From: Thomas Gleixner <tglx@linutronix.de>
Date: Wed, 20 Jan 2010 20:58:57 +0000 (+0000)
Subject: sched: Extend enqueue_task to allow head queueing
X-Git-Tag: v2.6.34-rc1~260^2~13
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=ea87bb7853168434f4a82426dd1ea8421f9e604d;p=pandora-kernel.git

sched: Extend enqueue_task to allow head queueing

The ability of enqueueing a task to the head of a SCHED_FIFO priority
list is required to fix some violations of POSIX scheduling policy.

Extend the related functions with a "head" argument.

Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Acked-by: Peter Zijlstra <peterz@infradead.org>
Tested-by: Carsten Emde <cbe@osadl.org>
Tested-by: Mathias Weber <mathias.weber.mw1@roche.com>
LKML-Reference: <20100120171629.734886007@linutronix.de>
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