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| author | Thomas Gleixner <tglx@linutronix.de> | 2009-11-17 16:46:45 +0100 |
|---|---|---|
| committer | Thomas Gleixner <tglx@linutronix.de> | 2009-12-14 23:55:33 +0100 |
| commit | 239007b8440abff689632f50cdf0f2b9e895b534 (patch) | |
| tree | 569cab843af4a999d6d868ec9a824530d2bfa733 /arch/arm/kernel | |
| parent | 9f5a5621e78cf48d86682a71ceb3fcdbde38b222 (diff) | |
| download | kernel_samsung_crespo-239007b8440abff689632f50cdf0f2b9e895b534.zip kernel_samsung_crespo-239007b8440abff689632f50cdf0f2b9e895b534.tar.gz kernel_samsung_crespo-239007b8440abff689632f50cdf0f2b9e895b534.tar.bz2 | |
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 'arch/arm/kernel')
| -rw-r--r-- | arch/arm/kernel/irq.c | 12 |
1 files changed, 6 insertions, 6 deletions
diff --git a/arch/arm/kernel/irq.c b/arch/arm/kernel/irq.c index c9a8619..b7cb45b 100644 --- a/arch/arm/kernel/irq.c +++ b/arch/arm/kernel/irq.c @@ -69,7 +69,7 @@ int show_interrupts(struct seq_file *p, void *v) } if (i < NR_IRQS) { - spin_lock_irqsave(&irq_desc[i].lock, flags); + raw_spin_lock_irqsave(&irq_desc[i].lock, flags); action = irq_desc[i].action; if (!action) goto unlock; @@ -84,7 +84,7 @@ int show_interrupts(struct seq_file *p, void *v) seq_putc(p, '\n'); unlock: - spin_unlock_irqrestore(&irq_desc[i].lock, flags); + raw_spin_unlock_irqrestore(&irq_desc[i].lock, flags); } else if (i == NR_IRQS) { #ifdef CONFIG_FIQ show_fiq_list(p, v); @@ -139,7 +139,7 @@ void set_irq_flags(unsigned int irq, unsigned int iflags) } desc = irq_desc + irq; - spin_lock_irqsave(&desc->lock, flags); + raw_spin_lock_irqsave(&desc->lock, flags); desc->status |= IRQ_NOREQUEST | IRQ_NOPROBE | IRQ_NOAUTOEN; if (iflags & IRQF_VALID) desc->status &= ~IRQ_NOREQUEST; @@ -147,7 +147,7 @@ void set_irq_flags(unsigned int irq, unsigned int iflags) desc->status &= ~IRQ_NOPROBE; if (!(iflags & IRQF_NOAUTOEN)) desc->status &= ~IRQ_NOAUTOEN; - spin_unlock_irqrestore(&desc->lock, flags); + raw_spin_unlock_irqrestore(&desc->lock, flags); } void __init init_IRQ(void) @@ -166,9 +166,9 @@ static void route_irq(struct irq_desc *desc, unsigned int irq, unsigned int cpu) { pr_debug("IRQ%u: moving from cpu%u to cpu%u\n", irq, desc->node, cpu); - spin_lock_irq(&desc->lock); + raw_spin_lock_irq(&desc->lock); desc->chip->set_affinity(irq, cpumask_of(cpu)); - spin_unlock_irq(&desc->lock); + raw_spin_unlock_irq(&desc->lock); } /* |