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| author | Peter Zijlstra <[email protected]> | 2015-08-04 17:22:49 +0000 |
|---|---|---|
| committer | Ingo Molnar <[email protected]> | 2015-08-12 09:37:22 +0000 |
| commit | c7999c6f3fed9e383d3131474588f282ae6d56b9 (patch) | |
| tree | ecd84ef16259aedf4343b5b908eec40953c696d8 /tools/perf/scripts/python/syscall-counts-by-pid.py | |
| parent | perf: Fix double-free of the AUX buffer (diff) | |
| download | kernel-c7999c6f3fed9e383d3131474588f282ae6d56b9.tar.gz kernel-c7999c6f3fed9e383d3131474588f282ae6d56b9.zip | |
perf: Fix PERF_EVENT_IOC_PERIOD migration race
I ran the perf fuzzer, which triggered some WARN()s which are due to
trying to stop/restart an event on the wrong CPU.
Use the normal IPI pattern to ensure we run the code on the correct CPU.
Signed-off-by: Peter Zijlstra (Intel) <[email protected]>
Cc: Vince Weaver <[email protected]>
Cc: Linus Torvalds <[email protected]>
Cc: Peter Zijlstra <[email protected]>
Cc: Thomas Gleixner <[email protected]>
Fixes: bad7192b842c ("perf: Fix PERF_EVENT_IOC_PERIOD to force-reset the period")
Signed-off-by: Ingo Molnar <[email protected]>
Diffstat (limited to 'tools/perf/scripts/python/syscall-counts-by-pid.py')
0 files changed, 0 insertions, 0 deletions