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

[Michael Roth]

On Mon, Feb 20, 2023 at 06:50:09PM +0100, Borislav Petkov wrote:
> On Mon, Feb 20, 2023 at 10:26:47AM -0600, Michael Roth wrote:
> > 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.
> 
> In the sense that, he took Brijesh's patch, then he did something with
> it(?) and then Ashish took it from him and then you took it from Ashish?

Yes, I think he rebased Ashish's tree on a newer tree and added his SoB on
patches that required any conflict resolutions or changes on his end, so
we kept those intact since then.

-Mike

> 
> This is how I'm reading this SOB chain at least...
> 
> -- 
> Regards/Gruss,
>     Boris.
> 
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