From: Thomas Gleixner <tglx@linutronix.de>
Date: Thu, 21 Feb 2013 22:51:40 +0000 (+0000)
Subject: timekeeping: Implement a shadow timekeeper
X-Git-Tag: omap-for-v3.10/dt-fixes-for-merge-window~116^2~14
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=48cdc135d4840aab8efd2fc3bacb5d7dfd94a9c8;p=pandora-kernel.git

timekeeping: Implement a shadow timekeeper

Use the shadow timekeeper to do the update_wall_time() adjustments and
then copy it over to the real timekeeper.

Keep the shadow timekeeper in sync when updating stuff outside of
update_wall_time().

This allows us to limit the timekeeper_seq hold time to the update of
the real timekeeper and the vsyscall data in the next patch.

Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Signed-off-by: John Stultz <john.stultz@linaro.org>
---

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