linux-kernel - Re: [PATCH v9 23/43] KVM: x86: Move lookup of indexed CPUID leafs to helper

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Message-ID: <Yf50bG0N+PYK07lq@zn.tnic>
Date:   Sat, 5 Feb 2022 13:58:20 +0100
From:   Borislav Petkov <bp@...en8.de>
To:     Michael Roth <michael.roth@....com>
Cc:     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>,
        Vlastimil Babka <vbabka@...e.cz>,
        "Kirill A . Shutemov" <kirill@...temov.name>,
        Andi Kleen <ak@...ux.intel.com>,
        "Dr . David Alan Gilbert" <dgilbert@...hat.com>,
        brijesh.ksingh@...il.com, tony.luck@...el.com, marcorr@...gle.com,
        sathyanarayanan.kuppuswamy@...ux.intel.com,
        Venu Busireddy <venu.busireddy@...cle.com>,
        Greg KH <gregkh@...uxfoundation.org>
Subject: Re: [PATCH v9 23/43] KVM: x86: Move lookup of indexed CPUID leafs to
 helper

On Thu, Feb 03, 2022 at 10:44:43AM -0600, Michael Roth wrote:
> I think Dave's main concern was that I'd added an AMD copyright banner
> to a new file that was mostly derived from acpi.c. I thought we had some
> agreement on simply adopting the file-wide copyright banner of whatever
> source file the new one was derived from, since dropping an existing
> copyright seemed similarly in bad taste,...

Well, I think simply saying where this function was carved out from:

	arch/x86/kvm/cpuid.c

is good enough. If someone is so much interested in a copyright, someone
can read that file's copyright. Especially since that copyright line
in the original file is not telling you a whole lot about who are all
copyright owners.

And before we delve into lawyer-land, let's simply point to where we got
this from and be done with it.

Thx.

-- 
Regards/Gruss,
    Boris.

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