x86/irq: Fix move_irq_desc() for nodes without ram

Don't move it if target node is -1. Signed-off-by: Yinghai Lu <yinghai@kernel.org> LKML-Reference: <4A785B5D.4070702@kernel.org> Signed-off-by: Ingo Molnar <mingo@elte.hu>
mariux64 · Aug 8, 2009 · ad7d6c7 · ad7d6c7
1 parent 7b2aa03
commit ad7d6c7
Showing 1 changed file with 2 additions and 2 deletions.
diff --git a/kernel/irq/numa_migrate.c b/kernel/irq/numa_migrate.c
@@ -107,8 +107,8 @@ static struct irq_desc *__real_move_irq_desc(struct irq_desc *old_desc,
 
 struct irq_desc *move_irq_desc(struct irq_desc *desc, int node)
 {
-	/* those all static, do move them */
-	if (desc->irq < NR_IRQS_LEGACY)
+	/* those static or target node is -1, do not move them */
+	if (desc->irq < NR_IRQS_LEGACY || node == -1)
 		return desc;
 
 	if (desc->node != node)