Re: [Xen-devel] [RFC][PATCH 07/10] xen/hybrid: Add PV timer support

[Sheng Yang <sheng@xxxxxxxxxxxxxxx>]

On Thursday 17 September 2009 04:25:30 Jeremy Fitzhardinge wrote:
> On 09/16/09 01:42, Sheng Yang wrote:
> > If we have event channel, we can use VIRQ_TIMER to deliver timer
> > interrupt, otherwise we would reuse IRQ0.
>
> What's the purpose of this?  Why can we get a timer virq via event
> channel as usual?  I'm very dubious about having any platform
> interrupts/apic interaction in this code.
>
>     J

Before this patch, we didn't enable event channel for hybrid guest. But I 
think it's reasonable to enable it. Separating the event channel patch into 
two, one for generic usage, and another one QEmu devices. I would try to do 
this.

-- 
regards
Yang, Sheng

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