From: Yinghai Lu <yinghai@kernel.org>
To: Ingo Molnar <mingo@elte.hu>, Thomas Gleixner <tglx@linutronix.de>,
"H. Peter Anvin" <hpa@zytor.com>
Cc: "linux-kernel@vger.kernel.org" <linux-kernel@vger.kernel.org>
Subject: [PATCH] x86/irq: fix move_irq_desc for node without ram
Date: Tue, 04 Aug 2009 09:01:33 -0700 [thread overview]
Message-ID: <4A785B5D.4070702@kernel.org> (raw)
don't move it if target node is -1
Signed-off-by: Yinghai Lu <yinghai@kernel.org>
---
kernel/irq/numa_migrate.c | 4 ++--
1 file changed, 2 insertions(+), 2 deletions(-)
Index: linux-2.6/kernel/irq/numa_migrate.c
===================================================================
--- linux-2.6.orig/kernel/irq/numa_migrate.c
+++ linux-2.6/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)
next reply other threads:[~2009-08-04 16:02 UTC|newest]
Thread overview: 2+ messages / expand[flat|nested] mbox.gz Atom feed top
2009-08-04 16:01 Yinghai Lu [this message]
2009-08-08 15:21 ` [tip:irq/urgent] x86/irq: Fix move_irq_desc() for nodes without ram tip-bot for Yinghai Lu
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