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| author | Thomas Gleixner <tglx@linutronix.de> | 2011-05-20 13:05:15 +0200 |
|---|---|---|
| committer | Thomas Gleixner <tglx@linutronix.de> | 2011-05-23 13:59:54 +0200 |
| commit | ab8177bc53e8ae3a3ba6d200ce2c2dae263f7ee5 (patch) | |
| tree | c8b370496497b4f96d6a17da906bdd9314e9a090 /include | |
| parent | f24444b01bf6c51c300fd3ffc73423383d747882 (diff) | |
| download | linux-stable-ab8177bc53e8ae3a3ba6d200ce2c2dae263f7ee5.tar.gz linux-stable-ab8177bc53e8ae3a3ba6d200ce2c2dae263f7ee5.tar.bz2 linux-stable-ab8177bc53e8ae3a3ba6d200ce2c2dae263f7ee5.zip | |
hrtimers: Avoid touching inactive timer bases
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>
Diffstat (limited to 'include')
| -rw-r--r-- | include/linux/hrtimer.h | 7 | ||||
| -rw-r--r-- | include/linux/thread_info.h | 2 |
2 files changed, 6 insertions, 3 deletions
diff --git a/include/linux/hrtimer.h b/include/linux/hrtimer.h index cc5f5f51db10..771c95802edc 100644 --- a/include/linux/hrtimer.h +++ b/include/linux/hrtimer.h @@ -143,7 +143,8 @@ struct hrtimer_sleeper { */ struct hrtimer_clock_base { struct hrtimer_cpu_base *cpu_base; - clockid_t index; + int index; + clockid_t clockid; struct timerqueue_head active; ktime_t resolution; ktime_t (*get_time)(void); @@ -162,7 +163,7 @@ enum hrtimer_base_type { * struct hrtimer_cpu_base - the per cpu clock bases * @lock: lock protecting the base and associated clock bases * and timers - * @clock_base: array of clock bases for this cpu + * @active_bases: Bitfield to mark bases with active timers * @expires_next: absolute time of the next event which was scheduled * via clock_set_next_event() * @hres_active: State of high resolution mode @@ -171,9 +172,11 @@ enum hrtimer_base_type { * @nr_retries: Total number of hrtimer interrupt retries * @nr_hangs: Total number of hrtimer interrupt hangs * @max_hang_time: Maximum time spent in hrtimer_interrupt + * @clock_base: array of clock bases for this cpu */ struct hrtimer_cpu_base { raw_spinlock_t lock; + unsigned long active_bases; #ifdef CONFIG_HIGH_RES_TIMERS ktime_t expires_next; int hres_active; diff --git a/include/linux/thread_info.h b/include/linux/thread_info.h index 20fc303947d3..8d03f079688c 100644 --- a/include/linux/thread_info.h +++ b/include/linux/thread_info.h @@ -29,7 +29,7 @@ struct restart_block { } futex; /* For nanosleep */ struct { - clockid_t index; + clockid_t clockid; struct timespec __user *rmtp; #ifdef CONFIG_COMPAT struct compat_timespec __user *compat_rmtp; |