linux-kernel - Re: [PATCH 0/4][RFC] netns: sysfs: add a netns suffix to net device sysfs entries

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Date:	Wed, 22 Oct 2008 12:59:29 -0700
From:	ebiederm@...ssion.com (Eric W. Biederman)
To:	Benjamin Thery <benjamin.thery@...l.net>
Cc:	netdev <netdev@...r.kernel.org>, Dave Miller <davem@...emloft.net>,
	Greg Kroah-Hartman <gregkh@...e.de>,
	Al Viro <viro@....linux.org.uk>,
	Serge Hallyn <serue@...ibm.com>,
	Daniel Lezcano <dlezcano@...ibm.com>,
	linux-kernel@...r.kernel.org, Tejun Heo <htejun@...il.com>,
	Denis Lunev <den@...nvz.org>,
	Linux Containers <containers@...ts.linux-foundation.org>
Subject: Re: [PATCH 0/4][RFC] netns: sysfs: add a netns suffix to net device sysfs entries

Benjamin Thery <benjamin.thery@...l.net> writes:

> Support for network namespaces in mainline is pretty complete for
> some time now, but there is still this issue with sysfs that prevents 
> more people to use it easily.

Ben your patchset is completely inappropriate.

Temporarily adding elements to the ABI that we intend to remove
is not a proper solution to this problem.

That user space visible ida you add is a namespace identifier that breaks
nested containers and migration.  It is very very very wrong.

Eric

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