Re: [PATCH] qemu-kvm: response to SIGUSR1 to start/stop a VCPU (v2)

Avi Kivity
2010-12-02T12:43:04Z

On 12/02/2010 02:19 PM, Srivatsa Vaddagiri wrote:
> On Thu, Dec 02, 2010 at 11:17:52AM +0200, Avi Kivity wrote:
> > What I'd like to see in directed yield is donating exactly the
> > amount of vruntime that's needed to make the target thread run. The
>
> How would that work well with hard-limits? The target thread would have been
> rate limited and no amount of vruntime donation would make it work
> "immediately" ..

At least it would stop the donator from running.

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