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authorFrederic Weisbecker <fweisbec@gmail.com>2010-02-27 10:18:46 -0500
committerFrederic Weisbecker <fweisbec@gmail.com>2010-02-27 10:18:46 -0500
commit018cbffe6819f6f8db20a0a3acd9bab9bfd667e4 (patch)
treefadde2521591998dc653fa094c636e8a547e620d /kernel/softirq.c
parent1dd2980d990068e20045b90c424518cc7f3657ff (diff)
parent60b341b778cc2929df16c0a504c91621b3c6a4ad (diff)
Merge commit 'v2.6.33' into perf/core
Merge reason: __percpu annotations need the corresponding sparse address space definition upstream. Conflicts: tools/perf/util/probe-event.c (trivial)
Diffstat (limited to 'kernel/softirq.c')
-rw-r--r--kernel/softirq.c15
1 files changed, 5 insertions, 10 deletions
diff --git a/kernel/softirq.c b/kernel/softirq.c
index a09502e2ef75..7c1a67ef0274 100644
--- a/kernel/softirq.c
+++ b/kernel/softirq.c
@@ -500,22 +500,17 @@ EXPORT_SYMBOL(tasklet_kill);
500 */ 500 */
501 501
502/* 502/*
503 * The trampoline is called when the hrtimer expires. If this is 503 * The trampoline is called when the hrtimer expires. It schedules a tasklet
504 * called from the hrtimer interrupt then we schedule the tasklet as 504 * to run __tasklet_hrtimer_trampoline() which in turn will call the intended
505 * the timer callback function expects to run in softirq context. If 505 * hrtimer callback, but from softirq context.
506 * it's called in softirq context anyway (i.e. high resolution timers
507 * disabled) then the hrtimer callback is called right away.
508 */ 506 */
509static enum hrtimer_restart __hrtimer_tasklet_trampoline(struct hrtimer *timer) 507static enum hrtimer_restart __hrtimer_tasklet_trampoline(struct hrtimer *timer)
510{ 508{
511 struct tasklet_hrtimer *ttimer = 509 struct tasklet_hrtimer *ttimer =
512 container_of(timer, struct tasklet_hrtimer, timer); 510 container_of(timer, struct tasklet_hrtimer, timer);
513 511
514 if (hrtimer_is_hres_active(timer)) { 512 tasklet_hi_schedule(&ttimer->tasklet);
515 tasklet_hi_schedule(&ttimer->tasklet); 513 return HRTIMER_NORESTART;
516 return HRTIMER_NORESTART;
517 }
518 return ttimer->function(timer);
519} 514}
520 515
521/* 516/*