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ia64: vsyscall: Use seqcount instead of seqlock
authorThomas Gleixner <tglx@linutronix.de>
Tue, 28 Feb 2012 19:46:05 +0000 (19:46 +0000)
committerJohn Stultz <john.stultz@linaro.org>
Fri, 16 Mar 2012 01:17:59 +0000 (18:17 -0700)
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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