Re: [Xen-devel] [PATCH v2 3/6] xen/pvshim: identity pin shim vCPUs to pCPUs

["Jan Beulich" <JBeulich@xxxxxxxx>]

>>> On 17.01.18 at 17:29, <roger.pau@xxxxxxxxxx> wrote:
> Since VCPUOP_{up/down} already identity maps vCPU hotplug to pCPU
> hotplug also identity pin the vCPUs to the pCPUs in the scheduler.
> This prevents vCPU migration and should improve performance.
> 
> While there also use __cpumask_set_cpu instead of cpumask_set_cpu,
> there's no need to use the locked variant.
> 
> Signed-off-by: Roger Pau Monné <roger.pau@xxxxxxxxxx>
> Reviewed-by: Wei Liu <wei.liu2@xxxxxxxxxx>

Acked-by: Jan Beulich <jbeulich@xxxxxxxx>


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