On 20.02.2020 14:21, George Dunlap wrote:
> On 2/19/20 9:18 AM, Alexandru Stefan ISAILA wrote:
>> At this moment a guest can call vmfunc to change the altp2m view. This
>> should be limited in order to avoid any unwanted view switch.
>>
>> The new xc_altp2m_set_visibility() solves this by making
On 2/19/20 9:18 AM, Alexandru Stefan ISAILA wrote:
> At this moment a guest can call vmfunc to change the altp2m view. This
> should be limited in order to avoid any unwanted view switch.
>
> The new xc_altp2m_set_visibility() solves this by making views invisible
> to vmfunc.
> This is done by
On 20.02.2020 10:59, Alexandru Stefan ISAILA wrote:
> On 19.02.2020 19:00, Jan Beulich wrote:
>> On 19.02.2020 10:18, Alexandru Stefan ISAILA wrote:
>>> @@ -4835,6 +4836,23 @@ static int do_altp2m_op(
>>> break;
>>> }
>>>
>>> +case HVMOP_altp2m_set_visibility:
>>> +{
>>>
On 19.02.2020 19:00, Jan Beulich wrote:
> On 19.02.2020 10:18, Alexandru Stefan ISAILA wrote:
>> @@ -4835,6 +4836,23 @@ static int do_altp2m_op(
>> break;
>> }
>>
>> +case HVMOP_altp2m_set_visibility:
>> +{
>> +uint16_t altp2m_idx =
On 19.02.2020 18:37, Tamas K Lengyel wrote:
> On Wed, Feb 19, 2020 at 2:19 AM Alexandru Stefan ISAILA
> wrote:
>>
>> At this moment a guest can call vmfunc to change the altp2m view. This
>> should be limited in order to avoid any unwanted view switch.
>>
>> The new xc_altp2m_set_visibility()
On 19.02.2020 10:18, Alexandru Stefan ISAILA wrote:
> @@ -4835,6 +4836,23 @@ static int do_altp2m_op(
> break;
> }
>
> +case HVMOP_altp2m_set_visibility:
> +{
> +uint16_t altp2m_idx = a.u.set_visibility.altp2m_idx;
> +
> +if ( a.u.set_visibility.pad )
> +
On Wed, Feb 19, 2020 at 2:19 AM Alexandru Stefan ISAILA
wrote:
>
> At this moment a guest can call vmfunc to change the altp2m view. This
> should be limited in order to avoid any unwanted view switch.
>
> The new xc_altp2m_set_visibility() solves this by making views invisible
> to vmfunc.
>
At this moment a guest can call vmfunc to change the altp2m view. This
should be limited in order to avoid any unwanted view switch.
The new xc_altp2m_set_visibility() solves this by making views invisible
to vmfunc.
This is done by having a separate arch.altp2m_working_eptp that is
populated and
