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xen-devel
Re: [Xen-devel] evtchn_upcall_mask for PV-on-HVM
On 30/11/06 07:05, "Tian, Kevin" <kevin.tian@xxxxxxxxx> wrote:
> Anyway, we'd like to know whether this is a real bug. If yes, it may
> have some impact on performance, and then people may clear the
> evtchn_upcall_mask either at domain creation time or at callback_irq
> setting time. In any case, this field does nothing for HVM domain since
> the latter already has 'rflags.if' for same purpose.
Local_events_need_delivery() should check for pending APIC/PIC interrupts on
HVM. That'll fix the block() wakeup-waiting race too.
-- Keir
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