linux-kernel - Re: Odd ENOMEM being returned in 3.8-rcX

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Date:	Fri, 08 Feb 2013 14:40:13 -0800
From:	ebiederm@...ssion.com (Eric W. Biederman)
To:	Clark Williams <williams@...hat.com>
Cc:	Josh Boyer <jwboyer@...hat.com>,
	Andrew Morton <akpm@...ux-foundation.org>,
	Al Viro <viro@...iv.linux.org.uk>,
	Mel Gorman <mgorman@...e.de>, linux-kernel@...r.kernel.org
Subject: Re: Odd ENOMEM being returned in 3.8-rcX

Clark Williams <williams@...hat.com> writes:

> The more I look at that the more I think I should nuke CLONE_NEWPID in
> mock. It came in with a commit that added NEWIPC, which I think is valid
> for mock managing a chroot, but we're not looking to do full-up
> containers at this point and it looks like containers is the only place
> you'd want to start a new set of pids. 

Just taking the code out seems reasonable.  Howerver there is a
practical use for a pid namespace in a setup like mock.  A pid namespace
makes it so your sub processes can not reparent and get away from you,
which could be handy in case someone starts a system daemon in a post
install script.

Eric

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