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From: Boris Ostrovsky <boris.ostrovsky@oracle.com>
To: "Roger Pau Monné" <roger.pau@citrix.com>
Cc: Jan Beulich <jbeulich@suse.com>,
	andrew.cooper3@citrix.com, xen-devel@lists.xenproject.org,
	iwj@xenproject.org, wl@xen.org, anthony.perard@citrix.com,
	jun.nakajima@intel.com, kevin.tian@intel.com
Subject: Re: [PATCH v2 2/4] x86: Introduce MSR_UNHANDLED
Date: Tue, 23 Feb 2021 13:45:59 -0500	[thread overview]
Message-ID: <e8b6c86a-339d-c89e-e087-ebe4ffd92e46@oracle.com> (raw)
In-Reply-To: <YDVDNtd4n8zV7T6J@Air-de-Roger>


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



  reply	other threads:[~2021-02-23 18:46 UTC|newest]

Thread overview: 53+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2021-01-20 22:49 [PATCH v2 0/4] Permit fault-less access to non-emulated MSRs Boris Ostrovsky
2021-01-20 22:49 ` [PATCH v2 1/4] xl: Add support for ignore_msrs option Boris Ostrovsky
2021-01-21 14:56   ` Wei Liu
2021-01-21 22:43     ` Boris Ostrovsky
2021-01-22  9:52   ` Julien Grall
2021-01-22 18:28     ` Boris Ostrovsky
2021-01-22 18:33       ` Julien Grall
2021-01-22 18:39         ` Boris Ostrovsky
2021-01-22 20:42           ` Julien Grall
2021-02-18 10:42   ` Roger Pau Monné
2021-02-18 11:54     ` Jan Beulich
2021-02-18 15:52       ` Roger Pau Monné
2021-02-18 15:57         ` Jan Beulich
2021-02-19 14:50           ` Boris Ostrovsky
2021-02-22 10:24             ` Roger Pau Monné
2021-02-22 10:33               ` Jan Beulich
2021-01-20 22:49 ` [PATCH v2 2/4] x86: Introduce MSR_UNHANDLED Boris Ostrovsky
2021-01-22 11:51   ` Jan Beulich
2021-01-22 18:56     ` Boris Ostrovsky
2021-02-02 17:01     ` Boris Ostrovsky
2021-02-18 10:51   ` Roger Pau Monné
2021-02-19 14:56     ` Boris Ostrovsky
2021-02-22 11:08       ` Roger Pau Monné
2021-02-22 21:19         ` Boris Ostrovsky
2021-02-23  7:57           ` Jan Beulich
2021-02-23  9:34             ` Roger Pau Monné
2021-02-23 10:15               ` Jan Beulich
2021-02-23 12:17                 ` Roger Pau Monné
2021-02-23 13:23                   ` Jan Beulich
2021-02-23 15:39                     ` Boris Ostrovsky
2021-02-23 16:10                       ` Jan Beulich
2021-02-23 18:00                         ` Roger Pau Monné
2021-02-23 16:11                       ` Roger Pau Monné
2021-02-23 16:40                         ` Boris Ostrovsky
2021-02-23 18:02                           ` Roger Pau Monné
2021-02-23 18:45                             ` Boris Ostrovsky [this message]
2021-01-20 22:49 ` [PATCH v2 3/4] x86: Allow non-faulting accesses to non-emulated MSRs if policy permits this Boris Ostrovsky
2021-01-22 12:51   ` Jan Beulich
2021-01-22 19:52     ` Boris Ostrovsky
2021-01-25 10:22       ` Jan Beulich
2021-01-25 18:42         ` Boris Ostrovsky
2021-01-26  9:05           ` Jan Beulich
2021-01-26 16:02             ` Boris Ostrovsky
2021-01-26 16:35               ` Jan Beulich
2021-02-18 11:24   ` Roger Pau Monné
2021-02-18 11:57     ` Jan Beulich
2021-02-18 15:53       ` Roger Pau Monné
2021-01-20 22:49 ` [PATCH v2 4/4] tools/libs: Apply MSR policy to a guest Boris Ostrovsky
2021-01-21 14:58   ` Wei Liu
2021-01-22  9:56   ` Julien Grall
2021-01-22 18:35     ` Boris Ostrovsky
2021-02-18 11:48   ` Roger Pau Monné
2021-02-19 14:57     ` Boris Ostrovsky

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