>>> On 03.12.15 at 07:16, <kevin.t...@intel.com> wrote:
>> From: Dietmar Hahn [mailto:dietmar.h...@ts.fujitsu.com]
>> Sent: Wednesday, December 02, 2015 5:21 PM
>>
>> Am Mittwoch 02 Dezember 2015, 02:20:49 schrieb Tian, Kevin:
>> > > From: Boris Ostrovsky [mailto:boris.ostrov...@oracle.com]
>> > > Sent: Wednesday, December 02, 2015 12:50 AM
>> > >
>> > > * Limit VPMU support to PMU versions 2, 3 and 4 (emulated at version 3
>> > > level)
>> > > * Always implement family 6 VPMU quirk.
>> > > ==> Intel folks: is the quirk needed for all family 6 processors or
>> > > can we
>> > > limit it to certain models?
>> >
>> > Let me confirm this information internally. btw could you provide a link
>> > where you find out the original quirk information?
>>
>> http://old-list-archives.xenproject.org/xen-devel/2010-11/msg01157.html
>> Dietmar.
>
> Looks there's no formal errata recorded from original thread. Since the
> patch sustains original behavior, I'm OK with this assumption.
Except that the Link Dietmar provided makes it even more
likely that this could be limited to certain models (since in that
original patch version it covered just two). See also the vague
statement in 75a92f551a ("Currently only a few Intel models
have VPMU workaround turned on. It").
Jan
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