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    SubjectRe: [PATCH v2 1/2] x86: skip migrating IRQF_PER_CPU irq in fixup_irqs
    On Fri, 6 May 2011, Konrad Rzeszutek Wilk wrote:
    > On Fri, May 06, 2011 at 02:43:36PM +0800, Tian, Kevin wrote:
    > > because Xen event chip silently fails the set_affinity ops, and
    > > logically IRQF_PER_CPU should be recognized here.
    >
    > OK, so what if the set_affinity ops was implemented?

    An interrupt chip which has a set_affinity op should not mark
    something per cpu, which implies that the irq CANNOT be moved.

    Thanks,

    tglx


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