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| author | Ingo Molnar <mingo@elte.hu> | 2009-07-03 08:30:03 -0500 |
|---|---|---|
| committer | Thomas Gleixner <tglx@linutronix.de> | 2009-07-29 23:30:37 +0200 |
| commit | 0a930ce98838ed0a03530fd4960eb3423c9b55bc (patch) | |
| tree | 660e743d49ecbb04a6bd08b577720b86de327f7d /lib | |
| parent | 42cd561b099de734b16c92b7e29f418f0d62daad (diff) | |
| download | lwn-0a930ce98838ed0a03530fd4960eb3423c9b55bc.tar.gz lwn-0a930ce98838ed0a03530fd4960eb3423c9b55bc.zip | |
sched: preempt-rt support
Signed-off-by: Ingo Molnar <mingo@elte.hu>
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Diffstat (limited to 'lib')
| -rw-r--r-- | lib/kernel_lock.c | 4 |
1 files changed, 2 insertions, 2 deletions
diff --git a/lib/kernel_lock.c b/lib/kernel_lock.c index 7e2ad7bd4223..54625bec6fb9 100644 --- a/lib/kernel_lock.c +++ b/lib/kernel_lock.c @@ -41,15 +41,15 @@ int __lockfunc __reacquire_kernel_lock(void) struct task_struct *task = current; int saved_lock_depth = task->lock_depth; + local_irq_enable(); BUG_ON(saved_lock_depth < 0); task->lock_depth = -1; - __preempt_enable_no_resched(); down(&kernel_sem); - preempt_disable(); task->lock_depth = saved_lock_depth; + local_irq_enable(); return 0; } |