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authorTony Lindgren <tony@atomide.com>2006-06-18 16:26:58 +0100
committerRussell King <rmk+kernel@arm.linux.org.uk>2006-06-18 16:26:58 +0100
commitebc67da65fda03cbe5b4019d91229287fddd5c6e (patch)
tree7f1f77aa0525eecfca86f066d64938c62794e663 /arch/arm/kernel/irq.c
parent36fe6a83b4a52276eebb929ff94896fa65d83401 (diff)
[ARM] 3554/1: ARM: Fix dyntick locking
Patch from Tony Lindgren This patch fixes some dyntick locking issues on ARM as pointed out by Russell King. Signed-off-by: Tony Lindgren <tony@atomide.com> Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
Diffstat (limited to 'arch/arm/kernel/irq.c')
-rw-r--r--arch/arm/kernel/irq.c4
1 files changed, 2 insertions, 2 deletions
diff --git a/arch/arm/kernel/irq.c b/arch/arm/kernel/irq.c
index 2d5896b3618..bcc19fbb32d 100644
--- a/arch/arm/kernel/irq.c
+++ b/arch/arm/kernel/irq.c
@@ -342,10 +342,10 @@ __do_irq(unsigned int irq, struct irqaction *action, struct pt_regs *regs)
#ifdef CONFIG_NO_IDLE_HZ
if (!(action->flags & SA_TIMER) && system_timer->dyn_tick != NULL) {
- write_seqlock(&xtime_lock);
+ spin_lock(&system_timer->dyn_tick->lock);
if (system_timer->dyn_tick->state & DYN_TICK_ENABLED)
system_timer->dyn_tick->handler(irq, 0, regs);
- write_sequnlock(&xtime_lock);
+ spin_unlock(&system_timer->dyn_tick->lock);
}
#endif