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authorThomas Gleixner <tglx@linutronix.de>2009-11-17 16:46:45 +0100
committerThomas Gleixner <tglx@linutronix.de>2009-12-14 23:55:33 +0100
commit239007b8440abff689632f50cdf0f2b9e895b534 (patch)
tree569cab843af4a999d6d868ec9a824530d2bfa733 /arch/sparc/kernel/irq_64.c
parent9f5a5621e78cf48d86682a71ceb3fcdbde38b222 (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 'arch/sparc/kernel/irq_64.c')
-rw-r--r--arch/sparc/kernel/irq_64.c8
1 files changed, 4 insertions, 4 deletions
diff --git a/arch/sparc/kernel/irq_64.c b/arch/sparc/kernel/irq_64.c
index ce996f97855f..8d6882bb480a 100644
--- a/arch/sparc/kernel/irq_64.c
+++ b/arch/sparc/kernel/irq_64.c
@@ -176,7 +176,7 @@ 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 skip;
@@ -195,7 +195,7 @@ int show_interrupts(struct seq_file *p, void *v)
seq_putc(p, '\n');
skip:
- spin_unlock_irqrestore(&irq_desc[i].lock, flags);
+ raw_spin_unlock_irqrestore(&irq_desc[i].lock, flags);
} else if (i == NR_IRQS) {
seq_printf(p, "NMI: ");
for_each_online_cpu(j)
@@ -785,14 +785,14 @@ void fixup_irqs(void)
for (irq = 0; irq < NR_IRQS; irq++) {
unsigned long flags;
- spin_lock_irqsave(&irq_desc[irq].lock, flags);
+ raw_spin_lock_irqsave(&irq_desc[irq].lock, flags);
if (irq_desc[irq].action &&
!(irq_desc[irq].status & IRQ_PER_CPU)) {
if (irq_desc[irq].chip->set_affinity)
irq_desc[irq].chip->set_affinity(irq,
irq_desc[irq].affinity);
}
- spin_unlock_irqrestore(&irq_desc[irq].lock, flags);
+ raw_spin_unlock_irqrestore(&irq_desc[irq].lock, flags);
}
tick_ops->disable_irq();