diff options
| author | Thomas Gleixner <tglx@linutronix.de> | 2009-11-17 18:46:45 +0300 |
|---|---|---|
| committer | Thomas Gleixner <tglx@linutronix.de> | 2009-12-15 01:55:33 +0300 |
| commit | 239007b8440abff689632f50cdf0f2b9e895b534 (patch) | |
| tree | 569cab843af4a999d6d868ec9a824530d2bfa733 /kernel/irq/numa_migrate.c | |
| parent | 9f5a5621e78cf48d86682a71ceb3fcdbde38b222 (diff) | |
| download | linux-239007b8440abff689632f50cdf0f2b9e895b534.tar.xz | |
genirq: Convert irq_desc.lock to raw_spinlock
Convert locks which cannot be sleeping locks in preempt-rt to
raw_spinlocks.
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Acked-by: Peter Zijlstra <peterz@infradead.org>
Acked-by: Ingo Molnar <mingo@elte.hu>
Diffstat (limited to 'kernel/irq/numa_migrate.c')
| -rw-r--r-- | kernel/irq/numa_migrate.c | 8 |
1 files changed, 4 insertions, 4 deletions
diff --git a/kernel/irq/numa_migrate.c b/kernel/irq/numa_migrate.c index 3fd30197da2e..26bac9d8f860 100644 --- a/kernel/irq/numa_migrate.c +++ b/kernel/irq/numa_migrate.c @@ -42,7 +42,7 @@ static bool init_copy_one_irq_desc(int irq, struct irq_desc *old_desc, "for migration.\n", irq); return false; } - spin_lock_init(&desc->lock); + raw_spin_lock_init(&desc->lock); desc->node = node; lockdep_set_class(&desc->lock, &irq_desc_lock_class); init_copy_kstat_irqs(old_desc, desc, node, nr_cpu_ids); @@ -67,7 +67,7 @@ static struct irq_desc *__real_move_irq_desc(struct irq_desc *old_desc, irq = old_desc->irq; - spin_lock_irqsave(&sparse_irq_lock, flags); + raw_spin_lock_irqsave(&sparse_irq_lock, flags); /* We have to check it to avoid races with another CPU */ desc = irq_desc_ptrs[irq]; @@ -91,7 +91,7 @@ static struct irq_desc *__real_move_irq_desc(struct irq_desc *old_desc, } irq_desc_ptrs[irq] = desc; - spin_unlock_irqrestore(&sparse_irq_lock, flags); + raw_spin_unlock_irqrestore(&sparse_irq_lock, flags); /* free the old one */ free_one_irq_desc(old_desc, desc); @@ -100,7 +100,7 @@ static struct irq_desc *__real_move_irq_desc(struct irq_desc *old_desc, return desc; out_unlock: - spin_unlock_irqrestore(&sparse_irq_lock, flags); + raw_spin_unlock_irqrestore(&sparse_irq_lock, flags); return desc; } |