Pau Monné ; George Dunlap
> > ; Ian Jackson
> > ; Julien Grall ; Stefano
> > Stabellini
> > ; Alexandru Isaila ; Petre
> > Pircalabu
> > ; Paul Durrant
> > Subject: Re: [PATCH v4 for-4.14] x86/monitor: revert default behavior when
> > monitoring register w
ru Isaila ; Petre
> Pircalabu
> ; Paul Durrant
> Subject: Re: [PATCH v4 for-4.14] x86/monitor: revert default behavior when
> monitoring register write
> events
>
> On 03.06.2020 14:52, Tamas K Lengyel wrote:
> > For the last couple years we have received numerous repo
On 03.06.2020 14:52, Tamas K Lengyel wrote:
> For the last couple years we have received numerous reports from users of
> monitor vm_events of spurious guest crashes when using events. In particular,
> it has observed that the problem occurs when vm_events are being disabled. The
> nature of the
On 08.06.2020 20:58, Razvan Cojocaru wrote:
> On 6/8/20 6:55 PM, Jan Beulich wrote:
>> On 03.06.2020 17:07, Roger Pau Monné wrote:
>>> On Wed, Jun 03, 2020 at 06:52:37AM -0600, Tamas K Lengyel wrote:
For the last couple years we have received numerous reports from users of
monitor
On 6/8/20 11:44 PM, Tamas K Lengyel wrote:
> On Mon, Jun 8, 2020 at 2:14 PM Razvan Cojocaru
> wrote:
>>
>> On 6/8/20 10:54 PM, Tamas K Lengyel wrote:
>>> On Mon, Jun 8, 2020 at 12:58 PM Razvan Cojocaru
And last but not least, the proper sequence is: 1. unsubscribe from
register write
On 6/9/20 1:50 AM, Tamas K Lengyel wrote:
> On Mon, Jun 8, 2020 at 3:16 PM Razvan Cojocaru
> wrote:
>> 1. A security application that is unable to _prevent_ things being done
>> to a system is not doing a very good job, since in that case you can
>> only collect stats and not veto anything. I
On 6/8/20 6:55 PM, Jan Beulich wrote:
> On 03.06.2020 17:07, Roger Pau Monné wrote:
>> On Wed, Jun 03, 2020 at 06:52:37AM -0600, Tamas K Lengyel wrote:
>>> For the last couple years we have received numerous reports from users of
>>> monitor vm_events of spurious guest crashes when using events.
On 6/8/20 10:54 PM, Tamas K Lengyel wrote:
> On Mon, Jun 8, 2020 at 12:58 PM Razvan Cojocaru
>> And last but not least, the proper sequence is: 1. unsubscribe from
>> register write events, 2. process all events "still in the chamber"
>> (keep checking the ring buffer for a while), 3. detach from
On Mon, Jun 8, 2020 at 5:14 PM Razvan Cojocaru
wrote:
>
> On 6/9/20 1:50 AM, Tamas K Lengyel wrote:
> > On Mon, Jun 8, 2020 at 3:16 PM Razvan Cojocaru
> > wrote:
> >> 1. A security application that is unable to _prevent_ things being done
> >> to a system is not doing a very good job, since in
On Mon, Jun 8, 2020 at 3:16 PM Razvan Cojocaru
wrote:
>
> On 6/8/20 11:44 PM, Tamas K Lengyel wrote:
> > On Mon, Jun 8, 2020 at 2:14 PM Razvan Cojocaru
> > wrote:
> >>
> >> On 6/8/20 10:54 PM, Tamas K Lengyel wrote:
> >>> On Mon, Jun 8, 2020 at 12:58 PM Razvan Cojocaru
> And last but not
On Mon, Jun 8, 2020 at 2:14 PM Razvan Cojocaru
wrote:
>
> On 6/8/20 10:54 PM, Tamas K Lengyel wrote:
> > On Mon, Jun 8, 2020 at 12:58 PM Razvan Cojocaru
> >> And last but not least, the proper sequence is: 1. unsubscribe from
> >> register write events, 2. process all events "still in the
On Mon, Jun 8, 2020 at 12:58 PM Razvan Cojocaru
wrote:
>
> On 6/8/20 6:55 PM, Jan Beulich wrote:
> > On 03.06.2020 17:07, Roger Pau Monné wrote:
> >> On Wed, Jun 03, 2020 at 06:52:37AM -0600, Tamas K Lengyel wrote:
> >>> For the last couple years we have received numerous reports from users of
>
On 03.06.2020 17:07, Roger Pau Monné wrote:
> On Wed, Jun 03, 2020 at 06:52:37AM -0600, Tamas K Lengyel wrote:
>> For the last couple years we have received numerous reports from users of
>> monitor vm_events of spurious guest crashes when using events. In particular,
>> it has observed that the
On Wed, Jun 03, 2020 at 06:52:37AM -0600, Tamas K Lengyel wrote:
> For the last couple years we have received numerous reports from users of
> monitor vm_events of spurious guest crashes when using events. In particular,
> it has observed that the problem occurs when vm_events are being disabled.
For the last couple years we have received numerous reports from users of
monitor vm_events of spurious guest crashes when using events. In particular,
it has observed that the problem occurs when vm_events are being disabled. The
nature of the guest crash varied widely and has only occured
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