- Jan 28, 2023
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Arnaldo Carvalho de Melo authored
Ian has been reviewing perf tooling patches consistently for a long time, so lets reflect that in the MAINTAINERS file so that contributors add him to the CC list in patch submissions. Reviewed-by:
Ian Rogers <irogers@google.com> Acked-by:
Ingo Molnar <mingo@kernel.org> Acked-by:
Jiri Olsa <jolsa@kernel.org> Acked-by:
Namhyung Kim <namhyung@kernel.org> Acked-by:
Peter Zijlstra <peterz@infradead.org> Signed-off-by:
Arnaldo Carvalho de Melo <acme@redhat.com>
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- Jan 23, 2023
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Athira Rajeev authored
The perf test named “build id cache operations” skips with below error on some distros: <<>> 78: build id cache operations : test child forked, pid 111101 WARNING: wine not found. PE binaries will not be run. test binaries: /tmp/perf.ex.SHA1.PKz /tmp/perf.ex.MD5.Gt3 ./tests/shell/../pe-file.exe DEBUGINFOD_URLS= Adding 4abd406f041feb4f10ecde3fc30fd0639e1a91cb /tmp/perf.ex.SHA1.PKz: Ok build id: 4abd406f041feb4f10ecde3fc30fd0639e1a91cb ./tests/shell/buildid.sh: 69: ./tests/shell/buildid.sh: Bad substitution test child finished with -2 build id cache operations: Skip <<>> The test script "tests/shell/buildid.sh" uses some of the string substitution ways which are supported in bash, but not in "sh" or other shells. Above error on line number 69 that reports "Bad substitution" is: <<>> link=${build_id_dir}/.build-id/${id:0:2}/${id:2} <<>> Here the way of getting first two characters from id ie, ${id:0:2} and similarly expressions like ${id:2} is not recognised in "sh". So the line errors and instead of hitting failure, the test gets skipped as shown in logs. So the syntax issue causes test not to be executed in such cases. Similarly usage : "${@: -1}" [ to pick last argument passed to a function] in “test_record” doesn’t work in all distros. Fix this by using alternative way with shell substitution to pick required characters from the string. Also fix the usage of “${@: -1}” to work in all cases. Another usage in “test_record” is: <<>> ${perf} record --buildid-all -o ${data} $@ &> ${log} <<>> This causes the 'perf record' to start in background and Results in the data file not being created by the time "check" function is invoked. Below log shows 'perf record' result getting displayed after the call to "check" function. <<>> running: perf record /tmp/perf.ex.SHA1.EAU build id: 4abd406f041feb4f10ecde3fc30fd0639e1a91cb link: /tmp/perf.debug.mLT/.build-id/4a/bd406f041feb4f10ecde3fc30fd0639e1a91cb failed: link /tmp/perf.debug.mLT/.build-id/4a/bd406f041feb4f10ecde3fc30fd0639e1a91cb does not exist test child finished with -1 build id cache operations: FAILED! root@machine:~/athira/linux/tools/perf# Couldn't synthesize bpf events. [ perf record: Woken up 1 times to write data ] [ perf record: Captured and wrote 0.010 MB /tmp/perf.data.bFF ] <<>> Fix this by redirecting output instead of using “&” which starts the command in background. Reviewed-by:
David Laight <David.Laight@ACULAB.COM> Signed-off-by:
Athira Jajeev <atrajeev@linux.vnet.ibm.com> Tested-by:
Disha Goel <disgoel@linux.ibm.com> Acked-by:
Ian Rogers <irogers@google.com> Cc: Andi Kleen <ak@linux.intel.com> Cc: James Clark <james.clark@arm.com> Cc: Jiri Olsa <jolsa@kernel.org> Cc: Kajol Jain <kjain@linux.ibm.com> Cc: Madhavan Srinivasan <maddy@linux.ibm.com> Cc: Michael Ellerman <mpe@ellerman.id.au> Cc: Nageswara R Sastry <rnsastry@linux.ibm.com> Cc: Namhyung Kim <namhyung@kernel.org> Cc: linuxppc-dev@lists.ozlabs.org Link: https://lore.kernel.org/r/20230119142719.32628-1-atrajeev@linux.vnet.ibm.com Signed-off-by:
Arnaldo Carvalho de Melo <acme@redhat.com>
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Diederik de Haas authored
Fix various spelling errors as reported by Debian's lintian tool. "amount of times" -> "number of times" ocurrence -> occurrence upto -> up to Signed-off-by:
Diederik de Haas <didi.debian@cknow.org> Acked-by:
Ian Rogers <irogers@google.com> Cc: Alexander Shishkin <alexander.shishkin@linux.intel.com> Cc: Ingo Molnar <mingo@redhat.com> Cc: Jiri Olsa <jolsa@kernel.org> Cc: Mark Rutland <mark.rutland@arm.com> Cc: Namhyung Kim <namhyung@kernel.org> Cc: Peter Zijlstra <peterz@infradead.org> Link: https://lore.kernel.org/r/20230122122034.48020-1-didi.debian@cknow.org Signed-off-by:
Arnaldo Carvalho de Melo <acme@redhat.com>
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Naveen N. Rao authored
BPF filtering tests can sometime fail. Running the test in verbose mode shows the following: $ sudo perf test 42 42: BPF filter : 42.1: Basic BPF filtering : FAILED! 42.2: BPF pinning : Skip 42.3: BPF prologue generation : Skip $ perf --version perf version 4.18.0-425.3.1.el8.ppc64le $ sudo perf test -v 42 42: BPF filter : 42.1: Basic BPF filtering : --- start --- test child forked, pid 711060 ... bpf: config 'func=do_epoll_wait' is ok Looking at the vmlinux_path (8 entries long) Using /usr/lib/debug/lib/modules/4.18.0-425.3.1.el8.ppc64le/vmlinux for symbols Open Debuginfo file: /usr/lib/debug/.build-id/81/56f5a07f92ccb62c5600ba0e4aacfb5f3a7534.debug Try to find probe point from debuginfo. Matched function: do_epoll_wait [4ef8cb0] found inline addr: 0xc00000000061dbe4 Probe point found: __se_compat_sys_epoll_pwait+196 found inline addr: 0xc00000000061d9f4 Probe point found: __se_sys_epoll_pwait+196 found inline addr: 0xc00000000061d824 Probe point found: __se_sys_epoll_wait+36 Found 3 probe_trace_events. Opening /sys/kernel/tracing//kprobe_events write=1 ... BPF filter result