linux-kernel - Re: [GIT PULL] ext4 changes for 3.15

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Date:	Mon, 7 Apr 2014 22:25:30 +0200
From:	Geert Uytterhoeven <geert@...ux-m68k.org>
To:	"Theodore Ts'o" <tytso@....edu>,
	Miklos Szeredi <miklos@...redi.hu>, Jan Kara <jack@...e.cz>,
	Linus Torvalds <torvalds@...ux-foundation.org>,
	Linux Kernel Mailing List <linux-kernel@...r.kernel.org>,
	"linux-ext4@...r.kernel.org" <linux-ext4@...r.kernel.org>,
	Al Viro <viro@...iv.linux.org.uk>
Subject: Re: [GIT PULL] ext4 changes for 3.15

On Mon, Apr 7, 2014 at 4:07 PM, Theodore Ts'o <tytso@....edu> wrote:
> On Mon, Apr 07, 2014 at 03:15:36PM +0200, Miklos Szeredi wrote:
>> >
>> > Is there anything obvious that I might be doing wrong?
>>
>> I only wired up the syscall for x86_64.   Who's responsible for adding
>> all the syscall tables for the various architectures?
>
> Ah, and I was testing with i386, not x86_64, so that it explains that.
>
> It's been quite a while since I've worked to add a new system call,
> but my impressure is that in general the person who creates the new
> system call needs to reach out to the architecture maintainers
> (preferably with a patch :-), since otherwise the architecture

Preferably the creator of the new system call emails linux-arch.
Patches are always nice to have, but they may cause conflicts w.r.t.
syscall numbering.

> maintainers would have no idea that a new syscall has been added.

If i386 has the new syscall, scripts/checksyscalls.sh will catch it and
inform us about it during our next kernel build.

If you add it to x86_64 only, bad luck for anyone else ;-)

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
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