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| author | Thomas Gleixner <tglx@linutronix.de> | 2009-07-25 17:50:36 +0200 |
|---|---|---|
| committer | Ingo Molnar <mingo@elte.hu> | 2011-09-13 11:11:54 +0200 |
| commit | 07354eb1a74d1e1ece29f8bafe0b46e8c77a95ef (patch) | |
| tree | 4e2370ce5a6eb5eccc20d89dcfca44cc0dafbfa6 /include | |
| parent | 5389f6fad27019f2ba78f1b332f719ec05f12a42 (diff) | |
| download | linux-3.10-07354eb1a74d1e1ece29f8bafe0b46e8c77a95ef.tar.gz linux-3.10-07354eb1a74d1e1ece29f8bafe0b46e8c77a95ef.tar.bz2 linux-3.10-07354eb1a74d1e1ece29f8bafe0b46e8c77a95ef.zip | |
locking, printk: Annotate logbuf_lock as raw
The logbuf_lock lock can be taken in atomic context and therefore
cannot be preempted on -rt - annotate it.
In mainline this change documents the low level nature of
the lock - otherwise there's no functional difference. Lockdep
and Sparse checking will work as usual.
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
[ merged and fixed it ]
Signed-off-by: Ingo Molnar <mingo@elte.hu>
Diffstat (limited to 'include')
| -rw-r--r-- | include/linux/ratelimit.h | 6 |
1 files changed, 3 insertions, 3 deletions
diff --git a/include/linux/ratelimit.h b/include/linux/ratelimit.h index 2f007157fab..e11ccb4cf48 100644 --- a/include/linux/ratelimit.h +++ b/include/linux/ratelimit.h @@ -8,7 +8,7 @@ #define DEFAULT_RATELIMIT_BURST 10 struct ratelimit_state { - spinlock_t lock; /* protect the state */ + raw_spinlock_t lock; /* protect the state */ int interval; int burst; @@ -20,7 +20,7 @@ struct ratelimit_state { #define DEFINE_RATELIMIT_STATE(name, interval_init, burst_init) \ \ struct ratelimit_state name = { \ - .lock = __SPIN_LOCK_UNLOCKED(name.lock), \ + .lock = __RAW_SPIN_LOCK_UNLOCKED(name.lock), \ .interval = interval_init, \ .burst = burst_init, \ } @@ -28,7 +28,7 @@ struct ratelimit_state { static inline void ratelimit_state_init(struct ratelimit_state *rs, int interval, int burst) { - spin_lock_init(&rs->lock); + raw_spin_lock_init(&rs->lock); rs->interval = interval; rs->burst = burst; rs->printed = 0; |