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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 13:45:59 -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 18:46:20 +0000
- List-id: Xen developer discussion <xen-devel.lists.xenproject.org>
On 2/23/21 1:02 PM, Roger Pau Monné wrote:
> On Tue, Feb 23, 2021 at 11:40:07AM -0500, Boris Ostrovsky wrote:
>> 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>", ...]
> I think just adding a new option will be easier to parse in xl rather
> than placing it in the list of MSR ranges:
>
> msr_ignore=["<range>", "range>", ...]
> msr_ignore_verbose=<boolean>
>
> Seems easier to implement IMO.
I haven't looked at what parsing support is available in xl. If I don't find
anything useful (and I give up quickly ;-) ) I can use separate options.
-boris
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