On Mon, Aug 24, 2020 at 10:54:40AM +0200, Joerg Roedel wrote:
> From: Joerg Roedel
>
> Allocate and map an IST stack and an additional fall-back stack for
> the #VC handler. The memory for the stacks is allocated only when
> SEV-ES is active.
>
> The #VC handler needs to use an IST stack
From: Joerg Roedel
Allocate and map an IST stack and an additional fall-back stack for
the #VC handler. The memory for the stacks is allocated only when
SEV-ES is active.
The #VC handler needs to use an IST stack because it could be raised
from kernel space with unsafe stack, e.g. in the