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xen-devel
[Xen-devel] Re: [PROPOSAL] Doing work in idle-vcpu context
On 19/04/2010 06:55, "Jiang, Yunhong" <yunhong.jiang@xxxxxxxxx> wrote:
>> One bit of mechanism this would require is the ability to bump the idle vcpu
>> priority up - preferably to 'max' priority forcing it to run next until we
>> return it to idle/lowest priority. George: how hard would such a mechanism
>> be to implement do you think?
>>
>> More generally: what do people think of this idea?
>
> The only concern from me is, are there any assumption in other components that
> idle vcpu is always for idle, and is always lowest priority?
I suppose we would find out. I don't think so, except of course it is built
into the scheduler that it is lowest priority.
-- Keir
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