Re: [Xen-devel] [RFC Design Doc] Add vNVDIMM support for Xen

["Jan Beulich" <JBeulich@xxxxxxxx>]

>>> On 03.02.16 at 15:30, <andrew.cooper3@xxxxxxxxxx> wrote:
> On 03/02/16 09:18, Jan Beulich wrote:
>>>
>>>> In other words - the NVDIMM resource does not provide any resource
>>>> isolation. However this may not be any different than what we had
>>>> nowadays with CPU caches.
>>>>
>>> Does Xen have any mechanism to isolate multiple guests' operations on
>>> CPU caches?
>> No.
> 
> PSR Cache Allocation is supported in Xen 4.6 on supporting hardware, so
> the administrator can partition guests if necessary.

And if the hardware supports it (which for a while might be more the
exception than the rule).

Jan


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