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

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Message-ID: <87shmdjx4u.fsf@concordia.ellerman.id.au>
Date:   Thu, 16 Mar 2017 22:09:53 +1100
From:   Michael Ellerman <mpe@...erman.id.au>
To:     Linus Torvalds <torvalds@...ux-foundation.org>,
        Kyle Huey <me@...ehuey.com>
Cc:     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>,
        user-mode-linux-user@...ts.sourceforge.net,
        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

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