incorrect, expected 56, got 56 samples test child finished with -1 ---- end ---- BPF filter subtest 1: FAILED! The statement above about the result being incorrect looks weird, and it is due to that particular perf build missing commit 3e11300c ("perf test: Fix bpf test sample mismatch reporting"). In reality, due to commit 4b04e0de ("perf test: Fix basic bpf filtering test"), perf expects there to be 56*3 samples. However, the number of samples we receive is going to be dependent on where the probes are installed, which is dependent on where do_epoll_wait gets inlined. On s390x, it looks like probes at all the inlined locations are hit. But, that is not the case on ppc64le. Fix this by switching the test to instead use the syscall tracepoint. This ensures that we will only ever install a single event enabling us to reliably determine the sample count. Reported-by:
Disha Goel <disgoel@linux.vnet.ibm.com> Signed-off-by:
Naveen N. Rao <naveen.n.rao@linux.vnet.ibm.com> Cc: Kajol Jain <kjain@linux.ibm.com> Cc: bpf@vger.kernel.org Link: http://lore.kernel.org/lkml/20230123083224.276404-1-naveen.n.rao@linux.vnet.ibm.com Signed-off-by:
Arnaldo Carvalho de Melo <acme@redhat.com>
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Arnaldo Carvalho de Melo authored
To pick fixes that went via perf/urgent. Signed-off-by:
Arnaldo Carvalho de Melo <acme@redhat.com>
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James Clark authored
There are some edge cases around estimated timestamps that can result in them going backwards. One is that after a discontinuity, the last used timestamp is set to 0. The duration of the next range is then subtracted which could result in an earlier timestamp than the last instruction. Fix this by not resetting the last timestamp used on a discontinuity, and make sure that new estimated timestamps are clamped to be later than that. Another case is that estimated timestamps could compound over time to end up being more than the next real timestamp in the trace. Fix this by clamping the estimates in cs_etm_decoder__do_soft_timestamp() to be no later than it. cs_etm_decoder__do_soft_timestamp() also updated next_cs_timestamp, which meant that the next real timestamp was lost and not stored anywhere. Fix that by only updating cs_timestamp for estimates and keep next_cs_timestamp untouched. Finally, use next_cs_timestamp to signify if a timestamp has been received previously. Because cs_timestamp has the first range subtracted, it could technically go to 0 which would break the logic. Testing ======= It can be verified that timestamps don't go backwards when tracing on a single core with the following commands. Across multiple cores it's expected that timestamps are interleaved: $ perf record -e cs_etm/@tmc_etr0/k -C 4 taskset -c 4 sleep 1 $ perf script --itrace=i1ns --ns -Fcomm,tid,pid,time,cpu,event,ip,sym,addr,symoff,flags,callindent > itrace $ sed 's/://g' itrace | awk -F ' ' ' { print $4 } ' | awk '{ if ($1 < prev) { print "line:" NR " " $0 } {prev=$1}}' Reported-by:
Tanmay Jagdale <tanmay@marvell.com> Signed-off-by:
James Clark <james.clark@arm.com> Acked-by:
Suzuki Poulouse <suzuki.poulose@arm.com> Tested-by:
Tanmay Jagdale <tanmay@marvell.com> Cc: Alexander Shishkin <alexander.shishkin@linux.intel.com> Cc: Bharat Bhushan <bbhushan2@marvell.com> Cc: George Cherian <gcherian@marvell.com> Cc: Ingo Molnar <mingo@redhat.com> Cc: Jiri Olsa <jolsa@kernel.org> Cc: John Garry <john.g.garry@oracle.com> Cc: Leo Yan <leo.yan@linaro.org> Cc: Linu Cherian <lcherian@marvell.com> Cc: Mark Rutland <mark.rutland@arm.com> Cc: Mathieu Poirier <mathieu.poirier@linaro.org> Cc: Mike Leach <mike.leach@linaro.org> Cc: Namhyung Kim <namhyung@kernel.org> Cc: Peter Zijlstra <peterz@infradead.org> Cc: Sunil Kovvuri Goutham <sgoutham@marvell.com> Cc: Will Deacon <will@kernel.org> Cc: coresight@lists.linaro.org Cc: linux-arm-kernel@lists.infradead.org Link: https://lore.kernel.org/r/20230120143702.4035046-9-james.clark@arm.com Signed-off-by:
Arnaldo Carvalho de Melo <acme@redhat.com>
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German Gomez authored
If virtual timestamps are detected, set sample time field accordingly, otherwise warn the user that the samples will not include accurate time data. | Test notes (FEAT_TRF platform) | | $ ./perf record -e cs_etm//u -a -- sleep 4 | $ ./perf script --fields +time | perf 422 [000] 163.375100: 1 branches:uH: 0 [unknown] ([unknown]) | perf 422 [000] 163.375100: 1 branches:uH: ffffb8009544 ioctl+0x14 (/lib/aarch64-linux-gnu/libc-2.27.so) | perf 422 [000] 163.375100: 1 branches:uH: aaaaab6bebf4 perf_evsel__run_ioctl+0x90 (/home/german/linux/tools/perf/perf) | [...] | perf 422 [000] 167.393100: 1 branches:uH: aaaaab6bda00 __xyarray__entry+0x74 (/home/german/linux/tools/perf/perf) | perf 422 [000] 167.393099: 1 branches:uH: aaaaab6bda0c __xyarray__entry+0x80 (/home/german/linux/tools/perf/perf) | perf 422 [000] 167.393099: 1 branches:uH: ffffb8009538 ioctl+0x8 (/lib/aarch64-linux-gnu/libc-2.27.so) | | The time from the first sample to the last sample is 4 seconds Now that times are converted to nanoseconds, also try to estimate the timestamps more accurately be dividing by some fixed value for instructions per ns. This prevents long ranges from being estimated too far in the past than would be realistic. Signed-off-by:
German Gomez <german.gomez@arm.com> Acked-by:
Suzuki Poulouse <suzuki.poulose@arm.com> Tested-by:
Tanmay Jagdale <tanmay@marvell.com> Cc: Alexander Shishkin <alexander.shishkin@linux.intel.com> Cc: Bharat Bhushan <bbhushan2@marvell.com> Cc: George Cherian <gcherian@marvell.com> Cc: Ingo Molnar <mingo@redhat.com> Cc: Jiri Olsa <jolsa@kernel.org> Cc: John Garry <john.g.garry@oracle.com> Cc: Leo Yan <leo.yan@linaro.org> Cc: Linu Cherian <lcherian@marvell.com> Cc: Mark Rutland <mark.rutland@arm.com> Cc: Mathieu Poirier <mathieu.poirier@linaro.org> Cc: Mike Leach <mike.leach@linaro.org> Cc: Namhyung Kim <namhyung@kernel.org> Cc: Peter Zijlstra <peterz@infradead.org> Cc: Sunil Kovvuri Goutham <sgoutham@marvell.com> Cc: Will Deacon <will@kernel.org> Cc: coresight@lists.linaro.org Cc: linux-arm-kernel@lists.infradead.org Link: https://lore.kernel.org/r/20230120143702.4035046-8-james.clark@arm.com Signed-off-by:
James Clark <james.clark@arm.com> Signed-off-by:
Arnaldo Carvalho de Melo <acme@redhat.com>
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German Gomez authored
Read the value of ts_source exposed by the driver and store it in the ETMv4 and ETE header. If the interface doesn't exist (such as in older Kernels), defaults to a safe value of -1. Signed-off-by:
German Gomez <german.gomez@arm.com> Acked-by:
Suzuki Poulouse <suzuki.poulose@arm.com> Tested-by:
Tanmay Jagdale <tanmay@marvell.com> Cc: Alexander Shishkin <alexander.shishkin@linux.intel.com> Cc: Bharat Bhushan <bbhushan2@marvell.com> Cc: George Cherian <gcherian@marvell.com> Cc: Ingo Molnar <mingo@redhat.com> Cc: Jiri Olsa <jolsa@kernel.org> Cc: John Garry <john.g.garry@oracle.com> Cc: Leo Yan <leo.yan@linaro.org> Cc: Linu Cherian <lcherian@marvell.com> Cc: Mark Rutland <mark.rutland@arm.com> Cc: Mathieu Poirier <mathieu.poirier@linaro.org> Cc: Mike Leach <mike.leach@linaro.org> Cc: Namhyung Kim <namhyung@kernel.org> Cc: Peter Zijlstra <peterz@infradead.org> Cc: Sunil Kovvuri Goutham <sgoutham@marvell.com> Cc: Will Deacon <will@kernel.org> Cc: coresight@lists.linaro.org Cc: linux-arm-kernel@lists.infradead.org Link: https://lore.kernel.org/r/20230120143702.4035046-7-james.clark@arm.com Signed-off-by:
James Clark <james.clark@arm.com> Signed-off-by:
Arnaldo Carvalho de Melo <acme@redhat.com>
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German Gomez authored
Previously, adding a new parameter at the end of ETMv4 meant adding it somewhere in the middle of ETE, which is not supported by the current header version. Reviewed-by:
Mike Leach <mike.leach@linaro.org> Signed-off-by:
German Gomez <german.gomez@arm.com> Acked-by:
Suzuki Poulouse <suzuki.poulose@arm.com> Tested-by:
Tanmay Jagdale <tanmay@marvell.com> Cc: Alexander Shishkin <alexander.shishkin@linux.intel.com> Cc: Bharat Bhushan <bbhushan2@marvell.com> Cc: George Cherian <gcherian@marvell.com> Cc: Ingo Molnar <mingo@redhat.com> Cc: Jiri Olsa <jolsa@kernel.org> Cc: John Garry <john.g.garry@oracle.com> Cc: Leo Yan <leo.yan@linaro.org> Cc: Linu Cherian <lcherian@marvell.com> Cc: Mark Rutland <mark.rutland@arm.com> Cc: Mathieu Poirier <mathieu.poirier@linaro.org> Cc: Namhyung Kim <namhyung@kernel.org> Cc: Peter Zijlstra <peterz@infradead.org> Cc: Sunil Kovvuri Goutham <sgoutham@marvell.com> Cc: Will Deacon <will@kernel.org> Cc: coresight@lists.linaro.org Cc: linux-arm-kernel@lists.infradead.org Link: https://lore.kernel.org/r/20230120143702.4035046-6-james.clark@arm.com Signed-off-by:
James Clark <james.clark@arm.com> Signed-off-by:
Arnaldo Carvalho de Melo <acme@redhat.com>
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German Gomez authored
Add a utility function perf_pmu__file_exists() to check if a given pmu file exists in the sysfs filesystem. Signed-off-by:
German Gomez <german.gomez@arm.com> Acked-by:
Suzuki Poulouse <suzuki.poulose@arm.com> Tested-by:
Tanmay Jagdale <tanmay@marvell.com> Cc: Alexander Shishkin <alexander.shishkin@linux.intel.com> Cc: Bharat Bhushan <bbhushan2@marvell.com> Cc: George Cherian <gcherian@marvell.com> Cc: Ingo Molnar <mingo@redhat.com> Cc: Jiri Olsa <jolsa@kernel.org> Cc: John Garry <john.g.garry@oracle.com> Cc: Leo Yan <leo.yan@linaro.org> Cc: Linu Cherian <lcherian@marvell.com> Cc: Mark Rutland <mark.rutland@arm.com> Cc: Mathieu Poirier <mathieu.poirier@linaro.org> Cc: Mike Leach <mike.leach@linaro.org> Cc: Namhyung Kim <namhyung@kernel.org> Cc: Peter Zijlstra <peterz@infradead.org> Cc: Sunil Kovvuri Goutham <sgoutham@marvell.com> Cc: Will Deacon <will@kernel.org> Cc: coresight@lists.linaro.org Cc: linux-arm-kernel@lists.infradead.org Link: https://lore.kernel.org/r/20230120143702.4035046-5-james.clark@arm.com Signed-off-by:
James Clark <james.clark@arm.com> Signed-off-by:
Arnaldo Carvalho de Melo <acme@redhat.com>
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James Clark authored
Use the new perf_pmu__pathname_scnprintf() instead. No functional changes. Reviewed-by:
Leo Yan <leo.yan@linaro.org> Signed-off-by:
James Clark <james.clark@arm.com> Acked-by:
Suzuki Poulouse <suzuki.poulose@arm.com> Tested-by:
Tanmay Jagdale <tanmay@marvell.com> Cc: Alexander Shishkin <alexander.shishkin@linux.intel.com> Cc: Bharat Bhushan <bbhushan2@marvell.com> Cc: George Cherian <gcherian@marvell.com> Cc: Ingo Molnar <mingo@redhat.com> Cc: Jiri Olsa <jolsa@kernel.org> Cc: John Garry <john.g.garry@oracle.com> Cc: Linu Cherian <lcherian@marvell.com> Cc: Mark Rutland <mark.rutland@arm.com> Cc: Mathieu Poirier <mathieu.poirier@linaro.org> Cc: Mike Leach <mike.leach@linaro.org> Cc: Namhyung Kim <namhyung@kernel.org> Cc: Peter Zijlstra <peterz@infradead.org> Cc: Sunil Kovvuri Goutham <sgoutham@marvell.com> Cc: Will Deacon <will@kernel.org> Cc: coresight@lists.linaro.org Cc: linux-arm-kernel@lists.infradead.org Link: https://lore.kernel.org/r/20230120143702.4035046-4-james.clark@arm.com Signed-off-by:
Arnaldo Carvalho de Melo <acme@redhat.com>
