On Thu, Mar 28, 2024 at 08:45:03AM +0800, Xiaoyao Li wrote:
> On 3/21/2024 2:12 AM, Isaku Yamahata wrote:
> > On Wed, Mar 20, 2024 at 03:39:44AM -0500,
> > Michael Roth wrote:
> >
> > > TODO: make this SNP-specific if TDX disables legacy ROMs in general
> >
> > TDX disables pc.rom, not disable
On 3/21/2024 2:12 AM, Isaku Yamahata wrote:
On Wed, Mar 20, 2024 at 03:39:44AM -0500,
Michael Roth wrote:
TODO: make this SNP-specific if TDX disables legacy ROMs in general
TDX disables pc.rom, not disable isa-bios. IIRC, TDX doesn't need pc pflash.
Not TDX doesn't need pc pflash, but
On Wed, Mar 20, 2024 at 03:39:44AM -0500,
Michael Roth wrote:
> TODO: make this SNP-specific if TDX disables legacy ROMs in general
TDX disables pc.rom, not disable isa-bios. IIRC, TDX doesn't need pc pflash.
Xiaoyao can chime in.
Thanks,
>
> Current SNP guest kernels will attempt to access
TODO: make this SNP-specific if TDX disables legacy ROMs in general
Current SNP guest kernels will attempt to access these regions with
with C-bit set, so guest_memfd is needed to handle that. Otherwise,
kvm_convert_memory() will fail when the guest kernel tries to access it
and QEMU attempts to