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author | Linus Torvalds <torvalds@linux-foundation.org> | 2010-02-16 04:52:12 +0100 |
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committer | Linus Torvalds <torvalds@linux-foundation.org> | 2010-02-16 04:52:12 +0100 |
commit | 7d0bab9dfecb3717f7e704b60a9f11631cb6636e (patch) | |
tree | 57d23b51502649499784fcf3741091f40b366bda | |
parent | Merge branch 'reiserfs/kill-bkl' of git://git.kernel.org/pub/scm/linux/kernel... (diff) | |
parent | hrtimer, softirq: Fix hrtimer->softirq trampoline (diff) | |
download | linux-7d0bab9dfecb3717f7e704b60a9f11631cb6636e.tar.xz linux-7d0bab9dfecb3717f7e704b60a9f11631cb6636e.zip |
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
-rw-r--r-- | kernel/softirq.c | 15 |
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); */ /* - * The trampoline is called when the hrtimer expires. If this is - * called from the hrtimer interrupt then we schedule the tasklet as - * the timer callback function expects to run in softirq context. If - * it's called in softirq context anyway (i.e. high resolution timers - * disabled) then the hrtimer callback is called right away. + * The trampoline is called when the hrtimer expires. It schedules a tasklet + * to run __tasklet_hrtimer_trampoline() which in turn will call the intended + * hrtimer callback, but from softirq context. */ static enum hrtimer_restart __hrtimer_tasklet_trampoline(struct hrtimer *timer) { struct tasklet_hrtimer *ttimer = container_of(timer, struct tasklet_hrtimer, timer); - if (hrtimer_is_hres_active(timer)) { - tasklet_hi_schedule(&ttimer->tasklet); - return HRTIMER_NORESTART; - } - return ttimer->function(timer); + tasklet_hi_schedule(&ttimer->tasklet); + return HRTIMER_NORESTART; } /* |