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Merge branch 'sched-fixes-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/linux-2.6-tip 

* 'sched-fixes-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/linux-2.6-tip:
  sched_clock: prevent scd->clock from moving backwards
hifive-unleashed-5.1
Linus Torvalds 2008-10-16 15:38:48 -07:00
parent 6bb7a93548 5b16a2212f
commit 8cde1ad668
1 changed files with 3 additions and 3 deletions
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6
kernel/sched_clock.c
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@ -118,13 +118,13 @@ static u64 __update_sched_clock(struct sched_clock_data *scd, u64 now)
/*
* scd->clock = clamp(scd->tick_gtod + delta,
* max(scd->tick_gtod, scd->clock),
* scd->tick_gtod + TICK_NSEC);
* max(scd->tick_gtod, scd->clock),
* max(scd->clock, scd->tick_gtod + TICK_NSEC));
*/
clock = scd->tick_gtod + delta;
min_clock = wrap_max(scd->tick_gtod, scd->clock);
max_clock = scd->tick_gtod + TICK_NSEC;
max_clock = wrap_max(scd->clock, scd->tick_gtod + TICK_NSEC);
clock = wrap_max(clock, min_clock);
clock = wrap_min(clock, max_clock);