- 22 Jun, 2020 31 commits
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Ian Rogers authored
Allow pmu parser to be debugged as the parse-events and expr currently are. Enabling this requires the C code to set perf_pmu_debug. Signed-off-by:
Ian Rogers <irogers@google.com> Acked-by:
Jiri Olsa <jolsa@redhat.com> Cc: Adrian Hunter <adrian.hunter@intel.com> Cc: Alexander Shishkin <alexander.shishkin@linux.intel.com> Cc: Andi Kleen <ak@linux.intel.com> Cc: Jin Yao <yao.jin@linux.intel.com> Cc: John Garry <john.garry@huawei.com> Cc: Mark Rutland <mark.rutland@arm.com> Cc: Namhyung Kim <namhyung@kernel.org> Cc: Peter Zijlstra <peterz@infradead.org> Cc: Stephane Eranian <eranian@google.com> Link: http://lore.kernel.org/lkml/20200619043356.90024-4-irogers@google.comSigned-off-by:
Arnaldo Carvalho de Melo <acme@redhat.com>
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Ian Rogers authored
This reduces the command line size slightly. Signed-off-by:
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Ian Rogers authored
This reduces the command line size slightly. Signed-off-by:
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Arnaldo Carvalho de Melo authored
To differentiate from libperf's 'struct perf_evlist' methods. Cc: Adrian Hunter <adrian.hunter@intel.com> Cc: Jiri Olsa <jolsa@kernel.org> Cc: Namhyung Kim <namhyung@kernel.org> Signed-off-by: -
Arnaldo Carvalho de Melo authored
To differentiate from libperf's 'struct perf_evlist' methods. Cc: Adrian Hunter <adrian.hunter@intel.com> Cc: Jiri Olsa <jolsa@kernel.org> Cc: Namhyung Kim <namhyung@kernel.org> Signed-off-by: -
Arnaldo Carvalho de Melo authored
To differentiate from libperf's 'struct perf_evlist' methods. Cc: Adrian Hunter <adrian.hunter@intel.com> Cc: Jiri Olsa <jolsa@kernel.org> Cc: Namhyung Kim <namhyung@kernel.org> Signed-off-by: -
Arnaldo Carvalho de Melo authored
To differentiate from libperf's 'struct perf_evlist' methods. Cc: Adrian Hunter <adrian.hunter@intel.com> Cc: Jiri Olsa <jolsa@kernel.org> Cc: Namhyung Kim <namhyung@kernel.org> Signed-off-by: -
Arnaldo Carvalho de Melo authored
To differentiate from libperf's 'struct perf_evlist' methods. Cc: Adrian Hunter <adrian.hunter@intel.com> Cc: Jiri Olsa <jolsa@kernel.org> Cc: Namhyung Kim <namhyung@kernel.org> Signed-off-by: -
John Garry authored
For perf list, the CPU core PMU HW event ordering is such that not all events may will be listed adjacent - consider this example: $ tools/perf/perf list List of pre-defined events (to be used in -e): duration_time [Tool event] branch-instructions OR cpu/branch-instructions/ [Kernel PMU event] branch-misses OR cpu/branch-misses/ [Kernel PMU event] bus-cycles OR cpu/bus-cycles/ [Kernel PMU event] cache-misses OR cpu/cache-misses/ [Kernel PMU event] cache-references OR cpu/cache-references/ [Kernel PMU event] cpu-cycles OR cpu/cpu-cycles/ [Kernel PMU event] cstate_core/c3-residency/ [Kernel PMU event] cstate_core/c6-residency/ [Kernel PMU event] cstate_core/c7-residency/ [Kernel PMU event] cstate_pkg/c2-residency/ [Kernel PMU event] cstate_pkg/c3-residency/ [Kernel PMU event] cstate_pkg/c6-residency/ [Kernel PMU event] cstate_pkg/c7-residency/ [Kernel PMU event] cycles-ct OR cpu/cycles-ct/ [Kernel PMU event] cycles-t OR cpu/cycles-t/ [Kernel PMU event] el-abort OR cpu/el-abort/ [Kernel PMU event] el-capacity OR cpu/el-capacity/ [Kernel PMU event] Notice in the above example how the cstate_core PMU events are mixed in the middle of the CPU core events. For my arm64 platform, all the uncore events get mixed in, making the list very disorganised: page-faults OR