linux-kernel - Re: [PATCH 57/89] sched/headers: Split <linux/sched/task

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Date:   Tue, 7 Feb 2017 10:54:54 +0100
From:   Geert Uytterhoeven <geert@...ux-m68k.org>
To:     Ingo Molnar <mingo@...nel.org>
Cc:     Linus Torvalds <torvalds@...ux-foundation.org>,
        Linux Kernel Mailing List <linux-kernel@...r.kernel.org>,
        Andrew Morton <akpm@...ux-foundation.org>,
        Mike Galbraith <efault@....de>,
        Oleg Nesterov <oleg@...hat.com>,
        Peter Zijlstra <peterz@...radead.org>,
        Thomas Gleixner <tglx@...utronix.de>
Subject: Re: [PATCH 57/89] sched/headers: Split <linux/sched/task_stack> out
 of <linux/sched.h>

Hi Ingo,

On Tue, Feb 7, 2017 at 10:45 AM, Ingo Molnar <mingo@...nel.org> wrote:
> * Geert Uytterhoeven <geert@...ux-m68k.org> wrote:
>> On Tue, Feb 7, 2017 at 9:13 AM, Ingo Molnar <mingo@...nel.org> wrote:
>> > * Geert Uytterhoeven <geert@...ux-m68k.org> wrote:
>> >> On Mon, Feb 6, 2017 at 10:54 PM, Ingo Molnar <mingo@...nel.org> wrote:
>> >> > Wondering why Git allowed me to be so stupid with those leftover merge markers.
>> >> > Git usually doesn't even allow me to commit them so I have these tuned out as a
>> >> > possibility. This was just a regular git rebase -i flow, to back-merge fixes and
>> >> > reorder/squash patches - nothing fancy that I remember - only the occasional
>> >> > --onto option. I'm using Git 2.7.4.
>> >>
>> >> Git complains about the merge conflicts, and refuses to commit the result
>> >> as long as you haven't resolved them, but it will happily commit everything
>> >> you add using "git add -u", incl. merge markers.
>> >
>> > Hm, it should really force that via 'git add -f' or such. The merge markers are
>> > _very_ infrequent as naturally occuring source code lines even on a per line basis
>> > - and especially the combination of them should be exceedingly unique.
>>
>> They were very infrequent, until we switched to RST for documentation,
>> causing false positives when searching for "^[<=>].*" in vim...
>
> But the exact merge conflict pattern is generated by Git, and it's far more
> specific than the "^[<=>].*" pattern, right?

Sure, but my fingers have memorized the above pattern ;-)

> So it should be possible to disambiguate?

Except for the cases where there are exactly 7 consecutive equals signs
at the beginning of a line in the RST sources.

>> > I frequently use:
>> >
>> >         git add $(git ls-files -m)
>>
>> That's identical to "git add -u", right?
>
> Indeed, I'm bad at remembering one letter shortcuts: why is what is '-m' in
> git-ls-files called '-u' in git-add? ;-)
>
> BTW., would 'git add -u' have prevented my mistake?

No, AFAIK.

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