On 02/03/18 11:34, Jan Beulich wrote:
On 01.03.18 at 20:21, wrote:
>> On 08/02/18 09:20, Jan Beulich wrote:
>> On 07.02.18 at 20:35, wrote:
On 07/02/18 16:12, Jan Beulich wrote:
> I'm not sure why I didn't do this right away: By avoiding the use of
> global PTEs in the clone
>>> On 01.03.18 at 20:21, wrote:
> On 08/02/18 09:20, Jan Beulich wrote:
> On 07.02.18 at 20:35, wrote:
>>> On 07/02/18 16:12, Jan Beulich wrote:
I'm not sure why I didn't do this right away: By avoiding the use of
global PTEs in the cloned directmap, there's no need to fiddle with
On 08/02/18 09:20, Jan Beulich wrote:
On 07.02.18 at 20:35, wrote:
>> On 07/02/18 16:12, Jan Beulich wrote:
>>> I'm not sure why I didn't do this right away: By avoiding the use of
>>> global PTEs in the cloned directmap, there's no need to fiddle with
>>> CR4.PGE on any of the entry paths. O
>>> On 07.02.18 at 20:35, wrote:
> On 07/02/18 16:12, Jan Beulich wrote:
>> I'm not sure why I didn't do this right away: By avoiding the use of
>> global PTEs in the cloned directmap, there's no need to fiddle with
>> CR4.PGE on any of the entry paths. Only the exit paths need to flush
>> global
On 07/02/18 16:12, Jan Beulich wrote:
> I'm not sure why I didn't do this right away: By avoiding the use of
> global PTEs in the cloned directmap, there's no need to fiddle with
> CR4.PGE on any of the entry paths. Only the exit paths need to flush
> global mappings.
>
> The reduced flushing, howe
I'm not sure why I didn't do this right away: By avoiding the use of
global PTEs in the cloned directmap, there's no need to fiddle with
CR4.PGE on any of the entry paths. Only the exit paths need to flush
global mappings.
The reduced flushing, however, implies that we now need to have
interrupts