diff options
| author | Grant Likely <grant.likely@secretlab.ca> | 2011-10-24 17:03:35 +0200 |
|---|---|---|
| committer | Grant Likely <grant.likely@secretlab.ca> | 2011-10-24 17:03:35 +0200 |
| commit | 2bf6f675fa1a0f80b21aff20e6c21e87d6a7c9c9 (patch) | |
| tree | ef49d741211dcc4f38636b5c422c9c346da09adf /kernel/posix-cpu-timers.c | |
| parent | 5762c20593b6b959f1470dc6f1ff4ca4d9570f8d (diff) | |
| parent | c3b92c8787367a8bb53d57d9789b558f1295cc96 (diff) | |
Merge commit 'v3.1' into devicetree/next
Diffstat (limited to 'kernel/posix-cpu-timers.c')
| -rw-r--r-- | kernel/posix-cpu-timers.c | 7 |
1 files changed, 4 insertions, 3 deletions
diff --git a/kernel/posix-cpu-timers.c b/kernel/posix-cpu-timers.c index c8008dd58ef2..640ded8f5c48 100644 --- a/kernel/posix-cpu-timers.c +++ b/kernel/posix-cpu-timers.c @@ -274,9 +274,7 @@ void thread_group_cputimer(struct task_struct *tsk, struct task_cputime *times) struct task_cputime sum; unsigned long flags; - spin_lock_irqsave(&cputimer->lock, flags); if (!cputimer->running) { - cputimer->running = 1; /* * The POSIX timer interface allows for absolute time expiry * values through the TIMER_ABSTIME flag, therefore we have @@ -284,8 +282,11 @@ void thread_group_cputimer(struct task_struct *tsk, struct task_cputime *times) * it. */ thread_group_cputime(tsk, &sum); + spin_lock_irqsave(&cputimer->lock, flags); + cputimer->running = 1; update_gt_cputime(&cputimer->cputime, &sum); - } + } else + spin_lock_irqsave(&cputimer->lock, flags); *times = cputimer->cputime; spin_unlock_irqrestore(&cputimer->lock, flags); } |