From: John Stultz <john.stultz@linaro.org>
Date: Mon, 14 Nov 2011 20:48:10 +0000 (-0800)
Subject: time: Add timekeeper lock
X-Git-Tag: v3.4-rc1~190^2~7^2~6
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=70471f2f061d59375e959b4e7d47ee62121babb1;p=pandora-kernel.git

time: Add timekeeper lock

Now that all the timekeeping variables are stored in
the timekeeper structure, add a new lock to protect the
structure.

For now, this lock nests under the xtime_lock for writes.

For readers, we don't need to take xtime_lock anymore.

CC: Thomas Gleixner <tglx@linutronix.de>
CC: Eric Dumazet <eric.dumazet@gmail.com>
CC: Richard Cochran <richardcochran@gmail.com>
Signed-off-by: John Stultz <john.stultz@linaro.org>
---

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