On Wed, Oct 21, 2020 at 02:39:38PM +0200, 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.
>
> This prevents a possible hypervisor attack where it maps a RAM page as
From: Joerg Roedel
MMIO memory is usually not mapped encrypted, so there is no reason to
support emulated MMIO when it is mapped encrypted.
This prevents a possible hypervisor attack where it maps a RAM page as
an MMIO page in the nested page-table, so that any guest access to it
will trigger a
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