Rev A00")
Signed-off-by: Palmer Dabbelt <palmer@rivosinc.com>
Rewrite the cache flush code for PA8800/PA8900 CPUs to flush using the virtual
address of user and kernel pages instead of using tmpalias flushes. Testing
showed, that tmpalias flushes don't work reliable on PA8800/PA8900 CPUs.
Fix flush code to allow 32-bit kernels to run on 64-bit capable machines, e.g.
a 32-bit kernel on C3700 machines.
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Merge tag 'for-5.18/parisc-4' of git://git.kernel.org/pub/scm/linux/kernel/git/deller/parisc-linux
Pull parisc architecture fixes from Helge Deller:
"We had two big outstanding issues after v5.18-rc6:
a) 32-bit kernels on 64-bit machines (e.g. on a C3700 which is able
to run 32- and 64-bit kernels) failed early in userspace.
b) 64-bit kernels on PA8800/PA8900 CPUs (e.g. in a C8000) showed
random userspace segfaults. We assumed that those problems were
caused by the tmpalias flushes.
Dave did a lot of testing and reorganization of the current flush code
and fixed the 32-bit cache flushing. For PA8800/PA8900 CPUs he
switched the code to flush using the virtual address of user and
kernel pages instead of using tmpalias flushes. The tmpalias flushes
don't seem to work reliable on such CPUs.
We tested the patches on a wide range machines (715/64, B160L, C3000,
C3700, C8000, rp3440) and they have been in for-next without any
conflicts.
Summary:
- Rewrite the cache flush code for PA8800/PA8900 CPUs to flush using
the virtual address of user and kernel pages instead of using
tmpalias flushes. Testing showed, that tmpalias flushes don't work
reliably on PA8800/PA8900 CPUs
- Fix flush code to allow 32-bit kernels to run on 64-bit capable
machines, e.g. a 32-bit kernel on C3700 machines"
* tag 'for-5.18/parisc-4' of git://git.kernel.org/pub/scm/linux/kernel/git/deller/parisc-linux:
parisc: Fix patch code locking and flushing
parisc: Rewrite cache flush code for PA8800/PA8900
parisc: Disable debug code regarding cache flushes in handle_nadtlb_fault()
Two further fixes for Spectre-BHB from Ard for Cortex A15 and
to use the wide branch instruction for Thumb2.
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Merge tag 'for-linus' of git://git.armlinux.org.uk/~rmk/linux-arm
Pull ARM fixes from Russell King:
"Two further fixes for Spectre-BHB from Ard for Cortex A15 and to use
the wide branch instruction for Thumb2"
* tag 'for-linus' of git://git.armlinux.org.uk/~rmk/linux-arm:
ARM: 9197/1: spectre-bhb: fix loop8 sequence for Thumb2
ARM: 9196/1: spectre-bhb: enable for Cortex-A15
- Fix an altmode in the Ocelot driver
- Fix the IES control pins in the Mediatek MT8365 driver
- Fix the UART2 function pin assignments in the
Sunxi (AMLogic) driver
- Fix the signal name of the PA2 SPI pin in the Sunxi
(AMLogic) driver
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Merge tag 'pinctrl-v5.18-3' of git://git.kernel.org/pub/scm/linux/kernel/git/linusw/linux-pinctrl
Pull pin control fixes from Linus Walleij:
- Fix an altmode in the Ocelot driver
- Fix the IES control pins in the Mediatek MT8365 driver
- Sunxi (AMLogic) driver:
- Fix the UART2 function pin assignments
- Fix the signal name of the PA2 SPI pin
* tag 'pinctrl-v5.18-3' of git://git.kernel.org/pub/scm/linux/kernel/git/linusw/linux-pinctrl:
pinctrl: sunxi: f1c100s: Fix signal name comment for PA2 SPI pin
pinctrl: sunxi: fix f1c100s uart2 function
pinctrl: mediatek: mt8365: fix IES control pins
pinctrl: ocelot: Fix for lan966x alt mode
netfilter subtrees.
Notably this reverts a recent TCP/DCCP netns-related change
to address a possible UaF.
Current release - regressions:
- tcp: revert "tcp/dccp: get rid of inet_twsk_purge()"
- xfrm: set dst dev to blackhole_netdev instead of loopback_dev in ifdown
Previous releases - regressions:
- netfilter: flowtable: fix TCP flow teardown
- can: revert "can: m_can: pci: use custom bit timings for Elkhart Lake"
- xfrm: check encryption module availability consistency
- eth: vmxnet3: fix possible use-after-free bugs in vmxnet3_rq_alloc_rx_buf()
- eth: mlx5: initialize flow steering during driver probe
- eth: ice: fix crash when writing timestamp on RX rings
Previous releases - always broken:
- mptcp: fix checksum byte order
- eth: lan966x: fix assignment of the MAC address
- eth: mlx5: remove HW-GRO from reported features
- eth: ftgmac100: disable hardware checksum on AST2600
Signed-off-by: Paolo Abeni <pabeni@redhat.com>
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Merge tag 'net-5.18-rc8' of git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net
Pull networking fixes from Paolo Abeni:
"Including fixes from can, xfrm and netfilter subtrees.