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James Clark authored
Remove some code that duplicates existing methods. Copy strings where const strings are required. No functional changes. Committer notes: Add a stub for erf_pmu__scan_file() in tools/perf/util/python.c not to drag tools/perf/util/pmu.c into the python binding. This fixes 'perf test python' at this point in this patchset. Reviewed-by:
Leo Yan <leo.yan@linaro.org> Signed-off-by:
James Clark <james.clark@arm.com> Acked-by:
Suzuki Poulouse <suzuki.poulose@arm.com> Tested-by:
Tanmay Jagdale <tanmay@marvell.com> Cc: Alexander Shishkin <alexander.shishkin@linux.intel.com> Cc: Bharat Bhushan <bbhushan2@marvell.com> Cc: George Cherian <gcherian@marvell.com> Cc: Ingo Molnar <mingo@redhat.com> Cc: Jiri Olsa <jolsa@kernel.org> Cc: John Garry <john.g.garry@oracle.com> Cc: Linu Cherian <lcherian@marvell.com> Cc: Mark Rutland <mark.rutland@arm.com> Cc: Mathieu Poirier <mathieu.poirier@linaro.org> Cc: Mike Leach <mike.leach@linaro.org> Cc: Namhyung Kim <namhyung@kernel.org> Cc: Peter Zijlstra <peterz@infradead.org> Cc: Sunil Kovvuri Goutham <sgoutham@marvell.com> Cc: Will Deacon <will@kernel.org> Cc: coresight@lists.linaro.org Cc: linux-arm-kernel@lists.infradead.org Link: https://lore.kernel.org/r/20230120143702.4035046-3-james.clark@arm.com Signed-off-by:
Arnaldo Carvalho de Melo <acme@redhat.com>
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James Clark authored
The pattern for accessing EVENT_SOURCE_DEVICE_PATH is duplicated in a few places, so add two utility functions to cover it. Also just use perf_pmu__scan_file() instead of pmu_type() which already does the same thing. No functional changes. Reviewed-by:
Leo Yan <leo.yan@linaro.org> Signed-off-by:
James Clark <james.clark@arm.com> Acked-by:
Suzuki Poulouse <suzuki.poulose@arm.com> Tested-by:
Tanmay Jagdale <tanmay@marvell.com> Cc: Alexander Shishkin <alexander.shishkin@linux.intel.com> Cc: Bharat Bhushan <bbhushan2@marvell.com> Cc: George Cherian <gcherian@marvell.com> Cc: Ingo Molnar <mingo@redhat.com> Cc: Jiri Olsa <jolsa@kernel.org> Cc: John Garry <john.g.garry@oracle.com> Cc: Linu Cherian <lcherian@marvell.com> Cc: Mark Rutland <mark.rutland@arm.com> Cc: Mathieu Poirier <mathieu.poirier@linaro.org> Cc: Mike Leach <mike.leach@linaro.org> Cc: Namhyung Kim <namhyung@kernel.org> Cc: Peter Zijlstra <peterz@infradead.org> Cc: Sunil Kovvuri Goutham <sgoutham@marvell.com> Cc: Will Deacon <will@kernel.org> Cc: coresight@lists.linaro.org Cc: linux-arm-kernel@lists.infradead.org Link: https://lore.kernel.org/r/20230120143702.4035046-2-james.clark@arm.com Signed-off-by:
Arnaldo Carvalho de Melo <acme@redhat.com>
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Ian Rogers authored
In the context of LBR stitching documentation. Signed-off-by:
Ian Rogers <irogers@google.com> Acked-by:
Kan Liang <kan.liang@linux.intel.com> Cc: Adrian Hunter <adrian.hunter@intel.com> Cc: Alexander Shishkin <alexander.shishkin@linux.intel.com> Cc: Ali Saidi <alisaidi@amazon.com> Cc: Ingo Molnar <mingo@redhat.com> Cc: James Clark <james.clark@arm.com> Cc: Jiri Olsa <jolsa@kernel.org> Cc: Leo Yan <leo.yan@linaro.org> Cc: Mark Rutland <mark.rutland@arm.com> Cc: Namhyung Kim <namhyung@kernel.org> Cc: Peter Zijlstra <peterz@infradead.org> Cc: Ravi Bangoria <ravi.bangoria@amd.com> Cc: Sandipan Das <sandipan.das@amd.com> Link: https://lore.kernel.org/r/20230119201036.156441-1-irogers@google.com Signed-off-by:
Arnaldo Carvalho de Melo <acme@redhat.com>
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Adrian Hunter authored
Make the code more readable by checking for SHT_RELA and SHT_REL type earlier. Signed-off-by:
Adrian Hunter <adrian.hunter@intel.com> Acked-by:
Ian Rogers <irogers@google.com> Cc: Jiri Olsa <jolsa@kernel.org> Cc: Namhyung Kim <namhyung@kernel.org> Link: https://lore.kernel.org/r/20230120123456.12449-11-adrian.hunter@intel.com Signed-off-by:
Arnaldo Carvalho de Melo <acme@redhat.com>
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Adrian Hunter authored
SHT_REL and SHT_RELA are handled the same way. Simplify by combining the handling. Signed-off-by:
Adrian Hunter <adrian.hunter@intel.com> Acked-by:
Ian Rogers <irogers@google.com> Cc: Jiri Olsa <jolsa@kernel.org> Cc: Namhyung Kim <namhyung@kernel.org> Link: https://lore.kernel.org/r/20230120123456.12449-10-adrian.hunter@intel.com Signed-off-by:
Arnaldo Carvalho de Melo <acme@redhat.com>
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Adrian Hunter authored
Create a sensible name for .plt entries with no symbol. Example: Before: $ perf test --dso /usr/lib/x86_64-linux-gnu/libc.so.6 -vv Symbols 2>/tmp/cmp1.txt After: $ perf test --dso /usr/lib/x86_64-linux-gnu/libc.so.6 -vv Symbols 2>/tmp/cmp2.txt $ diff /tmp/cmp1.txt /tmp/cmp2.txt 4c4 < test child forked, pid 53043 --- > test child forked, pid 54372 23,62c23,62 < 280f0-28100 g @plt < 28100-28110 g @plt < 28110-28120 g @plt < 28120-28130 g @plt < 28130-28140 g @plt < 28140-28150 g @plt < 28150-28160 g @plt < 28160-28170 g @plt < 28170-28180 g @plt < 28180-28190 g @plt < 28190-281a0 g @plt < 281a0-281b0 g @plt < 281b0-281c0 g @plt < 281c0-281d0 g @plt < 281d0-281e0 g @plt < 281e0-281f0 g @plt < 281f0-28200 g @plt < 28200-28210 g @plt < 28210-28220 g @plt < 28220-28230 g @plt < 28230-28240 g @plt < 28240-28250 g @plt < 28250-28260 g @plt < 28260-28270 g @plt < 28270-28280 g @plt < 28280-28290 g @plt < 28290-282a0 g @plt < 282a0-282b0 g @plt < 282b0-282c0 g @plt < 282c0-282d0 g @plt < 282d0-282e0 g @plt < 282e0-282f0 g @plt < 282f0-28300 g @plt < 28300-28310 g @plt < 28310-28320 g @plt < 28320-28330 g @plt < 28330-28340 g @plt < 28340-28350 g @plt < 28350-28360 g @plt < 28360-28370 g @plt --- > 280f0-28100 g offset_0x280f0@plt > 28100-28110 g offset_0x28100@plt > 28110-28120 g offset_0x28110@plt > 28120-28130 g offset_0x28120@plt > 28130-28140 g offset_0x28130@plt > 28140-28150 g offset_0x28140@plt > 28150-28160 g offset_0x28150@plt > 28160-28170 g offset_0x28160@plt > 28170-28180 g offset_0x28170@plt > 28180-28190 g offset_0x28180@plt > 28190-281a0 g offset_0x28190@plt > 281a0-281b0 g offset_0x281a0@plt > 281b0-281c0 g offset_0x281b0@plt > 281c0-281d0 g offset_0x281c0@plt > 281d0-281e0 g offset_0x281d0@plt > 281e0-281f0 g offset_0x281e0@plt > 281f0-28200 g offset_0x281f0@plt > 28200-28210 g offset_0x28200@plt > 28210-28220 g offset_0x28210@plt > 28220-28230 g offset_0x28220@plt > 28230-28240 g offset_0x28230@plt > 28240-28250 g offset_0x28240@plt > 28250-28260 g offset_0x28250@plt > 28260-28270 g offset_0x28260@plt > 28270-28280 g offset_0x28270@plt > 28280-28290 g offset_0x28280@plt > 28290-282a0 g offset_0x28290@plt > 282a0-282b0 g offset_0x282a0@plt > 282b0-282c0 g offset_0x282b0@plt > 282c0-282d0 g offset_0x282c0@plt > 282d0-282e0 g offset_0x282d0@plt > 282e0-282f0 g offset_0x282e0@plt > 282f0-28300 g offset_0x282f0@plt > 28300-28310 g offset_0x28300@plt > 28310-28320 g offset_0x28310@plt > 28320-28330 g offset_0x28320@plt > 28330-28340 g offset_0x28330@plt > 28340-28350 g offset_0x28340@plt > 28350-28360 g offset_0x28350@plt > 28360-28370 g offset_0x28360@plt Signed-off-by:
Adrian Hunter <adrian.hunter@intel.com> Acked-by:
Ian Rogers <irogers@google.com> Cc: Jiri Olsa <jolsa@kernel.org> Cc: Namhyung Kim <namhyung@kernel.org> Link: https://lore.kernel.org/r/20230120123456.12449-9-adrian.hunter@intel.com Signed-off-by:
Arnaldo Carvalho de Melo <acme@redhat.com>
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Adrian Hunter authored
perf expands the _init symbol over .plt because there are no PLT symbols at that point, but then dso__synthesize_plt_symbols() creates them. Fix by truncating the previous symbol and inserting a symbol for .plt header. Example: Before: $ perf test --dso `which uname` -v Symbols 74: Symbols : --- start --- test child forked, pid 191028 Problems creating module maps, continuing anyway... Testing /usr/bin/uname Overlapping symbols: 2000-25f0 g _init 2040-2050 g free@plt test child finished with -1 ---- end ---- Symbols: FAILED! $ perf test --dso `which uname` -vv Symbols 2>/tmp/cmp1.txt After: $ perf test --dso `which uname` -v Symbols 74: Symbols : --- start --- test child forked, pid 194291 Testing /usr/bin/uname test child finished with 0 ---- end ---- Symbols: Ok $ perf test --dso `which uname` -vv Symbols 2>/tmp/cmp2.txt $ diff /tmp/cmp1.txt /tmp/cmp2.txt 4,5c4 < test child forked, pid 191031 < Problems creating module maps, continuing anyway... --- > test child forked, pid 194296 9c8,9 < 2000-25f0 g _init --- > 2000-2030 g _init > 2030-2040 g .plt 100,103c100 < Overlapping symbols: < 2000-25f0 g _init < 2040-2050 g free@plt < test child finished with -1 --- > test child finished with 0 105c102 < Symbols: FAILED! --- > Symbols: Ok $ Signed-off-by:
Adrian Hunter <adrian.hunter@intel.com> Tested-by:
Arnaldo Carvalho de Melo <acme@redhat.com> Acked-by:
Ian Rogers <irogers@google.com> Cc: Jiri Olsa <jolsa@kernel.org> Cc: Namhyung Kim <namhyung@kernel.org> Link: https://lore.kernel.org/r/20230120123456.12449-8-adrian.hunter@intel.com Signed-off-by:
Arnaldo Carvalho de Melo <acme@redhat.com>
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Adrian Hunter authored
ss->dynsym is checked to be not NULL twice. Remove the first check because, in fact, there can be a plt with no dynsym, which is something that will be dealt with later. Signed-off-by:
Adrian Hunter <adrian.hunter@intel.com> Acked-by:
Ian Rogers <irogers@google.com> Cc: Jiri Olsa <jolsa@kernel.org> Cc: Namhyung Kim <namhyung@kernel.org> Link: https://lore.kernel.org/r/20230120123456.12449-7-adrian.hunter@intel.com Signed-off-by:
Arnaldo Carvalho de Melo <acme@redhat.com>
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Adrian Hunter authored
Return zero directly instead of needless 'goto out_elf_end' that does the same thing. That allows 'err' to be initialized to -1 instead of having to change its value later. Signed-off-by:
Adrian Hunter <adrian.hunter@intel.com> Acked-by:
Ian Rogers <irogers@google.com> Cc: Jiri Olsa <jolsa@kernel.org> Cc: Namhyung Kim <namhyung@kernel.org> Link: https://lore.kernel.org/r/20230120123456.12449-6-adrian.hunter@intel.com Signed-off-by:
Arnaldo Carvalho de Melo <acme@redhat.com>
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Adrian Hunter authored
Symbols should not be cached when there are more symbols still to add. Add dso__find_symbol_nocache() to facilitate that. Signed-off-by:
Adrian Hunter <adrian.hunter@intel.com> Acked-by:
Ian Rogers <irogers@google.com> Cc: Jiri Olsa <jolsa@kernel.org> Cc: Namhyung Kim <namhyung@kernel.org> Link: https://lore.kernel.org/r/20230120123456.12449-5-adrian.hunter@intel.com Signed-off-by:
Arnaldo Carvalho de Melo <acme@redhat.com>
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Adrian Hunter authored
The code expects non-zero plt_entry_size. Check it and add a debug message to print if it is zero. Signed-off-by:
Adrian Hunter <adrian.hunter@intel.com> Acked-by:
Ian Rogers <irogers@google.com> Cc: Jiri Olsa <jolsa@kernel.org> Cc: Namhyung Kim <namhyung@kernel.org> Link: https://lore.kernel.org/r/20230120123456.12449-4-adrian.hunter@intel.com Signed-off-by:
Arnaldo Carvalho de Melo <acme@redhat.com>
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Adrian Hunter authored
