diff options
author | Thomas Gleixner <tglx@linutronix.de> | 2009-11-17 10:46:45 -0500 |
---|---|---|
committer | Thomas Gleixner <tglx@linutronix.de> | 2009-12-14 17:55:33 -0500 |
commit | 239007b8440abff689632f50cdf0f2b9e895b534 (patch) | |
tree | 569cab843af4a999d6d868ec9a824530d2bfa733 /kernel/irq/pm.c | |
parent | 9f5a5621e78cf48d86682a71ceb3fcdbde38b222 (diff) |
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/pm.c')
-rw-r--r-- | kernel/irq/pm.c | 8 |
1 files changed, 4 insertions, 4 deletions
diff --git a/kernel/irq/pm.c b/kernel/irq/pm.c index a0bb09e79867..0d4005d85b03 100644 --- a/kernel/irq/pm.c +++ b/kernel/irq/pm.c | |||
@@ -28,9 +28,9 @@ void suspend_device_irqs(void) | |||
28 | for_each_irq_desc(irq, desc) { | 28 | for_each_irq_desc(irq, desc) { |
29 | unsigned long flags; | 29 | unsigned long flags; |
30 | 30 | ||
31 | spin_lock_irqsave(&desc->lock, flags); | 31 | raw_spin_lock_irqsave(&desc->lock, flags); |
32 | __disable_irq(desc, irq, true); | 32 | __disable_irq(desc, irq, true); |
33 | spin_unlock_irqrestore(&desc->lock, flags); | 33 | raw_spin_unlock_irqrestore(&desc->lock, flags); |
34 | } | 34 | } |
35 | 35 | ||
36 | for_each_irq_desc(irq, desc) | 36 | for_each_irq_desc(irq, desc) |
@@ -56,9 +56,9 @@ void resume_device_irqs(void) | |||
56 | if (!(desc->status & IRQ_SUSPENDED)) | 56 | if (!(desc->status & IRQ_SUSPENDED)) |
57 | continue; | 57 | continue; |
58 | 58 | ||
59 | spin_lock_irqsave(&desc->lock, flags); | 59 | raw_spin_lock_irqsave(&desc->lock, flags); |
60 | __enable_irq(desc, irq, true); | 60 | __enable_irq(desc, irq, true); |
61 | spin_unlock_irqrestore(&desc->lock, flags); | 61 | raw_spin_unlock_irqrestore(&desc->lock, flags); |
62 | } | 62 | } |
63 | } | 63 | } |
64 | EXPORT_SYMBOL_GPL(resume_device_irqs); | 64 | EXPORT_SYMBOL_GPL(resume_device_irqs); |