mirror-linux/kernel/events
Peter Zijlstra c7999c6f3f 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) <peterz@infradead.org>
Cc: Vince Weaver <vincent.weaver@maine.edu>
Cc: Linus Torvalds <torvalds@linux-foundation.org>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: Thomas Gleixner <tglx@linutronix.de>
Fixes: bad7192b84 ("perf: Fix PERF_EVENT_IOC_PERIOD to force-reset the period")
Signed-off-by: Ingo Molnar <mingo@kernel.org>
2015-08-12 11:37:22 +02:00
..
Makefile
callchain.c
core.c perf: Fix PERF_EVENT_IOC_PERIOD migration race 2015-08-12 11:37:22 +02:00
hw_breakpoint.c
internal.h
ring_buffer.c
uprobes.c