linux-kernel - Re: [PATCH v8 00/40] Add AMD Secure Nested Paging (SEV-SNP) Guest Support

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Message-ID: <b22e13f3-aaaa-812f-da8f-838da9cd2e92@intel.com>
Date:   Fri, 10 Dec 2021 12:17:03 -0800
From:   Dave Hansen <dave.hansen@...el.com>
To:     Brijesh Singh <brijesh.singh@....com>, x86@...nel.org,
        linux-kernel@...r.kernel.org, kvm@...r.kernel.org,
        linux-efi@...r.kernel.org, platform-driver-x86@...r.kernel.org,
        linux-coco@...ts.linux.dev, linux-mm@...ck.org
Cc:     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>,
        Sean Christopherson <seanjc@...gle.com>,
        Vitaly Kuznetsov <vkuznets@...hat.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>,
        "Dr . David Alan Gilbert" <dgilbert@...hat.com>,
        tony.luck@...el.com, marcorr@...gle.com,
        sathyanarayanan.kuppuswamy@...ux.intel.com
Subject: Re: [PATCH v8 00/40] Add AMD Secure Nested Paging (SEV-SNP) Guest
 Support

On 12/10/21 7:42 AM, Brijesh Singh wrote:
> The series is based on tip/master
>   7f32a31b0a34 (origin/master, origin/HEAD) Merge branch into tip/master: 'core/entry'

FWIW, this is rather useless since tip/master gets rebased all the time.
 Also, being a merge commit, it's rather impossible to even infer which
commit this might have been near.

Personally, I like to take my series', tag them, then throw them out in
a public git tree somewhere.  That has two advantages.  First, it makes
it easy for a reviewer to look at the series as a whole in its applied
state.  Second, it makes it utterly trivial to figure out where the
series was based because the entire history is there.  The entire
history will be there even if you based it off some tip branch that got
rebased away since.