On 29/09/17 19:32, Boris Ostrovsky wrote:
> On 09/29/2017 01:53 PM, Andrew Cooper wrote:
>> On AMD processors which support SMEP (Some Fam16h processors) and SMAP (Zen,
>> Fam17h), a guest which is running with shadow paging and clears CR0.PG while
>> keeping CR4.{SMEP,SMAP} set will livelock, as h
On 09/29/2017 01:53 PM, Andrew Cooper wrote:
> On AMD processors which support SMEP (Some Fam16h processors) and SMAP (Zen,
> Fam17h), a guest which is running with shadow paging and clears CR0.PG while
> keeping CR4.{SMEP,SMAP} set will livelock, as hardware raises #PF which the
> shadow pagetable
On AMD processors which support SMEP (Some Fam16h processors) and SMAP (Zen,
Fam17h), a guest which is running with shadow paging and clears CR0.PG while
keeping CR4.{SMEP,SMAP} set will livelock, as hardware raises #PF which the
shadow pagetable concludes shouldn't happen.
This occurs because har
