On 4/28/23 02:55, Cornelia Huck wrote:
Extend the 'mte' property for the virt machine to cover KVM as
well. For KVM, we don't allocate tag memory, but instead enable the
capability.
If MTE has been enabled, we need to disable migration, as we do not
yet have a way to migrate the tags as well. Th
On Fri, 28 Apr 2023 at 10:55, Cornelia Huck wrote:
>
> Extend the 'mte' property for the virt machine to cover KVM as
> well. For KVM, we don't allocate tag memory, but instead enable the
> capability.
>
> If MTE has been enabled, we need to disable migration, as we do not
> yet have a way to migr
On 5/4/23 16:01, Cornelia Huck wrote:
I'm wondering whether we should block migration with MTE enabled in
general... OTOH, people probably don't commonly try to migrate with tcg,
unless they are testing something?
Yes, savevm/loadvm is an extremely useful tcg debugging tool.
r~
On Tue, May 02 2023, Richard Henderson wrote:
> On 5/2/23 10:03, Cornelia Huck wrote:
>> Has anyone been able to access a real system with MTE? (All the systems
>> where I had hoped that MTE would be available didn't have MTE in the end
>> so far, so I'd be interested to hear if anybody else alre
On 5/2/23 10:03, Cornelia Huck wrote:
Has anyone been able to access a real system with MTE? (All the systems
where I had hoped that MTE would be available didn't have MTE in the end
so far, so I'd be interested to hear if anybody else already got to play
with one.) Honestly, I don't want to even
Cornelia Huck wrote:
> On Mon, May 01 2023, Richard Henderson wrote:
>
>> On 4/28/23 18:50, Juan Quintela wrote:
>>> Pardon my ignorance here, but to try to help with migration. How is
>>> this mte tag stored?
>>> - 1 array of 8bits per page of memory
>>> - 1 array of 64bits per page of memory
>
On Mon, May 01 2023, Richard Henderson wrote:
> On 4/28/23 18:50, Juan Quintela wrote:
>> Pardon my ignorance here, but to try to help with migration. How is
>> this mte tag stored?
>> - 1 array of 8bits per page of memory
>> - 1 array of 64bits per page of memory
>> - whatever
>>
>> Lets asume
On 4/28/23 18:50, Juan Quintela wrote:
Pardon my ignorance here, but to try to help with migration. How is
this mte tag stored?
- 1 array of 8bits per page of memory
- 1 array of 64bits per page of memory
- whatever
Lets asume that it is 1 byte per page. For the explanation it don't
matter, onl
Cornelia Huck wrote:
> Extend the 'mte' property for the virt machine to cover KVM as
> well. For KVM, we don't allocate tag memory, but instead enable the
> capability.
>
> If MTE has been enabled, we need to disable migration,
And I was wondering why I was cc'd in a patch that talks about arm,
Extend the 'mte' property for the virt machine to cover KVM as
well. For KVM, we don't allocate tag memory, but instead enable the
capability.
If MTE has been enabled, we need to disable migration, as we do not
yet have a way to migrate the tags as well. Therefore, MTE will stay
off with KVM unles
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