From: Frederic Weisbecker <fweisbec@gmail.com>
Date: Thu, 11 Jul 2013 17:42:13 +0000 (+0200)
Subject: context_tracking: Optimize context switch off case with static keys
X-Git-Tag: v3.12-rc1~159^2~1^2~13
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=73d424f9af7b571276e6284617cb59726d47bf12;p=pandora-kernel.git

context_tracking: Optimize context switch off case with static keys

No need for syscall slowpath if no CPU is full dynticks,
rather nop this in this case.

Signed-off-by: Frederic Weisbecker <fweisbec@gmail.com>
Cc: Steven Rostedt <rostedt@goodmis.org>
Cc: Paul E. McKenney <paulmck@linux.vnet.ibm.com>
Cc: Ingo Molnar <mingo@kernel.org>
Cc: Thomas Gleixner <tglx@linutronix.de>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: Borislav Petkov <bp@alien8.de>
Cc: Li Zhong <zhong@linux.vnet.ibm.com>
Cc: Mike Galbraith <efault@gmx.de>
Cc: Kevin Hilman <khilman@linaro.org>
---

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