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hrtimers: Avoid touching inactive timer bases

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Instead of iterating over all possible timer bases avoid it by marking
the active bases in the cpu base.

Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Reviewed-by: Peter Zijlstra <peterz@infradead.org>
This commit is contained in:
Thomas Gleixner 2011-05-20 13:05:15 +02:00
parent f24444b01b
commit ab8177bc53
6 changed files with 29 additions and 19 deletions
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2
kernel/posix-timers.c
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@ -1056,7 +1056,7 @@ SYSCALL_DEFINE4(clock_nanosleep, const clockid_t, which_clock, int, flags,
*/
long clock_nanosleep_restart(struct restart_block *restart_block)
{
clockid_t which_clock = restart_block->nanosleep.index;
clockid_t which_clock = restart_block->nanosleep.clockid;
struct k_clock *kc = clockid_to_kclock(which_clock);
if (WARN_ON_ONCE(!kc || !kc->nsleep_restart))