From: Martin Schwidefsky <schwidefsky@de.ibm.com>
Date: Fri, 14 Aug 2009 13:47:31 +0000 (+0200)
Subject: timekeeping: Increase granularity of read_persistent_clock()
X-Git-Tag: v2.6.32-rc1~168^2~15
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=d4f587c67fc39e0030ddd718675e252e208da4d7;p=pandora-kernel.git

timekeeping: Increase granularity of read_persistent_clock()

The persistent clock of some architectures (e.g. s390) have a
better granularity than seconds. To reduce the delta between the
host clock and the guest clock in a virtualized system change the
read_persistent_clock function to return a struct timespec.

Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com>
Cc: Ingo Molnar <mingo@elte.hu>
Acked-by: John Stultz <johnstul@us.ibm.com>
Cc: Daniel Walker <dwalker@fifo99.com>
LKML-Reference: <20090814134811.013873340@de.ibm.com>
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
---

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