From: Peter Zijlstra <peterz@infradead.org>
Date: Mon, 7 Oct 2013 15:12:48 +0000 (+0200)
Subject: perf: Fix the perf context switch optimization
X-Git-Tag: omap-for-v3.13/fixes-for-merge-window-take2~41^2~18
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=5a3126d4fe7c311fe12f98fef0470f6cb582d1ef;p=pandora-kernel.git

perf: Fix the perf context switch optimization

Currently we only optimize the context switch between two
contexts that have the same parent; this forgoes the
optimization between parent and child context, even though these
contexts could be equivalent too.

Signed-off-by: Peter Zijlstra <peterz@infradead.org>
Cc: Frederic Weisbecker <fweisbec@gmail.com>
Cc: Adrian Hunter <adrian.hunter@intel.com>
Cc: Shishkin, Alexander <alexander.shishkin@intel.com>
Link: http://lkml.kernel.org/r/20131007164257.GH3081@twins.programming.kicks-ass.net
Signed-off-by: Ingo Molnar <mingo@kernel.org>
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