Messages in this thread Patch in this message | | | From | Andi Kleen <> | Subject | [PATCH] [39/45] x86_64: block irq balancing for timer | Date | Fri, 21 Sep 2007 22:45:22 +0200 (CEST) |
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From: Venki Pallipadi <venkatesh.pallipadi@intel.com>
Disable irq balancing on IRQ0. Several SIS chipsets lock up when you try to change affinity of IRQ #0.
Signed-off-by: Venkatesh Pallipadi <venkatesh.pallipadi@intel.com> Signed-off-by: Thomas Gleixner <tglx@linutronix.de> Signed-off-by: Andi Kleen <ak@suse.de> Cc: Andi Kleen <ak@suse.de> Cc: Ingo Molnar <mingo@elte.hu> Cc: john stultz <johnstul@us.ibm.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> ---
arch/x86_64/kernel/time.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-)
Index: linux/arch/x86_64/kernel/time.c =================================================================== --- linux.orig/arch/x86_64/kernel/time.c +++ linux/arch/x86_64/kernel/time.c @@ -360,7 +360,7 @@ void stop_timer_interrupt(void) static struct irqaction irq0 = { .handler = timer_interrupt, - .flags = IRQF_DISABLED | IRQF_IRQPOLL, + .flags = IRQF_DISABLED | IRQF_IRQPOLL | IRQF_NOBALANCING, .mask = CPU_MASK_NONE, .name = "timer" }; - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
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