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| author | Peter Zijlstra <peterz@infradead.org> | 2018-09-25 17:58:35 +0200 |
|---|---|---|
| committer | Ingo Molnar <mingo@kernel.org> | 2018-10-02 09:37:56 +0200 |
| commit | a9f9772114c8b07ae75bcb3654bd017461248095 (patch) | |
| tree | af2008edb00495276c182e7d77f8c334ab502ef1 /lib/test_module.c | |
| parent | 291d0e5d81e101392379217b06251fe8c27f1f80 (diff) | |
perf/core: Fix perf_pmu_unregister() locking
When we unregister a PMU, we fail to serialize the @pmu_idr properly.
Fix that by doing the entire thing under pmu_lock.
Signed-off-by: Peter Zijlstra (Intel) <peterz@infradead.org>
Cc: Alexander Shishkin <alexander.shishkin@linux.intel.com>
Cc: Arnaldo Carvalho de Melo <acme@redhat.com>
Cc: Jiri Olsa <jolsa@redhat.com>
Cc: Linus Torvalds <torvalds@linux-foundation.org>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: Stephane Eranian <eranian@google.com>
Cc: Thomas Gleixner <tglx@linutronix.de>
Cc: Vince Weaver <vincent.weaver@maine.edu>
Fixes: 2e80a82a49c4 ("perf: Dynamic pmu types")
Signed-off-by: Ingo Molnar <mingo@kernel.org>
Diffstat (limited to 'lib/test_module.c')
0 files changed, 0 insertions, 0 deletions