Notably this reverts a recent TCP/DCCP netns-related change to address
a possible UaF.
Current release - regressions:
- tcp: revert "tcp/dccp: get rid of inet_twsk_purge()"
- xfrm: set dst dev to blackhole_netdev instead of loopback_dev in
ifdown
Previous releases - regressions:
- netfilter: flowtable: fix TCP flow teardown
- can: revert "can: m_can: pci: use custom bit timings for Elkhart
Lake"
- xfrm: check encryption module availability consistency
- eth: vmxnet3: fix possible use-after-free bugs in
vmxnet3_rq_alloc_rx_buf()
- eth: mlx5: initialize flow steering during driver probe
- eth: ice: fix crash when writing timestamp on RX rings
Previous releases - always broken:
- mptcp: fix checksum byte order
- eth: lan966x: fix assignment of the MAC address
- eth: mlx5: remove HW-GRO from reported features
- eth: ftgmac100: disable hardware checksum on AST2600"
* tag 'net-5.18-rc8' of git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net: (50 commits)
net: bridge: Clear offload_fwd_mark when passing frame up bridge interface.
ptp: ocp: change sysfs attr group handling
selftests: forwarding: fix missing backslash
netfilter: nf_tables: disable expression reduction infra
netfilter: flowtable: move dst_check to packet path
netfilter: flowtable: fix TCP flow teardown
net: ftgmac100: Disable hardware checksum on AST2600
igb: skip phy status check where unavailable
nfc: pn533: Fix buggy cleanup order
mptcp: Do TCP fallback on early DSS checksum failure
mptcp: fix checksum byte order
net: af_key: check encryption module availability consistency
net: af_key: add check for pfkey_broadcast in function pfkey_process
net/mlx5: Drain fw_reset when removing device
net/mlx5e: CT: Fix setting flow_source for smfs ct tuples
net/mlx5e: CT: Fix support for GRE tuples
net/mlx5e: Remove HW-GRO from reported features
net/mlx5e: Properly block HW GRO when XDP is enabled
net/mlx5e: Properly block LRO when XDP is enabled
net/mlx5e: Block rx-gro-hw feature in switchdev mode
...
It turned out that polling period for MMC_SEND_OP_COND, that currently is
set to 1ms, still isn't sufficient. In particular a Micron eMMC on a
Beaglebone platform, is reported to sometimes fail to initialize.
Additional test, shows that extending the period to 4ms is working fine, so
let's make that change.
Reported-by: Jean Rene Dawin <jdawin@math.uni-bielefeld.de>
Tested-by: Jean Rene Dawin <jdawin@math.uni-bielefeld.de>
Fixes: 1760fdb6fe (mmc: core: Restore (almost) the busy polling for MMC_SEND_OP_COND")
Fixes: 76bfc7ccc2 ("mmc: core: adjust polling interval for CMD1")
Cc: stable@vger.kernel.org
Signed-off-by: Ulf Hansson <ulf.hansson@linaro.org>
Link: https://lore.kernel.org/r/20220517101046.27512-1-ulf.hansson@linaro.org
When removing short term pins, I've changed the the batch buffer
pinning for relocation to use __i915_vma_pin, because
i915_gem_object_ggtt_pin_ww was destroying the old vma. This
caused regressions, because the functions are not identical.
Fix the regressions by calling i915_gem_object_ggtt_pin_ww() again
on ggtt-only platforms, but only if the batch can be pinned without
being moved.
Fixes: b5cfe6f7a6 ("drm/i915: Remove short-term pins from execbuf, v6.")
Cc: Matthew Auld <matthew.auld@intel.com>
Reported-by: Mateusz Jończyk <mat.jonczyk@o2.pl>
Tested-by: Hans de Goede <hdegoede@redhat.com>
Signed-off-by: Maarten Lankhorst <maarten.lankhorst@linux.intel.com>
Acked-by: Matthew Auld <matthew.auld@intel.com>
Closes: https://gitlab.freedesktop.org/drm/intel/-/issues/5806
Link: https://patchwork.freedesktop.org/patch/msgid/20220511115219.46507-1-maarten.lankhorst@linux.intel.com
(cherry picked from commit 451374eef6)
Signed-off-by: Joonas Lahtinen <joonas.lahtinen@linux.intel.com>
It is possible to stack bridges on top of each other. Consider the
following which makes use of an Ethernet switch:
br1
/ \
/ \
/ \
br0.11 wlan0
|
br0
/ | \
p1 p2 p3
br0 is offloaded to the switch. Above br0 is a vlan interface, for
vlan 11. This vlan interface is then a slave of br1. br1 also has a
wireless interface as a slave. This setup trunks wireless lan traffic
over the copper network inside a VLAN.
