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author | Thomas Gleixner <tglx@linutronix.de> | 2013-07-04 23:11:22 +0200 |
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committer | Thomas Gleixner <tglx@linutronix.de> | 2013-07-04 23:11:22 +0200 |
commit | 2b0f89317e99735bbf32eaede81f707f98ab1b5e (patch) | |
tree | 16daa236e21876b11f1c0b9256cd4046aadba020 /kernel/time/timekeeping.c | |
parent | tick: Sanitize broadcast control logic (diff) | |
parent | posix-cpu-timers: don't account cpu timer after stopped thread runtime accoun... (diff) | |
download | linux-2b0f89317e99735bbf32eaede81f707f98ab1b5e.tar.xz linux-2b0f89317e99735bbf32eaede81f707f98ab1b5e.zip |
Merge branch 'timers/posix-cpu-timers-for-tglx' of
git://git.kernel.org/pub/scm/linux/kernel/git/frederic/linux-dynticks into timers/core
Frederic sayed: "Most of these patches have been hanging around for
several month now, in -mmotm for a significant chunk. They already
missed a few releases."
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Diffstat (limited to 'kernel/time/timekeeping.c')
-rw-r--r-- | kernel/time/timekeeping.c | 8 |
1 files changed, 8 insertions, 0 deletions
diff --git a/kernel/time/timekeeping.c b/kernel/time/timekeeping.c index 846d0a1f235e..48b9fffabdc2 100644 --- a/kernel/time/timekeeping.c +++ b/kernel/time/timekeeping.c @@ -991,6 +991,14 @@ static int timekeeping_suspend(void) read_persistent_clock(&timekeeping_suspend_time); + /* + * On some systems the persistent_clock can not be detected at + * timekeeping_init by its return value, so if we see a valid + * value returned, update the persistent_clock_exists flag. + */ + if (timekeeping_suspend_time.tv_sec || timekeeping_suspend_time.tv_nsec) + persistent_clock_exist = true; + raw_spin_lock_irqsave(&timekeeper_lock, flags); write_seqcount_begin(&timekeeper_seq); timekeeping_forward_now(tk); |