On Wed, Feb 10, 2021 at 04:12:25PM +0100, Joerg Roedel wrote: > Hi Konrad, > > On Wed, Feb 10, 2021 at 09:58:35AM -0500, Konrad Rzeszutek Wilk wrote: > > What GRUB versions are we talking about (CC-ing Daniel Kiper, who owns > > GRUB). > > I think this was about 32-bit GRUB builds used by distributions. I > personally tested it with a kernel which has EFI support disabled, in > this case the OVMF firmware will also boot into the startup_32 boot > path. I think I am missing something obvious here - but why would you want EFI support disabled? Or is the idea that "legacy" OSes can nicely run under AMD SEV? But since you are having a kernel patch that is not "legacy OS" anymore. > > > By 'some firmware' we talking SeaBIOS? > > No, SeaBIOS is not supported for SEV-ES, only OVMF has handling for #VC > so far. > > Regards, > > Joerg