Factor out get_plt_sizes() to make the code more readable and further changes to dso__synthesize_plt_symbols() easier to follow. Signed-off-by:
Adrian Hunter <adrian.hunter@intel.com> Acked-by:
Ian Rogers <irogers@google.com> Cc: Jiri Olsa <jolsa@kernel.org> Cc: Namhyung Kim <namhyung@kernel.org> Link: https://lore.kernel.org/r/20230120123456.12449-3-adrian.hunter@intel.com Signed-off-by:
Arnaldo Carvalho de Melo <acme@redhat.com>
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Adrian Hunter authored
Add a test to check function symbols do not overlap and are not zero length. The main motivation for the test is to make it easier to review changes to PLT symbol synthesis i.e. changes to dso__synthesize_plt_symbols(). By default the test uses the perf executable as a test DSO, but a specific DSO can be specified via a new perf test option "--dso". The test is useful in the following ways: - Any DSO can be tested, even ones that do not run on the current architecture. For example, using cross-compiled DSOs to see how well perf handles different architectures. - With verbose > 1 (e.g. -vv), all the symbols are printed, which makes it easier to see issues. - perf removes duplicate symbols and expands zero-length symbols to reach the next symbol, however that is done before adding synthesized symbols, so the test is checking those also. Example: $ perf test -v Symbols 74: Symbols : --- start --- test child forked, pid 154918 Testing /home/user/bin/perf Overlapping symbols: 7d000-7f3a0 g _init 7d030-7d040 g __printf_chk@plt test child finished with -1 ---- end ---- Symbols: FAILED! Note the test fails because perf expands the _init symbol over the PLT because there are no PLT symbols at that point, but then dso__synthesize_plt_symbols() creates them. Signed-off-by:
Adrian Hunter <adrian.hunter@intel.com> Tested-by:
Arnaldo Carvalho de Melo <acme@redhat.com> Acked-by:
Ian Rogers <irogers@google.com> Cc: Jiri Olsa <jolsa@kernel.org> Cc: Namhyung Kim <namhyung@kernel.org> Link: https://lore.kernel.org/r/20230120123456.12449-2-adrian.hunter@intel.com Signed-off-by:
Arnaldo Carvalho de Melo <acme@redhat.com>
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git://git.kernel.org/pub/scm/linux/kernel/git/tip/tipLinus Torvalds authored
Pull scheduler fixes from Borislav Petkov: - Make sure the scheduler doesn't use stale frequency scaling values when latter get disabled due to a value error - Fix a NULL pointer access on UP configs - Use the proper locking when updating CPU capacity * tag 'sched_urgent_for_v6.2_rc6' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip: x86/aperfmperf: Erase stale arch_freq_scale values when disabling frequency invariance readings sched/core: Fix NULL pointer access fault in sched_setaffinity() with non-SMP configs sched/fair: Fixes for capacity inversion detection sched/uclamp: Fix a uninitialized variable warnings
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git://git.kernel.org/pub/scm/linux/kernel/git/ras/rasLinus Torvalds authored
Pull EDAC fixes from Borislav Petkov: - Respect user-supplied polling value in the EDAC device code - Fix a use-after-free issue in qcom_edac * tag 'edac_urgent_for_v6.2_rc6' of git://git.kernel.org/pub/scm/linux/kernel/git/ras/ras: EDAC/qcom: Do not pass llcc_driv_data as edac_device_ctl_info's pvt_info EDAC/device: Respect any driver-supplied workqueue polling value
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git://git.kernel.org/pub/scm/linux/kernel/git/tip/tipLinus Torvalds authored
Pull perf fix from Borislav Petkov: - Add Emerald Rapids model support to more perf machinery * tag 'perf_urgent_for_v6.2_rc6' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip: perf/x86/intel/cstate: Add Emerald Rapids perf/x86/intel: Add Emerald Rapids
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git://git.kernel.org/pub/scm/linux/kernel/git/gfs2/linux-gfs2Linus Torvalds authored
Pull gfs2 writepage fix from Andreas Gruenbacher: - Fix a regression introduced by commit "gfs2: stop using generic_writepages in gfs2_ail1_start_one". * tag 'gfs2-v6.2-rc4-fix' of git://git.kernel.org/pub/scm/linux/kernel/git/gfs2/linux-gfs2: Revert "gfs2: stop using generic_writepages in gfs2_ail1_start_one"
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- Jan 22, 2023
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Andreas Gruenbacher authored
Commit b2b0a5e9 switched from generic_writepages() to filemap_fdatawrite_wbc() in gfs2_ail1_start_one() on the path to replacing ->writepage() with ->writepages() and eventually eliminating the former. Function gfs2_ail1_start_one() is called from gfs2_log_flush(), our main function for flushing the filesystem log. Unfortunately, at least as implemented today, ->writepage() and ->writepages() are entirely different operations for journaled data inodes: while the former creates and submits transactions covering the data to be written, the latter flushes dirty buffers out to disk. With gfs2_ail1_start_one() now calling ->writepages(), we end up creating filesystem transactions while we are in the course of a log flush, which immediately deadlocks on the sdp->sd_log_flush_lock semaphore. Work around that by going back to how things used to work before commit b2b0a5e9 for now; figuring out a superior solution will take time we don't have available right now. However ... Since the removal of generic_writepages() is imminent, open-code it here. We're already inside a blk_start_plug() ... blk_finish_plug() section here, so skip that part of the original generic_writepages(). This reverts commit b2b0a5e9 . Signed-off-by:
Andreas Gruenbacher <agruenba@redhat.com> Acked-by:
