diff options
| author | Ingo Molnar | 2006-07-03 00:25:11 -0700 |
|---|---|---|
| committer | Linus Torvalds | 2006-07-03 15:27:07 -0700 |
| commit | 543655244866b8ec648fea1eb9c32a35ffba5721 (patch) | |
| tree | 7c1dd5b588e7b809648d75f680f2bfa5f94be782 | |
| parent | fcb993712f231a4faea8393513d1276170679107 (diff) | |
[PATCH] lockdep: annotate hrtimer base locks
Teach special (recursive) locking code to the lock validator. Has no effect
on non-lockdep kernels.
Signed-off-by: Ingo Molnar <mingo@elte.hu>
Signed-off-by: Arjan van de Ven <arjan@linux.intel.com>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
| -rw-r--r-- | include/linux/hrtimer.h | 1 | ||||
| -rw-r--r-- | kernel/hrtimer.c | 4 |
2 files changed, 4 insertions, 1 deletions
diff --git a/include/linux/hrtimer.h b/include/linux/hrtimer.h index 07d7305f131e..e4bccbcc2750 100644 --- a/include/linux/hrtimer.h +++ b/include/linux/hrtimer.h @@ -91,6 +91,7 @@ struct hrtimer_base { ktime_t (*get_softirq_time)(void); struct hrtimer *curr_timer; ktime_t softirq_time; + struct lock_class_key lock_key; }; /* diff --git a/kernel/hrtimer.c b/kernel/hrtimer.c index 8d3dc29ef41a..617304ce67db 100644 --- a/kernel/hrtimer.c +++ b/kernel/hrtimer.c @@ -782,8 +782,10 @@ static void __devinit init_hrtimers_cpu(int cpu) struct hrtimer_base *base = per_cpu(hrtimer_bases, cpu); int i; - for (i = 0; i < MAX_HRTIMER_BASES; i++, base++) + for (i = 0; i < MAX_HRTIMER_BASES; i++, base++) { spin_lock_init(&base->lock); + lockdep_set_class(&base->lock, &base->lock_key); + } } #ifdef CONFIG_HOTPLUG_CPU |