From ad7d6c7a0654a4bbda3e109f56af713267e96274 Mon Sep 17 00:00:00 2001
From: Yinghai Lu <yinghai@kernel.org>
Date: Tue, 4 Aug 2009 09:01:33 -0700
Subject: [PATCH] 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>
---
kernel/irq/numa_migrate.c | 4 ++--
1 file changed, 2 insertions(+), 2 deletions(-)
diff --git a/kernel/irq/numa_migrate.c b/kernel/irq/numa_migrate.c
index 2f69bee57bf2..3fd30197da2e 100644
--- a/kernel/irq/numa_migrate.c
+++ b/kernel/irq/numa_migrate.c
@@ -107,8 +107,8 @@ out_unlock:
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)
--
2.20.1