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Re: [PATCH] x86/vPMU: Extend vPMU support to version 5

To: Igor Druzhinin <igor.druzhinin@xxxxxxxxxx>, andrew.cooper3@xxxxxxxxxx, roger.pau@xxxxxxxxxx, kevin.tian@xxxxxxxxx, jun.nakajima@xxxxxxxxx
From: Jan Beulich <jbeulich@xxxxxxxx>
Date: Thu, 15 Apr 2021 13:29:48 +0200
Cc: wl@xxxxxxx, xen-devel@xxxxxxxxxxxxxxxxxxxx
Delivery-date: Thu, 15 Apr 2021 11:29:55 +0000
List-id: Xen developer discussion <xen-devel.lists.xenproject.org>

On 14.04.2021 14:28, Jan Beulich wrote:
> On 13.04.2021 19:25, Igor Druzhinin wrote:
>> Version 5 is backwards compatible with version 3. This allows to enable
>> vPMU on Ice Lake CPUs.
>>
>> Signed-off-by: Igor Druzhinin <igor.druzhinin@xxxxxxxxxx>
> 
> Acked-by: Jan Beulich <jbeulich@xxxxxxxx>

Actually I've just noticed that I can't ack this, as the source file
is deemed part of VT-x. I wonder whether we should drop this, as it's
been quite a while since vPMU code was made HVM-independent.

Jan

References:
- [PATCH] x86/vPMU: Extend vPMU support to version 5
  - From: Igor Druzhinin
- Re: [PATCH] x86/vPMU: Extend vPMU support to version 5
  - From: Jan Beulich

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