[Patch (block.git) 1/2] Add irqsave to spinlocks in call functionsingle interrupt

[Alan D. Brunelle]

Signed-off-by: Alan D. Brunelle <alan.brunelle@xxxxxx>
---
 kernel/smp.c |    5 +++--
 1 files changed, 3 insertions(+), 2 deletions(-)

diff --git a/kernel/smp.c b/kernel/smp.c
index 852abd3..7232e1c 100644
--- a/kernel/smp.c
+++ b/kernel/smp.c
@@ -24,12 +24,13 @@ void __cpuinit generic_init_call_single_data(void)
 void generic_smp_call_function_single_interrupt(void)
 {
 	struct call_single_queue *q;
+	unsigned long flags;
 	LIST_HEAD(list);
 
 	q = &__get_cpu_var(call_single_queue);
-	spin_lock(&q->lock);
+	spin_lock_irqsave(&q->lock, flags);
 	list_replace_init(&q->list, &list);
-	spin_unlock(&q->lock);
+	spin_unlock_irqrestore(&q->lock, flags);
 
 	while (!list_empty(&list)) {
 		struct call_single_data *data;
-- 
1.5.2.5

--
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@xxxxxxxxxxxxxxx
More majordomo info at  http://vger.kernel.org/majordomo-info.html
Please read the FAQ at  http://www.tux.org/lkml/