tree 38d758819c41261275c2dbd6f64976f824c5fd27
parent f67218c3e93abaf0f480bb94b53d234853ffe4de
author Peter Zijlstra <a.p.zijlstra@chello.nl> 1258972649 +0100
committer Ingo Molnar <mingo@elte.hu> 1258973397 +0100

perf_events: Undo some recursion damage

Make perf_swevent_get_recursion_context return a context number
and disable preemption.

This could be used to remove the IRQ disable from the trace bit
and index the per-cpu buffer with.

Signed-off-by: Peter Zijlstra <a.p.zijlstra@chello.nl>
Cc: Frederic Weisbecker <fweisbec@gmail.com>
Cc: Paul Mackerras <paulus@samba.org>
LKML-Reference: <20091123103819.993226816@chello.nl>
Signed-off-by: Ingo Molnar <mingo@elte.hu>