Re: [Xen-devel] [PATCH v2] x86/AMD: unbreak CPU hotplug on AMD systems without RstrFpErrPtrs

[Igor Druzhinin <igor.druzhinin@xxxxxxxxxx>]

On 10/12/2019 13:58, Jan Beulich wrote:
> On 10.12.2019 13:37, Andrew Cooper wrote:
>> Furthermore, you will observe that there is an action item on me from
>> the call to come up with a less broken alternative which I'm genuinely
>> attempting to do.
> 
> There's no indication towards this in the minutes, afaics. Or wait
> - the same topic appears twice there (as both 4 and 6). I wasn't
> even aware of such an action item. I'll be happy to revert if you
> indicate so, and if a better fix is going to show up in time.

I don't think reverting would make sense - the patch doesn't break
anything, even more - it actually fixes the problem we observed.
If there is an improvement to that coming - it should be just done
on top of this also potentially taking care of other places in the code
that might be affected.

Igor

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