Alexander Shishkin 5bce9db189 perf/core: Explain perf_sched_mutex ... To clarify why atomic_inc_return(&perf_sched_events) is not sufficient and a mutex is needed to order static branch enabling vs the atomic counter increment, this adds a comment with a short explanation. Signed-off-by: Alexander Shishkin <alexander.shishkin@linux.intel.com> Signed-off-by: Peter Zijlstra (Intel) <peterz@infradead.org> Cc: Linus Torvalds <torvalds@linux-foundation.org> Cc: Peter Zijlstra <peterz@infradead.org> Cc: Thomas Gleixner <tglx@linutronix.de> Link: http://lkml.kernel.org/r/20170829140103.6563-1-alexander.shishkin@linux.intel.com Signed-off-by: Ingo Molnar <mingo@kernel.org>		2017-09-29 13:28:30 +02:00
..
callchain.c	perf/callchain: Force USER_DS when invoking perf_callchain_user()	2017-05-10 07:54:00 +02:00
core.c	perf/core: Explain perf_sched_mutex	2017-09-29 13:28:30 +02:00
hw_breakpoint.c
internal.h	tracing, perf: Adjust code layout in get_recursion_context()	2017-08-25 11:04:18 +02:00
Makefile
ring_buffer.c	perf/aux: Only update ->aux_wakeup in non-overwrite mode	2017-09-29 10:06:45 +02:00
uprobes.c	mm, uprobes: fix multiple free of ->uprobes_state.xol_area	2017-08-31 16:33:15 -07:00