| Subject: sched: Use the proper LOCK_OFFSET for cond_resched() |
| From: Thomas Gleixner <tglx@linutronix.de> |
| Date: Sun, 17 Jul 2011 22:51:33 +0200 |
| |
| RT does not increment preempt count when a 'sleeping' spinlock is |
| locked. Update PREEMPT_LOCK_OFFSET for that case. |
| |
| Signed-off-by: Thomas Gleixner <tglx@linutronix.de> |
| --- |
| include/linux/preempt.h | 4 ++++ |
| 1 file changed, 4 insertions(+) |
| |
| --- a/include/linux/preempt.h |
| +++ b/include/linux/preempt.h |
| @@ -118,7 +118,11 @@ |
| /* |
| * The preempt_count offset after spin_lock() |
| */ |
| +#if !defined(CONFIG_PREEMPT_RT_FULL) |
| #define PREEMPT_LOCK_OFFSET PREEMPT_DISABLE_OFFSET |
| +#else |
| +#define PREEMPT_LOCK_OFFSET 0 |
| +#endif |
| |
| /* |
| * The preempt_count offset needed for things like: |