faults [Software event] task-clock [Software event] duration_time [Tool event] L1-dcache-load-misses [Hardware cache event] L1-dcache-loads [Hardware cache event] L1-icache-load-misses [Hardware cache event] L1-icache-loads [Hardware cache event] branch-load-misses [Hardware cache event] branch-loads [Hardware cache event] dTLB-load-misses [Hardware cache event] dTLB-loads [Hardware cache event] iTLB-load-misses [Hardware cache event] iTLB-loads [Hardware cache event] br_mis_pred OR armv8_pmuv3_0/br_mis_pred/ [Kernel PMU event] br_mis_pred_retired OR armv8_pmuv3_0/br_mis_pred_retired/ [Kernel PMU event] br_pred OR armv8_pmuv3_0/br_pred/ [Kernel PMU event] br_retired OR armv8_pmuv3_0/br_retired/ [Kernel PMU event] br_return_retired OR armv8_pmuv3_0/br_return_retired/ [Kernel PMU event] bus_access OR armv8_pmuv3_0/bus_access/ [Kernel PMU event] bus_cycles OR armv8_pmuv3_0/bus_cycles/ [Kernel PMU event] cid_write_retired OR armv8_pmuv3_0/cid_write_retired/ [Kernel PMU event] cpu_cycles OR armv8_pmuv3_0/cpu_cycles/ [Kernel PMU event] dtlb_walk OR armv8_pmuv3_0/dtlb_walk/ [Kernel PMU event] exc_return OR armv8_pmuv3_0/exc_return/ [Kernel PMU event] exc_taken OR armv8_pmuv3_0/exc_taken/ [Kernel PMU event] hisi_sccl1_ddrc0/act_cmd/ [Kernel PMU event] hisi_sccl1_ddrc0/flux_rcmd/ [Kernel PMU event] hisi_sccl1_ddrc0/flux_rd/ [Kernel PMU event] hisi_sccl1_ddrc0/flux_wcmd/ [Kernel PMU event] hisi_sccl1_ddrc0/flux_wr/ [Kernel PMU event] hisi_sccl1_ddrc0/pre_cmd/ [Kernel PMU event] hisi_sccl1_ddrc0/rnk_chg/ [Kernel PMU event] ... hisi_sccl7_l3c21/wr_hit_cpipe/ [Kernel PMU event] hisi_sccl7_l3c21/wr_hit_spipe/ [Kernel PMU event] hisi_sccl7_l3c21/wr_spipe/ [Kernel PMU event] inst_retired OR armv8_pmuv3_0/inst_retired/ [Kernel PMU event] inst_spec OR armv8_pmuv3_0/inst_spec/ [Kernel PMU event] itlb_walk OR armv8_pmuv3_0/itlb_walk/ [Kernel PMU event] l1d_cache OR armv8_pmuv3_0/l1d_cache/ [Kernel PMU event] l1d_cache_refill OR armv8_pmuv3_0/l1d_cache_refill/ [Kernel PMU event] l1d_cache_wb OR armv8_pmuv3_0/l1d_cache_wb/ [Kernel PMU event] l1d_tlb OR armv8_pmuv3_0/l1d_tlb/ [Kernel PMU event] l1d_tlb_refill OR armv8_pmuv3_0/l1d_tlb_refill/ [Kernel PMU event] So the events are list alphabetically. However, CPU core event listing is special from commit dc098b35 ("perf list: List kernel supplied event aliases"), in that the alias and full event is shown (in that order). As such, the core events may become sparse. Improve this by grouping the CPU core events and ensure that they are listed first for kernel PMU events. For the first example, above, this now looks like: duration_time [Tool event] branch-instructions OR cpu/branch-instructions/ [Kernel PMU event] branch-misses OR cpu/branch-misses/ [Kernel PMU event] bus-cycles OR cpu/bus-cycles/ [Kernel PMU event] cache-misses OR cpu/cache-misses/ [Kernel PMU event] cache-references OR cpu/cache-references/ [Kernel PMU event] cpu-cycles OR cpu/cpu-cycles/ [Kernel PMU event] cycles-ct OR cpu/cycles-ct/ [Kernel PMU event] cycles-t OR cpu/cycles-t/ [Kernel PMU event] el-abort OR cpu/el-abort/ [Kernel PMU event] el-capacity OR cpu/el-capacity/ [Kernel PMU event] el-commit OR cpu/el-commit/ [Kernel PMU event] el-conflict OR cpu/el-conflict/ [Kernel PMU event] el-start OR cpu/el-start/ [Kernel PMU event] instructions OR cpu/instructions/ [Kernel PMU event] mem-loads OR cpu/mem-loads/ [Kernel PMU event] mem-stores OR cpu/mem-stores/ [Kernel PMU event] ref-cycles OR cpu/ref-cycles/ [Kernel PMU event] topdown-fetch-bubbles OR cpu/topdown-fetch-bubbles/ [Kernel PMU event] topdown-recovery-bubbles OR cpu/topdown-recovery-bubbles/ [Kernel PMU event] topdown-slots-issued OR cpu/topdown-slots-issued/ [Kernel PMU event] topdown-slots-retired OR cpu/topdown-slots-retired/ [Kernel PMU event] topdown-total-slots OR cpu/topdown-total-slots/ [Kernel PMU event] tx-abort OR cpu/tx-abort/ [Kernel PMU event] tx-capacity OR cpu/tx-capacity/ [Kernel PMU event] tx-commit OR cpu/tx-commit/ [Kernel PMU event] tx-conflict OR cpu/tx-conflict/ [Kernel PMU event] tx-start OR cpu/tx-start/ [Kernel PMU event] cstate_core/c3-residency/ [Kernel PMU event] cstate_core/c6-residency/ [Kernel PMU event] cstate_core/c7-residency/ [Kernel PMU event] cstate_pkg/c2-residency/ [Kernel PMU event] cstate_pkg/c3-residency/ [Kernel PMU event] cstate_pkg/c6-residency/ [Kernel PMU event] cstate_pkg/c7-residency/ [Kernel PMU event] Signed-off-by:John Garry <john.garry@huawei.com> Acked-by:
Namhyung Kim <namhyung@kernel.org> Tested-by:
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John Garry authored
In commit dc098b35 ("perf list: List kernel supplied event aliases"), the aliases for events are supplied in addition to CPU event in perf list. This relies on the name of the core PMU being "cpu", which is not the case for arm64, so arm64 has always missed this. Use generic is_pmu_core() helper which takes account of arm64 to make this feature work for arm64 (and possibly other archs). Sample, before: armv8_pmuv3_0/br_mis_pred/ [Kernel PMU event] after: br_mis_pred OR armv8_pmuv3_0/br_mis_pred/ [Kernel PMU event] Signed-off-by:
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Mike Leach authored
Adjust the handling of the session sink selection to allow no sink to be selected on the command line. This then forwards the sink selection to the CoreSight infrastructure which will attempt to select a sink based on the default sink select priorities. Signed-off-by:
Mike Leach <mike.leach@linaro.org> Tested-by:
Leo Yan <leo.yan@linaro.org> Cc: Mathieu Poirier <mathieu.poirier@linaro.org> Cc: Peter Zijlstra <peterz@infradead.org> Cc: Suzuki Poulouse <suzuki.poulose@arm.com> Cc: coresight@lists.linaro.org Cc: linux-arm-kernel@lists.infradead.org Signed-off-by:
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Ian Rogers authored
These are broadly useful but required to handle TMA metrics. For example encoding Ports_Utilization from: https://download.01.org/perfmon/TMA_Metrics.csv requires '<'. { "BriefDescription": "This metric estimates fraction of cycles the CPU performance was potentially limited due to Core computation issues (non divider-related). Two distinct categories can be attributed into this metric: (1) heavy data-dependency among contiguous instructions would manifest in this metric - such cases are often referred to as low Instruction Level Parallelism (ILP). (2) Contention on some hardware execution unit other than Divider. For example; when there are too many multiply operations.", "MetricExpr": "( ( cpu@EXE_ACTIVITY.EXE_BOUND_0_PORTS@ + cpu@EXE_ACTIVITY.1_PORTS_UTIL@ + ( cpu@EXE_ACTIVITY.2_PORTS_UTIL@ * ( ( ( cpu@UOPS_RETIRED.RETIRE_SLOTS@ ) / ( cpu@CPU_CLK_UNHALTED.THREAD@ ) ) / ( ( 4.000000 ) + 1.000000 ) ) ) ) / ( cpu@CPU_CLK_UNHALTED.THREAD@ ) if ( cpu@ARITH.DIVIDER_ACTIVE\\,cmask\\=1@ < cpu@EXE_ACTIVITY.EXE_BOUND_0_PORTS@ ) else ( ( cpu@EXE_ACTIVITY.EXE_BOUND_0_PORTS@ + cpu@EXE_ACTIVITY.1_PORTS_UTIL@ + ( cpu@EXE_ACTIVITY.2_PORTS_UTIL@ * ( ( ( cpu@UOPS_RETIRED.RETIRE_SLOTS@ ) / ( cpu@CPU_CLK_UNHALTED.THREAD@ ) ) / ( ( 4.000000 ) + 1.000000 ) ) ) ) - cpu@EXE_ACTIVITY.EXE_BOUND_0_PORTS@ ) / ( cpu@CPU_CLK_UNHALTED.THREAD@ ) )", "MetricGroup": "Topdown_Group_Ports_Utilization", "MetricName": "Topdown_Metric_Ports_Utilization" }, Signed-off-by:
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Ian Rogers authored
d_ratio avoids division by 0 yielding infinity, such as when a counter doesn't get scheduled. An example usage is: { "BriefDescription": "DCache L1 misses", "MetricExpr": "d_ratio(MEM_LOAD_RETIRED.L1_MISS, MEM_LOAD_RETIRED.L1_HIT + MEM_LOAD_RETIRED.L1_MISS + MEM_LOAD_RETIRED.FB_HIT)", "MetricGroup": "DCache;DCache_L1", "MetricName": "DCache_L1_Miss", "ScaleUnit": "100%", } Signed-off-by: -
Arnaldo Carvalho de Melo authored
Fixups related to the introduction of libperf, where the perf_{evsel,evlist}__ prefix is reserved for functions operating on struct perf_{evsel,evlist}. Cc: Adrian Hunter <adrian.hunter@intel.com> Cc: Jiri Olsa <jolsa@kernel.org> Cc: Namhyung Kim <namhyung@kernel.org> Signed-off-by: -
Jiri Olsa authored
Adding new metric test for frontend metric. It's stolen from x86 pmu events. Committer testing: # perf test "Parse and process metrics" 67: Parse and process metrics : Ok # perf test -v "Parse and process metrics" # 67: Parse and process metrics : --- start --- test child forked, pid 104881 metric expr inst_retired.any / cpu_clk_unhalted.thread for IPC found event inst_retired.any found event cpu_clk_unhalted.thread adding {inst_retired.any,cpu_clk_unhalted.thread}:W metric expr idq_uops_not_delivered.core / (4 * (( ( cpu_clk_unhalted.thread / 2 ) * ( 1 + cpu_clk_unhalted.one_thread_active / cpu_clk_unhalted.ref_xclk ) ))) for Frontend_Bound_SMT found event cpu_clk_unhalted.one_thread_active found event cpu_clk_unhalted.ref_xclk found event idq_uops_not_delivered.core found event cpu_clk_unhalted.thread adding {cpu_clk_unhalted.one_thread_active,cpu_clk_unhalted.ref_xclk,idq_uops_not_delivered.core,cpu_clk_unhalted.thread}:W test child finished with 0 ---- end ---- Parse and process metrics: Ok # Had to fix it to initialize that 'struct value' array sentinel with a named initializer to fix the build with some versions of clang: tests/parse-metric.c:154:7: error: missing field 'val' initializer [-Werror,-Wmissing-field-initializers] { 0 }, Signed-off-by:Jiri Olsa <jolsa@kernel.org> Acked-by:
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Jiri Olsa authored
Adding new test that process metrics code and checks the expected results. Starting with easy ipc metric. Committer testing: # perf test "Parse and process metrics" 67: Parse and process metrics : Ok # # perf test -v "Parse and process metrics" 67: Parse and process metrics : --- start --- test child forked, pid 103402 metric expr inst_retired.any / cpu_clk_unhalted.thread for IPC found event inst_retired.any found event cpu_clk_unhalted.thread adding {inst_retired.any,cpu_clk_unhalted.thread}:W test child finished with 0 ---- end ---- Parse and process metrics: Ok # Had to fix it to initialize that 'struct value' array sentinel with a named initializer to fix the build with some versions of clang: tests/parse-metric.c:135:7: error: missing field 'val' initializer [-Werror,-Wmissing-field-initializers] { 0 }, Signed-off-by: -
Jiri Olsa authored
Adding test_generic_metric that prepares and runs given metric over the data from struct runtime_stat object. Signed-off-by:
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Jiri Olsa authored
We don't release metric_events rblist, add the missing delete hook and call the release before leaving cmd_stat. Signed-off-by:
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Jiri Olsa authored
Factoring out prepare_metric function so it can be used in test interface coming in following changes. Signed-off-by:
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Jiri Olsa authored
Add the metricgroup__parse_groups_test function. It will be used as test's interface to metric parsing in following changes. Signed-off-by:
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Jiri Olsa authored
For testing purposes we need to pass our own map of events from parse_groups() through metricgroup__add_metric. Acked-by:
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Jiri Olsa authored
Allow to pass fake_pmu in parse_groups function so it can be used in parse_events call. It's will be passed by the upcoming metricgroup__parse_groups_test function. Committer notes: Made it a 'struct perf_pmu' pointer, in line with the changes at the start of this patchkit to avoid statics deep down in library code. Acked-by:
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Jiri Olsa authored
Factor out the parse_groups function, it will be used for new test interface coming in following changes. Signed-off-by:
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Jiri Olsa authored
The test goes through all metrics compiled for arch within pmu events and try to parse them. This test is different from 'test_parsing' in that we go through all the events in the current arch, not just one defined for current CPU model. Using 'fake_pmu' to parse events which do not have PMUs defined in the system. Say there's bad change in ivybridge metrics file, like: - a/tools/perf/pmu-events/arch/x86/ivybridge/ivb-metrics.json + b/tools/perf/pmu-events/arch/x86/ivybridge/ivb-metrics.json @@ -8,7 +8,7 @@ - "MetricExpr": "IDQ_UOPS_NOT_DELIVERED.CORE / (4 * (( + "MetricExpr": "IDQ_UOPS_NOT_DELIVERED.CORE / / (4 * the test fails with (on my kabylake laptop): $ perf test 'Parsing of PMU event table metrics with fake PMUs' -v parsing 'idq_uops_not_delivered.core / / (4 * (( ( cpu_clk_unh... syntax error, line 1 expr__parse failed test child finished with -1 ... The test also defines its own list of metrics and tries to parse them. It's handy for developing. Committer notes: Testing it: $ perf test fake 10: PMU events : 10.4: Parsing of PMU event table metrics with fake PMUs : FAILED! $ perf test -v fake |& tail parsing '(unc_p_freq_trans_cycles / unc_p_clockticks) * 100.' parsing '(unc_m_power_channel_ppd / unc_m_clockticks) * 100.' parsing '(unc_m_power_critical_throttle_cycles / unc_m_clockticks) * 100.' parsing '(unc_m_power_self_refresh / unc_m_clockticks) * 100.' parsing 'idq_uops_not_delivered.core / * (4 * cycles)' syntax error expr__parse failed test child finished with -1 ---- end ---- PMU events subtest 4: FAILED! $ And fix this error: tests/pmu-events.c:437:40: error: missing field 'idx' initializer [-Werror,-Wmissing-field-initializers] struct parse_events_error error = { 0 }; Signed-off-by: -
Arnaldo Carvalho de Melo authored
When wanting to use the support in __parse_events() for fake pmus, just pass it. Cc: Alexander Shishkin <alexander.shishkin@linux.intel.com> Cc: Andi Kleen <ak@linux.intel.com> Cc: Ian Rogers <irogers@google.com> Cc: Jiri Olsa <jolsa@kernel.org> Cc: Michael Petlan <mpetlan@redhat.com> Cc: Namhyung Kim <namhyung@kernel.org> Cc: Peter Zijlstra <peterz@infradead.org> Cc: Stephane Eranian <eranian@google.com> Signed-off-by: -
Arnaldo Carvalho de Melo authored
This is an alternative patch to what Jiri sent that instead of changing all callers to parse_events() for allowing to pass a fake_pmu, provide another function specifically for that. From Jiri's patch: This way it's possible to parse events from PMUs which are not present in the system. It's available only for testing purposes coming in following changes, so all the current users set fake_pmu argument as false. Based-on-a-patch-by:
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Jiri Olsa authored
Separating the generic part of check_parse_id function, so it can be used in following changes for the new test. Committer notes: Fix this error: tests/pmu-events.c:413:40: error: missing field 'idx' initializer [-Werror,-Wmissing-field-initializers] struct parse_events_error error = { 0 }; Signed-off-by: -
Jiri Olsa authored
Add a way to create a pmu event without the actual PMU being in place. This way we can test metrics defined for any processor. The interface is to define fake_pmu in struct parse_events_state data. It will be used only in tests via special interface function added in following changes. Signed-off-by:
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Jason Yan authored
The '>' expression itself is bool, no need to convert it to bool again. This fixes the following coccicheck warning: tools/perf/ui/browsers/annotate.c:212:30-35: WARNING: conversion to bool not needed here Signed-off-by:
Jason Yan <yanaijie@huawei.com> Cc: Alexander Shishkin <alexander.shishkin@linux.intel.com> Cc: Jiri Olsa <jolsa@redhat.com> Cc: Mark Rutland <mark.rutland@arm.com> Cc: Namhyung Kim <namhyung@kernel.org> Cc: Peter Zijlstra <peterz@infradead.org> Link: http://lore.kernel.org/lkml/20200420123528.11655-1-yanaijie@huawei.comSigned-off-by:
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Andreas Gerstmayr authored
On some platforms the default encoding is not utf-8, which causes an UnicodeDecodeError when reading the flamegraph template and writing the flamegraph Signed-off-by:
Andreas Gerstmayr <agerstmayr@redhat.com> Cc: Alexander Shishkin <alexander.shishkin@linux.intel.com> Cc: Jiri Olsa <jolsa@redhat.com> Cc: Mark Rutland <mark.rutland@arm.com> Cc: Michael Petlan <mpetlan@redhat.com> Cc: Namhyung Kim <namhyung@kernel.org> Cc: Peter Zijlstra <peterz@infradead.org> Link: http://lore.kernel.org/lkml/20200619153232.203537-1-agerstmayr@redhat.comSigned-off-by:
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Jason A. Donenfeld authored
This reverts commit 8ece3b3e. This commit broke userspace. Bash uses ESPIPE to determine whether or not the file should be read using "unbuffered I/O", which means reading 1 byte at a time instead of 128 bytes at a time. I used to use bash to read through kmsg in a really quite nasty way: while read -t 0.1 -r line 2>/dev/null || [[ $? -ne 142 ]]; do echo "SARU $line" done < /dev/kmsg This will show all lines that can fit into the 128 byte buffer, and skip lines that don't. That's pretty awful, but at least it worked. With this change, bash now tries to do 1-byte reads, which means it skips all the lines, which is worse than before. Now, I don't really care very much about this, and I'm already look for a workaround. But I did just spend an hour trying to figure out why my scripts were broken. Either way, it makes no difference to me personally whether this is reverted, but it might be something to consider. If you declare that "trying to read /dev/kmsg with bash is terminally stupid anyway," I might be inclined to agree with you. But do note that bash uses lseek(fd, 0, SEEK_CUR)==>ESPIPE to determine whether or not it's reading from a pipe. Cc: Bruno Meneguele <bmeneg@redhat.com> Cc: Sergey Senozhatsky <sergey.senozhatsky@gmail.com> Cc: Steven Rostedt <rostedt@goodmis.org> Cc: David Laight <David.Laight@ACULAB.COM> Cc: Sergey Senozhatsky <sergey.senozhatsky@gmail.com> Cc: Petr Mladek <pmladek@suse.com> Signed-off-by:
