linux-kernel - Re: [PATCH Part2 v5 39/45] KVM: SVM: Introduce ops for the post gfn map and unmap

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Message-ID: <YWdZUrpn5/JCz39R@google.com>
Date:   Wed, 13 Oct 2021 22:10:26 +0000
From:   Sean Christopherson <seanjc@...gle.com>
To:     Brijesh Singh <brijesh.singh@....com>
Cc:     x86@...nel.org, linux-kernel@...r.kernel.org, kvm@...r.kernel.org,
        linux-coco@...ts.linux.dev, linux-mm@...ck.org,
        linux-crypto@...r.kernel.org, Thomas Gleixner <tglx@...utronix.de>,
        Ingo Molnar <mingo@...hat.com>, Joerg Roedel <jroedel@...e.de>,
        Tom Lendacky <thomas.lendacky@....com>,
        "H. Peter Anvin" <hpa@...or.com>, Ard Biesheuvel <ardb@...nel.org>,
        Paolo Bonzini <pbonzini@...hat.com>,
        Vitaly Kuznetsov <vkuznets@...hat.com>,
        Wanpeng Li <wanpengli@...cent.com>,
        Jim Mattson <jmattson@...gle.com>,
        Andy Lutomirski <luto@...nel.org>,
        Dave Hansen <dave.hansen@...ux.intel.com>,
        Sergio Lopez <slp@...hat.com>, Peter Gonda <pgonda@...gle.com>,
        Peter Zijlstra <peterz@...radead.org>,
        Srinivas Pandruvada <srinivas.pandruvada@...ux.intel.com>,
        David Rientjes <rientjes@...gle.com>,
        Dov Murik <dovmurik@...ux.ibm.com>,
        Tobin Feldman-Fitzthum <tobin@....com>,
        Borislav Petkov <bp@...en8.de>,
        Michael Roth <michael.roth@....com>,
        Vlastimil Babka <vbabka@...e.cz>,
        "Kirill A . Shutemov" <kirill@...temov.name>,
        Andi Kleen <ak@...ux.intel.com>, tony.luck@...el.com,
        marcorr@...gle.com, sathyanarayanan.kuppuswamy@...ux.intel.com
Subject: Re: [PATCH Part2 v5 39/45] KVM: SVM: Introduce ops for the post gfn
 map and unmap

On Wed, Oct 13, 2021, Brijesh Singh wrote:
> 
> On 10/13/21 1:10 PM, Sean Christopherson wrote:
> > Side topic, what do you think about s/assigned/private for the "public" APIs, as
> > suggested/implied above?  I actually like the terminology when talking specifically
> > about the RMP, but it doesn't fit the abstractions that tend to be used when talking
> > about these things in other contexts, e.g. in KVM.
> 
> I can float the idea to see if docs folks is okay with the changes but
> generally speaking we all have been referring the assigned == private in
> the Linux SNP support patch.

Oh, I wasn't suggesting anything remotely close to an "official" change, it was
purely a suggestion for the host-side patches.  It might even be unique to this
one helper.