From: Thomas Gleixner <tglx@linutronix.de>
Date: Tue, 28 Feb 2012 19:46:05 +0000 (+0000)
Subject: ia64: vsyscall: Use seqcount instead of seqlock
X-Git-Tag: v3.4-rc1~44^2~12
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=74a622be3db2898251cb524d1edbeaea589f2723;p=pandora-kernel.git

ia64: vsyscall: Use seqcount instead of seqlock

The update of the vdso data happens under xtime_lock, so adding a
nested lock is pointless. Just use a seqcount to sync the readers.

Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Cc: Tony Luck <tony.luck@intel.com>
Signed-off-by: John Stultz <john.stultz@linaro.org>
---

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