linux-sg2042/kernel/events
Will Deacon 44b7f4b98d perf events: Fix ring_buffer_wakeup() brown paperbag bug
Commit 10c6db11 ("perf: Fix loss of notification with multi-event")
seems to unconditionally dereference event->rb in the wakeup handler,
this is wrong, there might not be a buffer attached.

Signed-off-by: Will Deacon <will.deacon@arm.com>
Signed-off-by: Peter Zijlstra <a.p.zijlstra@chello.nl>
Link: http://lkml.kernel.org/r/20111213152651.GP20297@mudshark.cambridge.arm.com
[ minor edits ]
Signed-off-by: Ingo Molnar <mingo@elte.hu>
2011-12-14 08:44:53 +01:00
..
Makefile perf: Split up buffer handling from core code 2011-06-09 12:57:54 +02:00
core.c perf events: Fix ring_buffer_wakeup() brown paperbag bug 2011-12-14 08:44:53 +01:00
hw_breakpoint.c perf: Add context field to perf_event 2011-07-01 11:06:38 +02:00
internal.h perf: Fix loss of notification with multi-event 2011-12-05 09:33:03 +01:00
ring_buffer.c perf: Fix loss of notification with multi-event 2011-12-05 09:33:03 +01:00