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

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Message-ID: <CAMuHMdUtJbLHGZr+y_pDNY=HSjCaa5if5Ma8Ps1sKwuXJB0hjw@mail.gmail.com>
Date:   Fri, 17 Mar 2017 08:56:07 +0100
From:   Geert Uytterhoeven <geert@...ux-m68k.org>
To:     Linus Torvalds <torvalds@...ux-foundation.org>
Cc:     Kyle Huey <me@...ehuey.com>, Michael Ellerman <mpe@...erman.id.au>,
        "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

Hi Linus,

On Thu, Mar 16, 2017 at 7:23 PM, Linus Torvalds
<torvalds@...ux-foundation.org> wrote:
> On Thu, Mar 16, 2017 at 7:30 AM, Kyle Huey <me@...ehuey.com> wrote:
>> On Thu, Mar 16, 2017 at 4:09 AM, Michael Ellerman <mpe@...erman.id.au> wrote:
>>>
>>> Presumably he's done:
>>>
>>> $ git config diff.context 8
>>
>> 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.
>
> You can make those kinds of options per-repository rather than
> user-global, so you can keep the 8-line thing for firefox without
> having it for the kernel.
>
> Not that it *hurts* for the kernel, but it just looked odd to me
> because the patch looked so much bigger. More context lines can
> obviously help with ambiguous cases, but we very seldom have that kind
> of ambiguity.

Having a larger default for DTS source files could be a good idea, though.
I regularly use -U10 to verify DTS patches were applied correctly.

Gr{oetje,eeting}s,

                        Geert

--
Geert Uytterhoeven -- There's lots of Linux beyond ia32 -- geert@...ux-m68k.org

In personal conversations with technical people, I call myself a hacker. But
when I'm talking to journalists I just say "programmer" or something like that.
                                -- Linus Torvalds