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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/x86/kernel/apic/io_apic.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/x86/kernel/apic/io_apic.c')
-rw-r--r--arch/x86/kernel/apic/io_apic.c4
1 files changed, 2 insertions, 2 deletions
diff --git a/arch/x86/kernel/apic/io_apic.c b/arch/x86/kernel/apic/io_apic.c
index d5d498fbee4..11a5851f1f5 100644
--- a/arch/x86/kernel/apic/io_apic.c
+++ b/arch/x86/kernel/apic/io_apic.c
@@ -2431,7 +2431,7 @@ asmlinkage void smp_irq_move_cleanup_interrupt(void)
continue;
cfg = irq_cfg(irq);
- spin_lock(&desc->lock);
+ raw_spin_lock(&desc->lock);
if (vector == cfg->vector && cpumask_test_cpu(me, cfg->domain))
goto unlock;
@@ -2450,7 +2450,7 @@ asmlinkage void smp_irq_move_cleanup_interrupt(void)
}
__get_cpu_var(vector_irq)[vector] = -1;
unlock:
- spin_unlock(&desc->lock);
+ raw_spin_unlock(&desc->lock);
}
irq_exit();