Christoph Hellwig <hch@lst.de>
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Linus Torvalds authored
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git://git.kernel.dk/linuxLinus Torvalds authored
Pull another io_uring fix from Jens Axboe: "Just a single fix for a regression that happened in this release due to a poll change. Normally I would've just deferred it to next week, but since the original fix got picked up by stable, I think it's better to just send this one off separately. The issue is around the poll race fix, and how it mistakenly also got applied to multishot polling. Those don't need the race fix, and we should not be doing any reissues for that case. Exhaustive test cases were written and committed to the liburing regression suite for the reported issue, and additions for similar issues" * tag 'io_uring-6.2-2023-01-21' of git://git.kernel.dk/linux: io_uring/poll: don't reissue in case of poll race on multishot request
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git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/char-miscLinus Torvalds authored
Pull char/misc driver fixes from Greg KH: "Here are some small char/misc and other subsystem driver fixes for 6.2-rc5 to resolve a few reported issues. They include: - long time pending fastrpc fixes (should have gone into 6.1, my fault) - mei driver/bus fixes and new device ids - interconnect driver fixes for reported problems - vmci bugfix - w1 driver bugfixes for reported problems Almost all of these have been in linux-next with no reported problems, the rest have all passed 0-day bot testing in my tree and on the mailing lists where they have sat too long due to me taking a long time to catch up on my pending patch queue" * tag 'char-misc-6.2-rc5' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/char-misc: VMCI: Use threaded irqs instead of tasklets misc: fastrpc: Pass bitfield into qcom_scm_assign_mem gsmi: fix null-deref in gsmi_get_variable misc: fastrpc: Fix use-after-free race condition for maps misc: fastrpc: Don't remove map on creater_process and device_release misc: fastrpc: Fix use-after-free and race in fastrpc_map_find misc: fastrpc: fix error code in fastrpc_req_mmap() mei: me: add meteor lake point M DID mei: bus: fix unlink on bus in error path w1: fix WARNING after calling w1_process() w1: fix deadloop in __w1_remove_master_device() comedi: adv_pci1760: Fix PWM instruction handling interconnect: qcom: rpm: Use _optional func for provider clocks interconnect: qcom: msm8996: Fix regmap max_register values interconnect: qcom: msm8996: Provide UFS clocks to A2NoC dt-bindings: interconnect: Add UFS clocks to MSM8996 A2NoC
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git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/driver-coreLinus Torvalds authored
Pull driver core fixes from Greg KH: "Here are three small driver and kernel core fixes for 6.2-rc5. They include: - potential gadget fixup in do_prlimit - device property refcount leak fix - test_async_probe bugfix for reported problem" * tag 'driver-core-6.2-rc5' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/driver-core: prlimit: do_prlimit needs to have a speculation check driver core: Fix test_async_probe_init saves device in wrong array device property: fix of node refcount leak in fwnode_graph_get_next_endpoint()
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git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/stagingLinus Torvalds authored
Pull staging driver fix from Greg KH: "Here is a single staging driver fix for 6.2-rc5. It resolves a build issue reported and Fixed by Arnd in the vc04_services driver. It's been in linux-next this week with no reported problems" * tag 'staging-6.2-rc5' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/staging: staging: vchiq_arm: fix enum vchiq_status return types
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git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/ttyLinus Torvalds authored
Pull tty/serial driver fixes from Greg KH: "Here are some small tty and serial driver fixes for 6.2-rc5 that resolve a number of tiny reported issues and some new device ids. They include: - new device id for the exar serial driver - speakup tty driver bugfix - atmel serial driver baudrate fixup - stm32 serial driver bugfix and then revert as the bugfix broke the build. That will come back in a later pull request once it is all worked out properly. - amba-pl011 serial driver rs486 mode bugfix - qcom_geni serial driver bugfix Most of these have been in linux-next with no reported problems (well, other than the build breakage which generated the revert), the new device id passed 0-day testing" * tag 'tty-6.2-rc5' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/tty: serial: exar: Add support for Sealevel 7xxxC serial cards Revert "serial: stm32: Merge hard IRQ and threaded IRQ handling into single IRQ handler" tty: serial: qcom_geni: avoid duplicate struct member init serial: atmel: fix incorrect baudrate setup tty: fix possible null-ptr-defer in spk_ttyio_release serial: stm32: Merge hard IRQ and threaded IRQ handling into single IRQ handler serial: amba-pl011: fix high priority character transmission in rs486 mode serial: pch_uart: Pass correct sg to dma_unmap_sg() tty: serial: qcom-geni-serial: fix slab-out-of-bounds on RX FIFO buffer
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git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usbLinus Torvalds authored
