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Re: [PATCH v2 2/4] x86: Introduce MSR_UNHANDLED


  • To: Roger Pau Monné <roger.pau@xxxxxxxxxx>
  • From: Boris Ostrovsky <boris.ostrovsky@xxxxxxxxxx>
  • Date: Tue, 23 Feb 2021 11:40:07 -0500
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  • Cc: Jan Beulich <jbeulich@xxxxxxxx>, andrew.cooper3@xxxxxxxxxx, xen-devel@xxxxxxxxxxxxxxxxxxxx, iwj@xxxxxxxxxxxxxx, wl@xxxxxxx, anthony.perard@xxxxxxxxxx, jun.nakajima@xxxxxxxxx, kevin.tian@xxxxxxxxx
  • Delivery-date: Tue, 23 Feb 2021 16:40:35 +0000
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On 2/23/21 11:11 AM, Roger Pau Monné wrote:
> On Tue, Feb 23, 2021 at 10:39:48AM -0500, Boris Ostrovsky wrote:
>
>> Before I do that though --- what was the conclusion on verbosity control?
> Ideally I would like to find a way to have a more generic interface to
> change verbosity level on a per-guest basis, but I haven't looked at
> all about how to do that, neither I think it would be acceptable to
> put that burden on you.
>
> Maybe we could introduce another flag to set whether ignored MSRs
> should be logged, as that would be easier to implement?


Probably.


    msr_ignore=["verbose=<bool>", "<range>", "range>", ...]


-boris


>
> I think in that case we could enforce that either all ranges have the
> flag set or not, in order to prevent ending up tracking two different
> ranges of ignored MSRs, one that triggers a message and another one
> that doesn't.
>
> Thanks, Roger.



 


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