From: Thomas Gleixner <tglx@linutronix.de>
Date: Wed, 30 Nov 2011 23:04:00 +0000 (+0100)
Subject: sched/wait: Add __wake_up_all_locked() API
X-Git-Tag: v3.4-rc1~191^2~15
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=63b2001169e75cd71e917ec953fdab572e3f944a;p=pandora-kernel.git

sched/wait: Add __wake_up_all_locked() API

For code which protects the waitqueue itself with another lock it
makes no sense to acquire the waitqueue lock for wakeup all. Provide
__wake_up_all_locked().

This is an optimization on the vanilla kernel (to be used by the
PCI code) and an important semantic distinction on -rt.

Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Acked-by: Peter Zijlstra <a.p.zijlstra@chello.nl>
Link: http://lkml.kernel.org/n/tip-ux6m4b8jonb9inx8xafh77ds@git.kernel.org
Signed-off-by: Ingo Molnar <mingo@elte.hu>
---

Reading git-diff-tree failed