| commit | 37bb6cb4097e29ffee970065b74499cbf10603a3 | |
| author | Peter Zijlstra <a.p.zijlstra@chello.nl> | |
| Fri, 25 Jan 2008 20:08:32 +0000 (25 21:08 +0100) | ||
| committer | Ingo Molnar <mingo@elte.hu> | |
| Fri, 25 Jan 2008 20:08:32 +0000 (25 21:08 +0100) | ||
| tree | 406de8e53a02244d9f8998bf5e583d3923b4e5c0 | treesnapshot (tar.gz zip) |
| parent | d3d74453c34f8fd87674a8cf5b8a327c68f22e99 | commitdiff |
hrtimer: unlock hrtimer_wakeup
hrtimer_wakeup creates a
base->lock
rq->lock
lock dependancy. Avoid this by switching to HRTIMER_CB_IRQSAFE_NO_SOFTIRQ
which doesn't hold base->lock.
This fully untangles hrtimer locks from the scheduler locks, and allows
hrtimer usage in the scheduler proper.
Signed-off-by: Peter Zijlstra <a.p.zijlstra@chello.nl>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
hrtimer_wakeup creates a
base->lock
rq->lock
lock dependancy. Avoid this by switching to HRTIMER_CB_IRQSAFE_NO_SOFTIRQ
which doesn't hold base->lock.
This fully untangles hrtimer locks from the scheduler locks, and allows
hrtimer usage in the scheduler proper.
Signed-off-by: Peter Zijlstra <a.p.zijlstra@chello.nl>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
| kernel/hrtimer.c | diffblobblamehistory |