Commit-ID: 4e8f8b34b92b6514cc070aeb94d317cadd5071d7 Gitweb: http://git.kernel.org/tip/4e8f8b34b92b6514cc070aeb94d317cadd5071d7 Author: John Stultz <john.stu...@linaro.org> AuthorDate: Wed, 10 Apr 2013 12:41:49 -0700 Committer: Thomas Gleixner <t...@linutronix.de> CommitDate: Thu, 11 Apr 2013 10:19:44 +0200
timekeeping: Make sure to notify hrtimers when TAI offset changes Now that we have CLOCK_TAI timers, make sure we notify hrtimer code when TAI offset is changed. Signed-off-by: John Stultz <john.stu...@linaro.org> Link: http://lkml.kernel.org/r/1365622909-953-1-git-send-email-john.stu...@linaro.org Signed-off-by: Thomas Gleixner <t...@linutronix.de> --- kernel/time/timekeeping.c | 10 +++++++--- 1 file changed, 7 insertions(+), 3 deletions(-) diff --git a/kernel/time/timekeeping.c b/kernel/time/timekeeping.c index c4d2a87..675f720 100644 --- a/kernel/time/timekeeping.c +++ b/kernel/time/timekeeping.c @@ -607,6 +607,7 @@ void timekeeping_set_tai_offset(s32 tai_offset) __timekeeping_set_tai_offset(tk, tai_offset); write_seqcount_end(&timekeeper_seq); raw_spin_unlock_irqrestore(&timekeeper_lock, flags); + clock_was_set(); } /** @@ -1639,7 +1640,7 @@ int do_adjtimex(struct timex *txc) struct timekeeper *tk = &timekeeper; unsigned long flags; struct timespec ts; - s32 tai; + s32 orig_tai, tai; int ret; /* Validate the data before disabling interrupts */ @@ -1663,10 +1664,13 @@ int do_adjtimex(struct timex *txc) raw_spin_lock_irqsave(&timekeeper_lock, flags); write_seqcount_begin(&timekeeper_seq); - tai = tk->tai_offset; + orig_tai = tai = tk->tai_offset; ret = __do_adjtimex(txc, &ts, &tai); - __timekeeping_set_tai_offset(tk, tai); + if (tai != orig_tai) { + __timekeeping_set_tai_offset(tk, tai); + clock_was_set_delayed(); + } write_seqcount_end(&timekeeper_seq); raw_spin_unlock_irqrestore(&timekeeper_lock, flags); -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majord...@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
