diff options
| author | Thomas Gleixner <tglx@linutronix.de> | 2009-07-25 16:43:30 +0200 |
|---|---|---|
| committer | Steven Rostedt <rostedt@rostedt.homelinux.com> | 2012-10-08 14:44:23 -0400 |
| commit | 39937fc0f51eabdf0bc1944f6d0add774555b7ce (patch) | |
| tree | 8fb794a40b4b2713c42cd92bd16d3ae1188079ec | |
| parent | b67ca7a6499a027f9fd38eea4e0403dedf0237ec (diff) | |
proportions: Convert to raw_spinlck
Called from atomic contexts. Cannot be converted to sleeping lock on
rt.
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
| -rw-r--r-- | include/linux/proportions.h | 6 | ||||
| -rw-r--r-- | lib/proportions.c | 12 |
2 files changed, 9 insertions, 9 deletions
diff --git a/include/linux/proportions.h b/include/linux/proportions.h index 22653d7c3f8d..26a8a4ed9b07 100644 --- a/include/linux/proportions.h +++ b/include/linux/proportions.h @@ -58,7 +58,7 @@ struct prop_local_percpu { */ int shift; unsigned long period; - spinlock_t lock; /* protect the snapshot state */ + raw_spinlock_t lock; /* protect the snapshot state */ }; int prop_local_init_percpu(struct prop_local_percpu *pl); @@ -110,11 +110,11 @@ struct prop_local_single { */ unsigned long period; int shift; - spinlock_t lock; /* protect the snapshot state */ + raw_spinlock_t lock; /* protect the snapshot state */ }; #define INIT_PROP_LOCAL_SINGLE(name) \ -{ .lock = __SPIN_LOCK_UNLOCKED(name.lock), \ +{ .lock = __RAW_SPIN_LOCK_UNLOCKED(name.lock), \ } int prop_local_init_single(struct prop_local_single *pl); diff --git a/lib/proportions.c b/lib/proportions.c index d50746a79de2..05df84801b56 100644 --- a/lib/proportions.c +++ b/lib/proportions.c @@ -190,7 +190,7 @@ prop_adjust_shift(int *pl_shift, unsigned long *pl_period, int new_shift) int prop_local_init_percpu(struct prop_local_percpu *pl) { - spin_lock_init(&pl->lock); + raw_spin_lock_init(&pl->lock); pl->shift = 0; pl->period = 0; return percpu_counter_init(&pl->events, 0); @@ -226,7 +226,7 @@ void prop_norm_percpu(struct prop_global *pg, struct prop_local_percpu *pl) if (pl->period == global_period) return; - spin_lock_irqsave(&pl->lock, flags); + raw_spin_lock_irqsave(&pl->lock, flags); prop_adjust_shift(&pl->shift, &pl->period, pg->shift); /* @@ -247,7 +247,7 @@ void prop_norm_percpu(struct prop_global *pg, struct prop_local_percpu *pl) percpu_counter_set(&pl->events, 0); pl->period = global_period; - spin_unlock_irqrestore(&pl->lock, flags); + raw_spin_unlock_irqrestore(&pl->lock, flags); } /* @@ -324,7 +324,7 @@ void prop_fraction_percpu(struct prop_descriptor *pd, int prop_local_init_single(struct prop_local_single *pl) { - spin_lock_init(&pl->lock); + raw_spin_lock_init(&pl->lock); pl->shift = 0; pl->period = 0; pl->events = 0; @@ -356,7 +356,7 @@ void prop_norm_single(struct prop_global *pg, struct prop_local_single *pl) if (pl->period == global_period) return; - spin_lock_irqsave(&pl->lock, flags); + raw_spin_lock_irqsave(&pl->lock, flags); prop_adjust_shift(&pl->shift, &pl->period, pg->shift); /* * For each missed period, we half the local counter. @@ -367,7 +367,7 @@ void prop_norm_single(struct prop_global *pg, struct prop_local_single *pl) else pl->events = 0; pl->period = global_period; - spin_unlock_irqrestore(&pl->lock, flags); + raw_spin_unlock_irqrestore(&pl->lock, flags); } /* |