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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 /lib/ratelimit.c | |
| parent | 5389f6fad27019f2ba78f1b332f719ec05f12a42 (diff) | |
| download | lwn-07354eb1a74d1e1ece29f8bafe0b46e8c77a95ef.tar.gz lwn-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 'lib/ratelimit.c')
| -rw-r--r-- | lib/ratelimit.c | 4 |
1 files changed, 2 insertions, 2 deletions
diff --git a/lib/ratelimit.c b/lib/ratelimit.c index 027a03f4c56d..c96d500577de 100644 --- a/lib/ratelimit.c +++ b/lib/ratelimit.c @@ -39,7 +39,7 @@ int ___ratelimit(struct ratelimit_state *rs, const char *func) * in addition to the one that will be printed by * the entity that is holding the lock already: */ - if (!spin_trylock_irqsave(&rs->lock, flags)) + if (!raw_spin_trylock_irqsave(&rs->lock, flags)) return 0; if (!rs->begin) @@ -60,7 +60,7 @@ int ___ratelimit(struct ratelimit_state *rs, const char *func) rs->missed++; ret = 0; } - spin_unlock_irqrestore(&rs->lock, flags); + raw_spin_unlock_irqrestore(&rs->lock, flags); return ret; } |