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2011 Feb 16
8
[PATCH] irq: Exclude percpu IRQs from being fixed up
...nvoked which reports bug and crashes Dom0. This patch sets IRQ_PER_CPU flag in irq desc and excludes percpu IRQs from being fixed up when taking CPUs down. Signed-off-by: Fengzhe Zhang <fengzhe.zhang@intel.com> diff --git a/arch/x86/kernel/irq_64.c b/arch/x86/kernel/irq_64.c index 977d8b4..f0f9450 100644 --- a/arch/x86/kernel/irq_64.c +++ b/arch/x86/kernel/irq_64.c @@ -80,6 +80,9 @@ void fixup_irqs(void) if (irq == 2) continue; + if (desc->status & IRQ_PER_CPU) + continue; + /* interrupt''s are disabled at this point */ spin_lock(&desc->lock); diff -...