aboutsummaryrefslogtreecommitdiffstats
path: root/kernel
diff options
context:
space:
mode:
authorLinus Torvalds <torvalds@linux-foundation.org>2010-02-15 22:52:12 -0500
committerLinus Torvalds <torvalds@linux-foundation.org>2010-02-15 22:52:12 -0500
commit7d0bab9dfecb3717f7e704b60a9f11631cb6636e (patch)
tree57d23b51502649499784fcf3741091f40b366bda /kernel
parent0aa2ca9ae1e08d11661abb00ae6e75ff885448d6 (diff)
parentb9c3032277f756e73f6c673419dc414155e04e46 (diff)
Merge branch 'timers-fixes-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/linux-2.6-tip
* 'timers-fixes-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/linux-2.6-tip: hrtimer, softirq: Fix hrtimer->softirq trampoline
Diffstat (limited to 'kernel')
-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/*