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SubjectRe: [patch] x86, apic: use 0x20 for the IRQ_MOVE_CLEANUP_VECTOR instead of 0x1f
> I'm wondering if what you're thinking of are the really old LAPICs which
> could only remember two pending interrupts per priority level?

On the really old boards an IPI can arrive more than once which makes
synchronization questions all the more interesting !


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