Re: [PATCH 2/3] x86/sev: Remove obsolete virtual address check

[Eric Biggers <ebiggers@kernel.org>]

On Wed, Jul 22, 2026 at 12:01:43PM +0200, Ard Biesheuvel wrote:
> 
> 
> On Wed, 22 Jul 2026, at 04:53, Eric Biggers wrote:
> > Virtual addresses used with the AES-GCM library don't have to be in the
> > linear mapping.  Remove the virt_addr_valid() checks from
> > snp_send_guest_request(), which were a workaround left over from when
> > this code used crypto_aead, which required scatterlists.
> >
> > Signed-off-by: Eric Biggers <ebiggers@kernel.org>
> > ---
> >  arch/x86/coco/sev/core.c | 9 ---------
> >  1 file changed, 9 deletions(-)
> >
> 
> Link: https://lore.kernel.org/all/20251010151036.42241-2-ardb+git@google.com/
> 

Thanks, I completely missed that.  Looks like the usual issue where
people were attached to workarounds even after the underlying problem
was fixed.  In the end, Alexey gave Reviewed-by and Tested-by on the
exact same diff, just it never got applied.  Alexey, would you mind if I
add those tags to this patch too?  Thanks!

- Eric