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Re: [Xen-devel] [PATCH 08/19] xen: credit2: when tickling, check idle cpus first



On Sat, Jun 18, 2016 at 12:12 AM, Dario Faggioli
<dario.faggioli@xxxxxxxxxx> wrote:
> If there are idle pCPUs, it's always better to try to
> "ship" the new vCPU there, instead than letting it
> preempting on a currently busy one.
>
> This commit also adds a cpumask_test_or_cycle() helper
> function, to make it easier to code the preference for
> the pCPU where the vCPU was running before.
>
> Signed-off-by: Dario Faggioli <dario.faggioli@xxxxxxxxxx>

Reviewed-by: George Dunlap <george.dunlap@xxxxxxxxxx>

And queued.

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