[Xen-devel] Re: [PROPOSAL] Doing work in idle-vcpu context

[George Dunlap <george.dunlap@xxxxxxxxxxxxx>]

Keir Fraser 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?
>   
I think it's a pretty good idea.  Obviously having to have the the idle 
thread be able to switch to "schedule me NOW" priority would involve 
some special-casing (esp with shared runqueues), but it shoudn't be too bad.
-George

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