A frame received on p1 which is passed up to the bridge has the
skb->offload_fwd_mark flag set to true, indicating that the switch has
dealt with forwarding the frame out ports p2 and p3 as needed. This
flag instructs the software bridge it does not need to pass the frame
back down again. However, the flag is not getting reset when the frame
is passed upwards. As a result br1 sees the flag, wrongly interprets
it, and fails to forward the frame to wlan0.
When passing a frame upwards, clear the flag. This is the Rx
equivalent of br_switchdev_frame_unmark() in br_dev_xmit().
Fixes: f1c2eddf4c ("bridge: switchdev: Use an helper to clear forward mark")
Signed-off-by: Andrew Lunn <andrew@lunn.ch>
Reviewed-by: Ido Schimmel <idosch@nvidia.com>
Tested-by: Ido Schimmel <idosch@nvidia.com>
Acked-by: Nikolay Aleksandrov <razor@blackwall.org>
Link: https://lore.kernel.org/r/20220518005840.771575-1-andrew@lunn.ch
Signed-off-by: Paolo Abeni <pabeni@redhat.com>
In the detach path, the driver calls sysfs_remove_group() for the
groups it believes has been registered. However, if the group was
never previously registered, then this causes a splat.
Instead, compute the groups that should be registered in advance,
and then call sysfs_create_groups(), which registers them all at once.
Update the error handling appropriately.
Fixes: c205d53c49 ("ptp: ocp: Add firmware capability bits for feature gating")
Reported-by: Zheyu Ma <zheyuma97@gmail.com>
Signed-off-by: Jonathan Lemon <jonathan.lemon@gmail.com>
Link: https://lore.kernel.org/r/20220517214600.10606-1-jonathan.lemon@gmail.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
Fix missing backslash, introduced in f62c5acc80. Causes all tests to
not be installed.
Fixes: f62c5acc80 ("selftests/net/forwarding: add missing tests to Makefile")
Signed-off-by: Joachim Wiberg <troglobit@gmail.com>
Acked-by: Hangbin Liu <liuhangbin@gmail.com>
Link: https://lore.kernel.org/r/20220518151630.2747773-1-troglobit@gmail.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
Pablo Neira Ayuso says:
====================
Netfilter fixes for net
1) Reduce number of hardware offload retries from flowtable datapath
which might hog system with retries, from Felix Fietkau.
2) Skip neighbour lookup for PPPoE device, fill_forward_path() already
provides this and set on destination address from fill_forward_path for
PPPoE device, also from Felix.
4) When combining PPPoE on top of a VLAN device, set info->outdev to the
PPPoE device so software offload works, from Felix.
5) Fix TCP teardown flowtable state, races with conntrack gc might result
in resetting the state to ESTABLISHED and the time to one day. Joint
work with Oz Shlomo and Sven Auhagen.
6) Call dst_check() from flowtable datapath to check if dst is stale
instead of doing it from garbage collector path.
7) Disable register tracking infrastructure, either user-space or
kernel need to pre-fetch keys inconditionally, otherwise register
tracking assumes data is already available in register that might
not well be there, leading to incorrect reductions.
* git://git.kernel.org/pub/scm/linux/kernel/git/netfilter/nf:
netfilter: nf_tables: disable expression reduction infra
netfilter: flowtable: move dst_check to packet path
netfilter: flowtable: fix TCP flow teardown
netfilter: nft_flow_offload: fix offload with pppoe + vlan
net: fix dev_fill_forward_path with pppoe + bridge
netfilter: nft_flow_offload: skip dst neigh lookup for ppp devices
netfilter: flowtable: fix excessive hw offload attempts after failure
====================
Link: https://lore.kernel.org/r/20220518213841.359653-1-pablo@netfilter.org
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
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Merge tag 'block-5.18-2022-05-18' of git://git.kernel.dk/linux-block
Pull block fix from Jens Axboe:
"Just a small fix for a missing fifo time assigment for the head
insertion case in mq-deadline"
* tag 'block-5.18-2022-05-18' of git://git.kernel.dk/linux-block:
block/mq-deadline: Set the fifo_time member also if inserting at head
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Merge tag 'audit-pr-20220518' of git://git.kernel.org/pub/scm/linux/kernel/git/pcmoore/audit
Pull audit fix from Paul Moore:
"A single audit patch to fix a problem where a task's audit_context was
not being properly reset with io_uring"
* tag 'audit-pr-20220518' of git://git.kernel.org/pub/scm/linux/kernel/git/pcmoore/audit:
audit,io_uring,io-wq: call __audit_uring_exit for dummy contexts
