From: Frederic Weisbecker <fweisbec@gmail.com>
Date: Wed, 10 Jul 2013 00:44:35 +0000 (+0200)
Subject: context_tracking: Optimize guest APIs off case with static key
X-Git-Tag: v3.12-rc1~159^2~1^2~14
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=48d6a816a8bf36e2a197c322697323003bdc1cfe;p=pandora-kernel.git

context_tracking: Optimize guest APIs off case with static key

Optimize guest entry/exit APIs with static keys. This minimize
the overhead for those who enable CONFIG_NO_HZ_FULL without
always using it. Having no range passed to nohz_full= should
result in the probes overhead to be minimized.

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>
---

Reading git-diff-tree failed