From: Peter Zijlstra <peterz@infradead.org>
Date: Wed, 14 Aug 2013 12:51:00 +0000 (+0200)
Subject: sched, x86: Optimize the preempt_schedule() call
X-Git-Tag: omap-for-v3.13/fixes-for-merge-window-take2~40^2~110
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=1a338ac32ca630f67df25b4a16436cccc314e997;p=pandora-kernel.git

sched, x86: Optimize the preempt_schedule() call

Remove the bloat of the C calling convention out of the
preempt_enable() sites by creating an ASM wrapper which allows us to
do an asm("call ___preempt_schedule") instead.

calling.h bits by Andi Kleen

Suggested-by: Linus Torvalds <torvalds@linux-foundation.org>
Signed-off-by: Peter Zijlstra <peterz@infradead.org>
Link: http://lkml.kernel.org/n/tip-tk7xdi1cvvxewixzke8t8le1@git.kernel.org
[ Fixed build error. ]
Signed-off-by: Ingo Molnar <mingo@kernel.org>
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