linux-kernel - Re: [Devel] [PATCH] pidns: Place under CONFIG

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Message-ID: <20071027002448.GH30533@stusta.de>
Date:	Sat, 27 Oct 2007 02:24:49 +0200
From:	Adrian Bunk <bunk@...nel.org>
To:	"Eric W. Biederman" <ebiederm@...ssion.com>
Cc:	Kir Kolyshkin <kir@...oft.com>, containers@...ts.osdl.org,
	akpm@...ux-foundation.org, linux-kernel@...r.kernel.org,
	torvalds@...ux-foundation.org, kir@...nvz.org
Subject: Re: [Devel] [PATCH] pidns: Place under CONFIG_EXPERIMENTAL (take 2)

On Fri, Oct 26, 2007 at 03:59:29PM -0600, Eric W. Biederman wrote:
> "Kir Kolyshkin" <kir@...oft.com> writes:
> 
> > Eric,
> >
> > Could you please hold off the horses a bit and wait till Pavel Emelyanov
> > returns? It means next Monday; he's currently at a conference whose organisers
> > don't provide internet access.
> 
> When we decided to go top down (i.e. user interface first) instead of
> bottom up with the pid namespace implementation it was my
> understanding that we had agreed we would make the pid namespaces
> depend on CONFIG_EXPERIMENTAL so that we wouldn't be stuck forever
> supporting early ABI mistakes.
>...

CONFIG_EXPERIMENTAL is a weak hint that some code might not (yet) be in 
a perfect state, but it does not have any semantics regarding
userspace ABIs.

A dependency on BROKEN seems more appropriate.

> Eric

cu
Adrian

-- 

       "Is there not promise of rain?" Ling Tan asked suddenly out
        of the darkness. There had been need of rain for many days.
       "Only a promise," Lao Er said.
                                       Pearl S. Buck - Dragon Seed

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