diff options
author | Thomas Gleixner <tglx@linutronix.de> | 2009-07-25 16:41:20 +0200 |
---|---|---|
committer | Thomas Gleixner <tglx@linutronix.de> | 2009-07-27 21:07:16 +0200 |
commit | 87047afaf2b9328aae92753ba1501b6c0f03370f (patch) | |
tree | f9df701d3406150d9ccc16cd160c9aae1c67fc96 | |
parent | aadc06f2172348b500f24247e38f608c46d5e136 (diff) |
sched: convert cpupri_vec lock to atomic_spinlock
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
-rw-r--r-- | kernel/sched_cpupri.c | 10 | ||||
-rw-r--r-- | kernel/sched_cpupri.h | 2 |
2 files changed, 6 insertions, 6 deletions
diff --git a/kernel/sched_cpupri.c b/kernel/sched_cpupri.c index e6c251790dde..8971e14f9d69 100644 --- a/kernel/sched_cpupri.c +++ b/kernel/sched_cpupri.c @@ -119,27 +119,27 @@ void cpupri_set(struct cpupri *cp, int cpu, int newpri) if (likely(oldpri != CPUPRI_INVALID)) { struct cpupri_vec *vec = &cp->pri_to_cpu[oldpri]; - spin_lock_irqsave(&vec->lock, flags); + atomic_spin_lock_irqsave(&vec->lock, flags); vec->count--; if (!vec->count) clear_bit(oldpri, cp->pri_active); cpumask_clear_cpu(cpu, vec->mask); - spin_unlock_irqrestore(&vec->lock, flags); + atomic_spin_unlock_irqrestore(&vec->lock, flags); } if (likely(newpri != CPUPRI_INVALID)) { struct cpupri_vec *vec = &cp->pri_to_cpu[newpri]; - spin_lock_irqsave(&vec->lock, flags); + atomic_spin_lock_irqsave(&vec->lock, flags); cpumask_set_cpu(cpu, vec->mask); vec->count++; if (vec->count == 1) set_bit(newpri, cp->pri_active); - spin_unlock_irqrestore(&vec->lock, flags); + atomic_spin_unlock_irqrestore(&vec->lock, flags); } *currpri = newpri; @@ -165,7 +165,7 @@ int cpupri_init(struct cpupri *cp, bool bootmem) for (i = 0; i < CPUPRI_NR_PRIORITIES; i++) { struct cpupri_vec *vec = &cp->pri_to_cpu[i]; - spin_lock_init(&vec->lock); + atomic_spin_lock_init(&vec->lock); vec->count = 0; if (!zalloc_cpumask_var(&vec->mask, gfp)) goto cleanup; diff --git a/kernel/sched_cpupri.h b/kernel/sched_cpupri.h index 9a7e859b8fbf..9a4c0f37d119 100644 --- a/kernel/sched_cpupri.h +++ b/kernel/sched_cpupri.h @@ -12,7 +12,7 @@ /* values 2-101 are RT priorities 0-99 */ struct cpupri_vec { - spinlock_t lock; + atomic_spinlock_t lock; int count; cpumask_var_t mask; }; |