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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/blackfin
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/blackfin')
-rw-r--r--arch/blackfin/kernel/irqchip.c6
-rw-r--r--arch/blackfin/kernel/traps.c4
2 files changed, 5 insertions, 5 deletions
diff --git a/arch/blackfin/kernel/irqchip.c b/arch/blackfin/kernel/irqchip.c
index db9f9c91f11..64cff54a8a5 100644
--- a/arch/blackfin/kernel/irqchip.c
+++ b/arch/blackfin/kernel/irqchip.c
@@ -23,7 +23,7 @@ void ack_bad_irq(unsigned int irq)
static struct irq_desc bad_irq_desc = {
.handle_irq = handle_bad_irq,
- .lock = __SPIN_LOCK_UNLOCKED(irq_desc->lock),
+ .lock = __RAW_SPIN_LOCK_UNLOCKED(bad_irq_desc.lock),
};
#ifdef CONFIG_CPUMASK_OFFSTACK
@@ -39,7 +39,7 @@ int show_interrupts(struct seq_file *p, void *v)
unsigned long flags;
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;
@@ -53,7 +53,7 @@ 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)
diff --git a/arch/blackfin/kernel/traps.c b/arch/blackfin/kernel/traps.c
index 78cb3d38f89..9636bace00e 100644
--- a/arch/blackfin/kernel/traps.c
+++ b/arch/blackfin/kernel/traps.c
@@ -1140,7 +1140,7 @@ void show_regs(struct pt_regs *fp)
if (fp->ipend & ~0x3F) {
for (i = 0; i < (NR_IRQS - 1); i++) {
if (!in_atomic)
- spin_lock_irqsave(&irq_desc[i].lock, flags);
+ raw_spin_lock_irqsave(&irq_desc[i].lock, flags);
action = irq_desc[i].action;
if (!action)
@@ -1155,7 +1155,7 @@ void show_regs(struct pt_regs *fp)
verbose_printk("\n");
unlock:
if (!in_atomic)
- spin_unlock_irqrestore(&irq_desc[i].lock, flags);
+ raw_spin_unlock_irqrestore(&irq_desc[i].lock, flags);
}
}