linux-kernel - Re: [PATCHv4 0/8] mm, x86/cc: Implement support for unaccepted memory

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Message-ID: <YmFODfWn8pBiSjFn@zn.tnic>
Date:   Thu, 21 Apr 2022 14:29:01 +0200
From:   Borislav Petkov <bp@...en8.de>
To:     "Kirill A. Shutemov" <kirill@...temov.name>,
        Tom Lendacky <thomas.lendacky@....com>,
        Michael Roth <michael.roth@....com>
Cc:     Dave Hansen <dave.hansen@...el.com>,
        "Kirill A. Shutemov" <kirill.shutemov@...ux.intel.com>,
        Andy Lutomirski <luto@...nel.org>,
        Sean Christopherson <seanjc@...gle.com>,
        Andrew Morton <akpm@...ux-foundation.org>,
        Joerg Roedel <jroedel@...e.de>,
        Ard Biesheuvel <ardb@...nel.org>,
        Andi Kleen <ak@...ux.intel.com>,
        Kuppuswamy Sathyanarayanan 
        <sathyanarayanan.kuppuswamy@...ux.intel.com>,
        David Rientjes <rientjes@...gle.com>,
        Vlastimil Babka <vbabka@...e.cz>,
        Thomas Gleixner <tglx@...utronix.de>,
        Peter Zijlstra <peterz@...radead.org>,
        Paolo Bonzini <pbonzini@...hat.com>,
        Ingo Molnar <mingo@...hat.com>,
        Varad Gautam <varad.gautam@...e.com>,
        Dario Faggioli <dfaggioli@...e.com>,
        Brijesh Singh <brijesh.singh@....com>,
        Mike Rapoport <rppt@...nel.org>,
        David Hildenbrand <david@...hat.com>, x86@...nel.org,
        linux-mm@...ck.org, linux-coco@...ts.linux.dev,
        linux-efi@...r.kernel.org, linux-kernel@...r.kernel.org
Subject: Re: [PATCHv4 0/8] mm, x86/cc: Implement support for unaccepted memory

On Sun, Apr 10, 2022 at 02:44:58AM +0300, Kirill A. Shutemov wrote:
> On Fri, Apr 08, 2022 at 10:02:13AM -0700, Dave Hansen wrote:
> > On 4/5/22 16:43, Kirill A. Shutemov wrote:
> > > Patches 1-6/7 are generic and don't have any dependencies on TDX. They
> > > should serve AMD SEV needs as well. TDX-specific code isolated in the
> > > last patch.
> > 
> > Oh, that's quite nice.  Are the SEV-SNP folks planning on using this?
> > If they are, acks/reviews would be much appreciated.
> 
> AMD folks tested one of previous revision and reported that it works, but
> I don't remember seeing the code that hook ups AMD implementation.

Yes, they will be using this eventually.

-- 
Regards/Gruss,
    Boris.

https://people.kernel.org/tglx/notes-about-netiquette