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

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Message-ID: <20220409234458.ysisolzd7hktpfjc@box.shutemov.name>
Date:   Sun, 10 Apr 2022 02:44:58 +0300
From:   "Kirill A. Shutemov" <kirill@...temov.name>
To:     Dave Hansen <dave.hansen@...el.com>
Cc:     "Kirill A. Shutemov" <kirill.shutemov@...ux.intel.com>,
        Borislav Petkov <bp@...en8.de>,
        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>,
        Tom Lendacky <thomas.lendacky@....com>,
        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 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.

-- 
 Kirill A. Shutemov