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authorThomas Gleixner <tglx@linutronix.de>2009-11-17 10:46:45 -0500
committerThomas Gleixner <tglx@linutronix.de>2009-12-14 17:55:33 -0500
commit239007b8440abff689632f50cdf0f2b9e895b534 (patch)
tree569cab843af4a999d6d868ec9a824530d2bfa733 /arch/mips/kernel
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/mips/kernel')
-rw-r--r--arch/mips/kernel/irq.c4
1 files changed, 2 insertions, 2 deletions
diff --git a/arch/mips/kernel/irq.c b/arch/mips/kernel/irq.c
index 7b845ba9dff4..8b0b4181219f 100644
--- a/arch/mips/kernel/irq.c
+++ b/arch/mips/kernel/irq.c
@@ -99,7 +99,7 @@ int show_interrupts(struct seq_file *p, void *v)
99 } 99 }
100 100
101 if (i < NR_IRQS) { 101 if (i < NR_IRQS) {
102 spin_lock_irqsave(&irq_desc[i].lock, flags); 102 raw_spin_lock_irqsave(&irq_desc[i].lock, flags);
103 action = irq_desc[i].action; 103 action = irq_desc[i].action;
104 if (!action) 104 if (!action)
105 goto skip; 105 goto skip;
@@ -118,7 +118,7 @@ int show_interrupts(struct seq_file *p, void *v)
118 118
119 seq_putc(p, '\n'); 119 seq_putc(p, '\n');
120skip: 120skip:
121 spin_unlock_irqrestore(&irq_desc[i].lock, flags); 121 raw_spin_unlock_irqrestore(&irq_desc[i].lock, flags);
122 } else if (i == NR_IRQS) { 122 } else if (i == NR_IRQS) {
123 seq_putc(p, '\n'); 123 seq_putc(p, '\n');
124 seq_printf(p, "ERR: %10u\n", atomic_read(&irq_err_count)); 124 seq_printf(p, "ERR: %10u\n", atomic_read(&irq_err_count));