linux-kernel - [PATCH] sched: Optimize branch hint in context

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Message-ID: <4B1262AC.8000903@klingt.org>
Date:	Sun, 29 Nov 2009 13:01:48 +0100
From:	Tim Blechmann <tim@...ngt.org>
To:	Peter Zijlstra <a.p.zijlstra@...llo.nl>,
	linux-kernel@...r.kernel.org,
	Peter Zijlstra <peterz@...radead.org>,
	Ingo Molnar <mingo@...e.hu>,
	Thomas Gleixner <tglx@...utronix.de>
Subject: [PATCH] sched: Optimize branch hint in context_switch()


Branch hint profiling on my nehalem machine showed 88%
incorrect branch hints:

42017484 326957902  88 context_switch                 sched.c              3043
42038493 326953687  88 context_switch                 sched.c              3050

Signed-off-by: Tim Blechmann <tim@...ngt.org>
---
 kernel/sched.c |    4 ++--
 1 files changed, 2 insertions(+), 2 deletions(-)



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