From: Peter Zijlstra <a.p.zijlstra@chello.nl>
Date: Mon, 23 Nov 2009 10:37:29 +0000 (+0100)
Subject: perf_events: Undo some recursion damage
X-Git-Tag: v2.6.33-rc1~399^2~100
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=4ed7c92d68a5387ba5f7030dc76eab03558e27f5;p=pandora-kernel.git

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>
---

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