Jason A. Donenfeld <Jason@zx2c4.com> Signed-off-by:
Linus Torvalds <torvalds@linux-foundation.org>
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- 21 Jun, 2020 9 commits
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Linus Torvalds authored
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git://git.kernel.org/pub/scm/linux/kernel/git/pcmoore/selinuxLinus Torvalds authored
Pull SELinux fixes from Paul Moore: "Three small patches to fix problems in the SELinux code, all found via clang. Two patches fix potential double-free conditions and one fixes an undefined return value" * tag 'selinux-pr-20200621' of git://git.kernel.org/pub/scm/linux/kernel/git/pcmoore/selinux: selinux: fix undefined return of cond_evaluate_expr selinux: fix a double free in cond_read_node()/cond_read_list() selinux: fix double free
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git://git.kernel.org/pub/scm/linux/kernel/git/linusw/linux-pinctrlLinus Torvalds authored
Pull pin control fixes from Linus Walleij: "Some early fixes collected during the first week after the merge window, all pretty self-evident, with the details below. The revert is the crucial thing. - Fix a warning on the Qualcomm SPMI GPIO chip being instatiated twice without a unique irqchip struct - Use the noirq variants of the suspend and resume callbacks in the Tegra driver - Clean up the errorpath on the MCP23s08 driver - Revert the use of devm_of_iomap() in the Freescale driver as it was regressing the platform - Add some missing pins in the Qualcomm IPQ6018 driver - Fix a simple documentation bug in the pinctrl-single driver" * tag 'pinctrl-v5.8-2' of git://git.kernel.org/pub/scm/linux/kernel/git/linusw/linux-pinctrl: pinctrl: single: fix function name in documentation pinctrl: qcom: ipq6018 Add missing pins in qpic pin group Revert "pinctrl: freescale: imx: Use 'devm_of_iomap()' to avoid a resource leak in case of error in 'imx_pinctrl_probe()'" pinctrl: mcp23s08: Split to three parts: fix ptr_ret.cocci warnings pinctrl: tegra: Use noirq suspend/resume callbacks pinctrl: qcom: spmi-gpio: fix warning about irq chip reusage -
Linus Torvalds authored
Merge tag 'kbuild-fixes-v5.8' of git://git.kernel.org/pub/scm/linux/kernel/git/masahiroy/linux-kbuild Pull Kbuild fixes from Masahiro Yamada: - fix -gz=zlib compiler option test for CONFIG_DEBUG_INFO_COMPRESSED - improve cc-option in scripts/Kbuild.include to clean up temp files - improve cc-option in scripts/Kconfig.include for more reliable compile option test - do not copy modules.builtin by 'make install' because it would break existing systems - use 'userprogs' syntax for watch_queue sample * tag 'kbuild-fixes-v5.8' of git://git.kernel.org/pub/scm/linux/kernel/git/masahiroy/linux-kbuild: samples: watch_queue: build sample program for target architecture Revert "Makefile: install modules.builtin even if CONFIG_MODULES=n" scripts: Fix typo in headers_install.sh kconfig: unify cc-option and as-option kbuild: improve cc-option to clean up all temporary files Makefile: Improve compressed debug info support detection
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git://git.kernel.org/pub/scm/linux/kernel/git/powerpc/linuxLinus Torvalds authored