Pull USB / Thunderbolt fixes from Greg KH: "Here are a number of small USB and Thunderbolt driver fixes and new device id changes for 6.2-rc5. Included in here are: - thunderbolt bugfixes for reported problems - new usb-serial driver ids added - onboard_hub usb driver fixes for much-reported problems - xhci bugfixes - typec bugfixes - ehci-fsl driver module alias fix - iowarrior header size fix - usb gadget driver fixes All of these, except for the iowarrior fix, have been in linux-next with no reported issues. The iowarrior fix passed the 0-day testing and is a one digit change based on a reported problem in the driver (which was written to a spec, not the real device that is now available)" * tag 'usb-6.2-rc5' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb: (40 commits) USB: misc: iowarrior: fix up header size for USB_DEVICE_ID_CODEMERCS_IOW100 usb: host: ehci-fsl: Fix module alias usb: dwc3: fix extcon dependency usb: core: hub: disable autosuspend for TI TUSB8041 USB: fix misleading usb_set_intfdata() kernel doc usb: gadget: f_ncm: fix potential NULL ptr deref in ncm_bitrate() USB: gadget: Add ID numbers to configfs-gadget driver names usb: typec: tcpm: Fix altmode re-registration causes sysfs create fail usb: gadget: g_webcam: Send color matching descriptor per frame usb: typec: altmodes/displayport: Use proper macro for pin assignment check usb: typec: altmodes/displayport: Fix pin assignment calculation usb: typec: altmodes/displayport: Add pin assignment helper usb: gadget: f_fs: Ensure ep0req is dequeued before free_request usb: gadget: f_fs: Prevent race during ffs_ep0_queue_wait usb: misc: onboard_hub: Move 'attach' work to the driver usb: misc: onboard_hub: Invert driver registration order usb: ucsi: Ensure connector delayed work items are flushed usb: musb: fix error return code in omap2430_probe() usb: chipidea: core: fix possible constant 0 if use IS_ERR(ci->role_switch) xhci: Detect lpm incapable xHC USB3 roothub ports from ACPI tables ...
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Linus Torvalds authored
Merge tag 'kbuild-fixes-v6.2-3' of git://git.kernel.org/pub/scm/linux/kernel/git/masahiroy/linux-kbuild Pull Kbuild fixes from Masahiro Yamada: - Hide LDFLAGS_vmlinux from decompressor Makefiles to fix error messages when GNU Make 4.4 is used. - Fix 'make modules' build error when CONFIG_DEBUG_INFO_BTF_MODULES=y. - Fix warnings emitted by GNU Make 4.4 in scripts/kconfig/Makefile. - Support GNU Make 4.4 for scripts/jobserver-exec. - Show clearer error message when kernel/gen_kheaders.sh fails due to missing cpio. * tag 'kbuild-fixes-v6.2-3' of git://git.kernel.org/pub/scm/linux/kernel/git/masahiroy/linux-kbuild: kheaders: explicitly validate existence of cpio command scripts: support GNU make 4.4 in jobserver-exec kconfig: Update all declared targets scripts: rpm: make clear that mkspec script contains 4.13 feature init/Kconfig: fix LOCALVERSION_AUTO help text kbuild: fix 'make modules' error when CONFIG_DEBUG_INFO_BTF_MODULES=y kbuild: export top-level LDFLAGS_vmlinux only to scripts/Makefile.vmlinux init/version-timestamp.c: remove unneeded #include <linux/version.h> docs: kbuild: remove mention to dropped $(objtree) feature
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Linus Torvalds authored
We potentially have old hashes of the xattr names generated on systems with signed 'char' types. Now that everybody uses '-funsigned-char', those hashes will no longer match. This only happens if you use xattrs names that have the high bit set, which probably doesn't happen in practice, but the xfstest generic/454 shows it. Instead of adding a new "signed xattr hash filesystem" bit and having to deal with all the possible combinations, just calculate the hash both ways if the first one fails, and always generate new hashes with the proper unsigned char version. Reported-by:
kernel test robot <oliver.sang@intel.com> Link: https://lore.kernel.org/oe-lkp/202212291509.704a11c9-oliver.sang@intel.com Link: https://lore.kernel.org/all/CAHk-=whUNjwqZXa-MH9KMmc_CpQpoFKFjAB9ZKHuu=TbsouT4A@mail.gmail.com/ Exposed-by: 3bc753c0 ("kbuild: treat char as always unsigned") Cc: Eric Biggers <ebiggers@kernel.org> Cc: Andreas Dilger <adilger@dilger.ca> Cc: Theodore Ts'o <tytso@mit.edu>, Cc: Jason Donenfeld <Jason@zx2c4.com> Cc: Masahiro Yamada <masahiroy@kernel.org> Signed-off-by:
Linus Torvalds <torvalds@linux-foundation.org>
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- Jan 21, 2023
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Greg Kroah-Hartman authored
do_prlimit() adds the user-controlled resource value to a pointer that will subsequently be dereferenced. In order to help prevent this codepath from being used as a spectre "gadget" a barrier needs to be added after checking the range. Reported-by:
Jordy Zomer <jordyzomer@google.com> Tested-by:
Jordy Zomer <jordyzomer@google.com> Suggested-by:
Linus Torvalds <torvalds@linuxfoundation.org> Signed-off-by:
Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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git://git.kernel.org/pub/scm/linux/kernel/git/brgl/linuxLinus Torvalds authored
Pull gpio fixes from Bartosz Golaszewski: - fix a potential race condition and always set GPIOs used as interrupt source to input in gpio-mxc - fix a GPIO ACPI-related issue with system suspend on Clevo NL5xRU * tag 'gpio-fixes-for-v6.2-rc5' of git://git.kernel.org/pub/scm/linux/kernel/git/brgl/linux: gpiolib: acpi: Add a ignore wakeup quirk for Clevo NL5xRU gpiolib: acpi: Allow ignoring wake capability on pins that aren't in _AEI gpio: mxc: Always set GPIOs used as interrupt source to INPUT mode gpio: mxc: Protect GPIO irqchip RMW with bgpio spinlock
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