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

>>> On 18.01.18 at 12:11, <ian.jackson@xxxxxxxxxxxxx> wrote:
> Jan Beulich writes ("Re: [PATCH v2 3/6] xen/pvshim: identity pin shim vCPUs 
> to pCPUs"):
>> 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>
> Should this be in the security response comet branch ?

I believe so, but better ask Roger and Wei.


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