On Sat, 5 Aug 2023 at 23:07, Borislav Petkov <bp@xxxxxxxxx> wrote:
>
> On Sat, Aug 05, 2023 at 07:37:17PM +0200, Ard Biesheuvel wrote:
> > So this is the host booting, right?
>
> Yes.
>
> > So is the position of the C bit perhaps getting detect incorrectly?
>
> I don't know yet. But the evildoer is someone else:
>
> 02d47ce2ae02 ("x86/head_64: Store boot_params pointer in callee save register")
>
> after bisection. More staring later as to why...
>
How bizarre.
But that was a bonus patch anyway, so we could just drop it for now.
