diff options
| author | Linus Torvalds <torvalds@linux-foundation.org> | 2010-02-15 22:52:12 -0500 |
|---|---|---|
| committer | Linus Torvalds <torvalds@linux-foundation.org> | 2010-02-15 22:52:12 -0500 |
| commit | 7d0bab9dfecb3717f7e704b60a9f11631cb6636e (patch) | |
| tree | 57d23b51502649499784fcf3741091f40b366bda | |
| parent | 0aa2ca9ae1e08d11661abb00ae6e75ff885448d6 (diff) | |
| parent | b9c3032277f756e73f6c673419dc414155e04e46 (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
| -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); | |||
| 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 | */ |
| 509 | static enum hrtimer_restart __hrtimer_tasklet_trampoline(struct hrtimer *timer) | 507 | static 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 | /* |
