linux-kernel - Re: [PATCHv3 8/8] cgroup: Add documentation for cgroup namespaces

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Message-ID: <87oap1qbv3.fsf@x220.int.ebiederm.org>
Date:	Tue, 10 Feb 2015 23:02:40 -0600
From:	ebiederm@...ssion.com (Eric W. Biederman)
To:	"Serge E. Hallyn" <serge@...lyn.com>
Cc:	Tejun Heo <tj@...nel.org>, Richard Weinberger <richard@....at>,
	Linux API <linux-api@...r.kernel.org>,
	Linux Containers <containers@...ts.linux-foundation.org>,
	Serge Hallyn <serge.hallyn@...ntu.com>,
	"linux-kernel\@vger.kernel.org" <linux-kernel@...r.kernel.org>,
	Andy Lutomirski <luto@...capital.net>,
	cgroups mailinglist <cgroups@...r.kernel.org>,
	Ingo Molnar <mingo@...hat.com>
Subject: Re: [PATCHv3 8/8] cgroup: Add documentation for cgroup namespaces


A slightly off topic comment, for where this thread has gone but
relevant if we are talking about cgroup namespaces.

If don't implement compatibility with existing userspace, they get a
nack.  A backwards-incompatible change should figure out how to remove
the need for any namespaces.

Because that is what namespaces are about backwards compatibility.

Eric
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