From: Joerg Roedel
MMIO memory is usually not mapped encrypted, so there is no reason to
support emulated MMIO when it is mapped encrypted.
Prevent a possible hypervisor attack where a RAM page is mapped as
an MMIO page in the nested page-table, so that any guest access to it
will trigger a #VC
On 10/28/20 11:46 AM, Joerg Roedel wrote:
> From: Joerg Roedel
>
> MMIO memory is usually not mapped encrypted, so there is no reason to
> support emulated MMIO when it is mapped encrypted.
>
> Prevent a possible hypervisor attack where a RAM page is mapped as
> an MMIO page in the nested
2 matches
Mail list logo
