linux-kernel - Re: [PATCH v15 6/9] x86/arch_prctl: Add ARCH_[GET|SET]

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Message-ID: <CAP045ArvvVVNOLDzMp=B_1AMsRBb9n2qkChkdB7gaEscTOh4Xg@mail.gmail.com>
Date:   Thu, 16 Mar 2017 07:30:42 -0700
From:   Kyle Huey <me@...ehuey.com>
To:     Michael Ellerman <mpe@...erman.id.au>
Cc:     Linus Torvalds <torvalds@...ux-foundation.org>,
        "Robert O'Callahan" <robert@...llahan.org>,
        Thomas Gleixner <tglx@...utronix.de>,
        Andy Lutomirski <luto@...nel.org>,
        Ingo Molnar <mingo@...hat.com>,
        "H. Peter Anvin" <hpa@...or.com>,
        "the arch/x86 maintainers" <x86@...nel.org>,
        Paolo Bonzini <pbonzini@...hat.com>,
        Radim Krčmář <rkrcmar@...hat.com>,
        Jeff Dike <jdike@...toit.com>,
        Richard Weinberger <richard@....at>,
        Alexander Viro <viro@...iv.linux.org.uk>,
        Shuah Khan <shuah@...nel.org>,
        Dave Hansen <dave.hansen@...ux.intel.com>,
        Borislav Petkov <bp@...e.de>,
        Peter Zijlstra <peterz@...radead.org>,
        Boris Ostrovsky <boris.ostrovsky@...cle.com>,
        Len Brown <len.brown@...el.com>,
        Dmitry Safonov <dsafonov@...tuozzo.com>,
        "Rafael J. Wysocki" <rafael.j.wysocki@...el.com>,
        David Matlack <dmatlack@...gle.com>,
        Nadav Amit <nadav.amit@...il.com>,
        Andi Kleen <andi@...stfloor.org>,
        Linux Kernel Mailing List <linux-kernel@...r.kernel.org>,
        uml-devel <user-mode-linux-devel@...ts.sourceforge.net>,
        "open list:USER-MODE LINUX (UML)" 
        <user-mode-linux-user@...ts.sourceforge.net>,
        "open list:KERNEL SELFTEST FRAMEWORK" 
        <linux-kselftest@...r.kernel.org>, KVM list <kvm@...r.kernel.org>
Subject: Re: [PATCH v15 6/9] x86/arch_prctl: Add ARCH_[GET|SET]_CPUID

On Thu, Mar 16, 2017 at 4:09 AM, Michael Ellerman <mpe@...erman.id.au> wrote:
> Linus Torvalds <torvalds@...ux-foundation.org> writes:
>
>> Kyle,
>>  your patch format is really odd.
>>
>> You seem to have *eight* lines of context rather than the regular 3.
>> Is there any reason for that oddity?
>>
>> It basically means that a one-line hunk ends up being 17 lines of
>> unified diff rather than 7.
>
> Presumably he's done:
>
> $ git config diff.context 8
>
>
> Which I also did at one point because I thought it might help for
> reading diffs, but reverted after realising it also affects the diffs
> that are generated by format-patch etc.
>
> cheers

Indeed.  In my case it dates back to my days hacking on Firefox, which
wants 8 lines of context for patches.  I'll remove it.

- Kyle