> [adding Daniel to CC]
> > Daniel suggested that elsewhere in the thread and of course it's an
> > appealing proposition, as it would keep complexity down and unify
> > handling across CVM use cases.
> >
> > However I wonder if changing things would break migration for
> > existing SEV(-ES) guest
Hi,
> Assuming that
>
> * the need to use -bios for SEV-SNP is intended;
Yes. SEV-SNP (and TDX too) are by design incompatible with pflash
emulation. Both do not allow the host change guest memory layout
after launch, and pflash needs to do that to switch between reading
mode and programmi
On Fri, Mar 29, 2024 at 10:19:09AM +, Bernhard Beschow wrote:
>
> In theory you could pass `-M acpi=off` to not instantiate the PIIX4
> ACPI function, essentially turning the Frankenstein-PIIX4 SB into a
> PIIX3. However, this also removes SMI registers used by SeaBIOS to
> handle SMM setup wh
On Tue, Mar 26, 2024 at 01:30:48PM +, Mark Cave-Ayland wrote:
> Heh I've actually been using isapc over the past couple of weeks to fire up
> some old programs in a Windows 3 VM :)
I'm wondering why these use cases can't simply use the 'pc' machine
type?
The early pci chipsets of the 90-ies h