Pull powerpc fixes from Michael Ellerman: - One fix for the interrupt rework we did last release which broke KVM-PR - Three commits fixing some fallout from the READ_ONCE() changes interacting badly with our 8xx 16K pages support, which uses a pte_t that is a structure of 4 actual PTEs - A cleanup of the 8xx pte_update() to use the newly added pmd_off() - A fix for a crash when handling an oops if CONFIG_DEBUG_VIRTUAL is enabled - A minor fix for the SPU syscall generation Thanks to Aneesh Kumar K.V, Christian Zigotzky, Christophe Leroy, Mike Rapoport, Nicholas Piggin. * tag 'powerpc-5.8-3' of git://git.kernel.org/pub/scm/linux/kernel/git/powerpc/linux: powerpc/8xx: Provide ptep_get() with 16k pages mm: Allow arches to provide ptep_get() mm/gup: Use huge_ptep_get() in gup_hugepte() powerpc/syscalls: Use the number when building SPU syscall table powerpc/8xx: use pmd_off() to access a PMD entry in pte_update() powerpc/64s: Fix KVM interrupt using wrong save area powerpc: Fix kernel crash in show_instructions() w/DEBUG_VIRTUAL
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git://git.kernel.org/pub/scm/linux/kernel/git/herbert/crypto-2.6Linus Torvalds authored
Pull crypto fixes from Herbert Xu: - NULL dereference in octeontx - PM reference imbalance in ks-sa - deadlock in crypto manager - memory leak in drbg - missing socket limit check on receive SG list size in algif_skcipher - typos in caam - warnings in ccp and hisilicon * 'linus' of git://git.kernel.org/pub/scm/linux/kernel/git/herbert/crypto-2.6: crypto: drbg - always try to free Jitter RNG instance crypto: marvell/octeontx - Fix a potential NULL dereference crypto: algboss - don't wait during notifier callback crypto: caam - fix typos crypto: ccp - Fix sparse warnings in sev-dev crypto: hisilicon - Cap block size at 2^31 crypto: algif_skcipher - Cap recv SG list at ctx->used hwrng: ks-sa - Fix runtime PM imbalance on error
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Masahiro Yamada authored
This userspace program includes UAPI headers exported to usr/include/. 'make headers' always works for the target architecture (i.e. the same architecture as the kernel), so the sample program should be built for the target as well. Kbuild now supports 'userprogs' for that. I also guarded the CONFIG option by 'depends on CC_CAN_LINK' because $(CC) may not provide libc. Signed-off-by:Masahiro Yamada <masahiroy@kernel.org>
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Masahiro Yamada authored
This reverts commit e0b250b5, which broke build systems that need to install files to a certain path, but do not set INSTALL_MOD_PATH when invoking 'make install'. $ make INSTALL_PATH=/tmp/destdir install mkdir: cannot create directory ‘/lib/modules/5.8.0-rc1+/’: Permission denied Makefile:1342: recipe for target '_builtin_inst_' failed make: *** [_builtin_inst_] Error 1 While modules.builtin is useful also for CONFIG_MODULES=n, this change in the behavior is quite unexpected. Maybe "make modules_install" can install modules.builtin irrespective of CONFIG_MODULES as Jonas originally suggested. Anyway, that commit should be reverted ASAP. Reported-by:
Douglas Anderson <dianders@chromium.org> Reported-by:
Guenter Roeck <linux@roeck-us.net> Cc: Jonas Karlman <jonas@kwiboo.se> Signed-off-by:
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git://git.kernel.org/pub/scm/linux/kernel/git/jejb/scsiLinus Torvalds authored
Pull SCSI fixes from James Bottomley: "One minor fix and two patches reworking the ata dma drain for the !CONFIG_LIBATA case. The latter is a 5.7 regression fix" * tag 'scsi-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/jejb/scsi: scsi: Wire up ata_scsi_dma_need_drain for SAS HBA drivers scsi: libata: Provide an ata_scsi_dma_need_drain stub for !CONFIG_ATA scsi: ufs-bsg: Fix runtime PM imbalance on error
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