x86: block irq balancing for timer
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: Andi Kleen <ak@suse.de> Cc: john stultz <johnstul@us.ibm.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Ingo Molnar <mingo@elte.hu> Signed-off-by: Thomas Gleixner <tglx@linutronix.de> Signed-off-by: Arjan van de Ven <arjan@linux.intel.com>
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@ -360,7 +360,7 @@ void stop_timer_interrupt(void)
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static struct irqaction irq0 = {
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.handler = timer_interrupt,
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.flags = IRQF_DISABLED | IRQF_IRQPOLL,
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.flags = IRQF_DISABLED | IRQF_IRQPOLL | IRQF_NOBALANCING,
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.mask = CPU_MASK_NONE,
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.name = "timer"
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};
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