From: Thomas Gleixner <tglx@linutronix.de>
Date: Mon, 9 Jun 2014 17:40:34 +0000 (+0200)
Subject: rtmutex: Document pi chain walk
X-Git-Tag: cleanup-for-v3.18~138^2~17
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=3eb65aeadf701976b084e9171e16bb7d1e83fbb0;p=pandora-kernel.git

rtmutex: Document pi chain walk

Add commentry to document the chain walk and the protection mechanisms
and their scope.

Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Reviewed-by: Steven Rostedt <rostedt@goodmis.org>
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