linux-kernel - Re: [patch 019/233] proc: fix the threaded /proc/self

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Message-ID: <m1ve4zbasj.fsf@ebiederm.dsl.xmission.com>
Date:	Fri, 08 Feb 2008 10:47:08 -0700
From:	ebiederm@...ssion.com (Eric W. Biederman)
To:	"Guillaume Chazarain" <guichaz@...il.com>
Cc:	akpm@...ux-foundation.org, torvalds@...ux-foundation.org,
	ebiederm@...ssion.com, mingo@...e.hu, oleg@...sign.ru, rjw@...k.pl,
	roland@...hat.com, xemul@...nvz.org,
	"Linux Kernel Mailing List" <linux-kernel@...r.kernel.org>
Subject: Re: [patch 019/233] proc: fix the threaded /proc/self

"Guillaume Chazarain" <guichaz@...il.com> writes:

> On Feb 8, 2008 1:18 PM,  <akpm@...ux-foundation.org> wrote:
>> Long ago when the CLONE_THREAD support first went it someone thought it
>> would be wise to point /proc/self at /proc/<tgid> instead of /proc/<pid>.
>
> The last message about this conversation is:
>
> http://lkml.org/lkml/2007/12/1/172
>
> So I thought we would end up with a new file, in order to make the
> change discoverable.

Yes.  The above patch really is wrong.  There is at least one corner
case in procps that cares.

Andrew my apologies.  I noticed this earlier but forgot to ask you to
remove this from your tree.

Eric
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