linux-kernel - Re: [PATCH v8 24/40] x86/compressed/acpi: move EFI system table lookup to helper

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Date:   Tue, 11 Jan 2022 16:59:49 +0800
From:   Chao Fan <fanchao.njupt@...il.com>
To:     Michael Roth <michael.roth@....com>
Cc:     Dave Hansen <dave.hansen@...el.com>, fanc.fnst@...fujitsu.com,
        j-nomura@...jp.nec.com, bp@...e.de,
        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,
        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>,
        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 24/40] x86/compressed/acpi: move EFI system table
 lookup to helper

Hi, I am this Chao Fan, and <fanc.fnst@...fujitsu.com> won't be used again.
Please add me with fanchao.njupt@...il.com
Many thanks.

Thanks,
Chao Fan

Michael Roth <michael.roth@....com> 于2021年12月14日周二 11:46写道：
>
> On Fri, Dec 10, 2021 at 10:54:35AM -0800, Dave Hansen wrote:
> > On 12/10/21 7:43 AM, Brijesh Singh wrote:
> > > +/*
> > > + * Helpers for early access to EFI configuration table
> > > + *
> > > + * Copyright (C) 2021 Advanced Micro Devices, Inc.
> > > + *
> > > + * Author: Michael Roth <michael.roth@....com>
> > > + */
> >
> > It doesn't seem quite right to slap this copyright on a file that's full
> > of content that came from other files.  It would be one thing if
> > arch/x86/boot/compressed/acpi.c had this banner in it already.  Also, a
>
> Yah, acpi.c didn't have any copyright banner so I used my 'default'
> template for new files here to cover any additions, but that does give
> a misleading impression.
>
> I'm not sure how this is normally addressed, but I'm planning on just
> continuing the acpi.c tradition of *not* adding copyright notices for new
> code, and simply document that the contents of the file are mostly movement
> from acpi.c
>
> > arch/x86/boot/compressed/acpi.c had this banner in it already.  Also, a
> > bunch of the lines in this file seem to come from:
> >
> >       commit 33f0df8d843deb9ec24116dcd79a40ca0ea8e8a9
> >       Author: Chao Fan <fanc.fnst@...fujitsu.com>
> >       Date:   Wed Jan 23 19:08:46 2019 +0800
>
> AFAICT the full author list for the changes in question are, in
> alphabetical order:
>
>   Chao Fan <fanc.fnst@...fujitsu.com>
>   Junichi Nomura <j-nomura@...jp.nec.com>
>   Borislav Petkov <bp@...e.de>
>
> Chao, Junichi, Borislav,
>
> If you would like to be listed as an author in efi.c (which is mainly just a
> movement of EFI config table parsing code from acpi.c into re-usable helper
> functions in efi.c), please let me know and I'll add you.
>
> Otherwise, I'll plan on adopting the acpi.c precedent for this as well, which
> is to not list individual authors, since it doesn't seem right to add Author
> fields retroactively without their permission.