From: Tim Blechmann <tim@klingt.org>
Date: Tue, 24 Nov 2009 10:55:15 +0000 (+0100)
Subject: sched, x86: Optimize branch hint in __switch_to()
X-Git-Tag: v2.6.33-rc1~398^2~11
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=a3a1de0c34de6f5f8332cd6151c46af7813c0fcb;p=pandora-kernel.git

sched, x86: Optimize branch hint in __switch_to()

Branch hint profiling on my nehalem machine showed 96%
incorrect branch hints:

  6548732 174664120  96 __switch_to                    process_64.c
    406
  6548745 174565593  96 __switch_to                    process_64.c
    410

Signed-off-by: Tim Blechmann <tim@klingt.org>
Cc: Peter Zijlstra <a.p.zijlstra@chello.nl>
Cc: Mike Galbraith <efault@gmx.de>
Cc: Paul Mackerras <paulus@samba.org>
Cc: Arnaldo Carvalho de Melo <acme@redhat.com>
Cc: Frederic Weisbecker <fweisbec@gmail.com>
LKML-Reference: <4B0BBB93.3080307@klingt.org>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
---

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