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authorJohn Stultz <john.stultz@linaro.org>2015-06-11 15:54:53 -0700
committerThomas Gleixner <tglx@linutronix.de>2015-06-12 10:56:20 +0200
commitd151832650ed98961a5650e73e85c349ad7839cb (patch)
treee21e07316e96f27af8c99cc57b59ff40725b004f /block/compat_ioctl.c
parent45bbfe64ea564a69e56ab6754006eee506224f46 (diff)
time: Move clock_was_set_seq update before updating shadow-timekeeper
It was reported that 868a3e915f7f5eba (hrtimer: Make offset update smarter) was causing timer problems after suspend/resume. The problem with that change is the modification to clock_was_set_seq in timekeeping_update is done prior to mirroring the time state to the shadow-timekeeper. Thus the next time we do update_wall_time() the updated sequence is overwritten by whats in the shadow copy. This patch moves the shadow-timekeeper mirroring to the end of the function, after all updates have been made, so all data is kept in sync. (This patch also affects the update_fast_timekeeper calls which were also problematically done prior to the mirroring). Reported-and-tested-by: Jeremiah Mahler <jmmahler@gmail.com> Signed-off-by: John Stultz <john.stultz@linaro.org> Cc: Preeti U Murthy <preeti@linux.vnet.ibm.com> Cc: Peter Zijlstra <peterz@infradead.org> Cc: Viresh Kumar <viresh.kumar@linaro.org> Cc: Marcelo Tosatti <mtosatti@redhat.com> Cc: Frederic Weisbecker <fweisbec@gmail.com> Link: http://lkml.kernel.org/r/1434063297-28657-2-git-send-email-john.stultz@linaro.org Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Diffstat (limited to 'block/compat_ioctl.c')
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