timekeeping: Fix CLOCK_TAI timer/nanosleep delays

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A think-o in the calculation of the monotonic -> tai time offset
results in CLOCK_TAI timers and nanosleeps to expire late (the
latency is ~2x the tai offset).

Fix this by adding the tai offset from the realtime offset instead
of subtracting.

Cc: Sasha Levin <sasha.levin@oracle.com>
Cc: Thomas Gleixner <tglx@linutronix.de>
Cc: Prarit Bhargava <prarit@redhat.com>
Cc: Richard Cochran <richardcochran@gmail.com>
Cc: Ingo Molnar <mingo@kernel.org>
Cc: stable <stable@vger.kernel.org> #3.10+
Signed-off-by: John Stultz <john.stultz@linaro.org>

...

This commit is contained in:

John Stultz 2013-12-10 17:13:35 -08:00

parent 47a1b79630

commit 04005f6011

1 changed files with 2 additions and 2 deletions

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kernel/time/timekeeping.c

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