Re: [PATCH RFC v7 13/64] x86/cpufeatures: Add SEV-SNP CPU feature

From: Michael Roth
Date: Mon Feb 20 2023 - 11:43:32 EST


On Wed, Feb 01, 2023 at 07:39:32PM +0100, Borislav Petkov wrote:
> On Wed, Dec 14, 2022 at 01:40:05PM -0600, Michael Roth wrote:
> > From: Brijesh Singh <brijesh.singh@xxxxxxx>
> >
> > Add CPU feature detection for Secure Encrypted Virtualization with
> > Secure Nested Paging. This feature adds a strong memory integrity
> > protection to help prevent malicious hypervisor-based attacks like
> > data replay, memory re-mapping, and more.
> >
> > Link: https://lore.kernel.org/all/YrGINaPc3cojG6%2F3@xxxxxxx/
>
> That points to some review feedback I've given - dunno if it is
> relevant.
>
> > Signed-off-by: Brijesh Singh <brijesh.singh@xxxxxxx>
> > Signed-off-by: Jarkko Sakkinen <jarkko@xxxxxxxxxxx>
>
> I read this as Jarkko has handled this patch too. Is that the case?

Yes we shared some patches via an internal tree at some stages.

-Mike

>
> > Signed-off-by: Ashish Kalra <Ashish.Kalra@xxxxxxx>
> > Signed-off-by: Michael Roth <michael.roth@xxxxxxx>
>
> Those last two are ok - you took ovef from Ashish.
>
> Thx.
>
> --
> Regards/Gruss,
> Boris.
>
> https://people.kernel.org/tglx/notes-about-netiquette