linux-kernel - Re: [PATCH] netns: Coexist with the sysfs limitations

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Message-ID: <20081022212124.GA9910@us.ibm.com>
Date:	Wed, 22 Oct 2008 16:21:24 -0500
From:	"Serge E. Hallyn" <serue@...ibm.com>
To:	"Eric W. Biederman" <ebiederm@...ssion.com>
Cc:	Benjamin Thery <benjamin.thery@...l.net>,
	netdev <netdev@...r.kernel.org>,
	Dave Miller <davem@...emloft.net>,
	Greg Kroah-Hartman <gregkh@...e.de>,
	Al Viro <viro@....linux.org.uk>,
	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] netns: Coexist with the sysfs limitations

Quoting Eric W. Biederman (ebiederm@...ssion.com):
> 
> To make testing of the network namespace simpler allow
> the network namespace code and the sysfs code to be
> compiled and run at the same time.  To do this only
> virtual devices are allowed in the additional network
> namespaces and those virtual devices are not placed
> in the kobject tree.
> 
> Since virtual devices don't actually do anything interesting
> hardware wise that needs device management there should
> be no loss in keeping them out of the kobject tree and
> by implication sysfs.  The gain in ease of testing
> and code coverage should be significant.
> 
> I.e. people running distributions that make it next to
> impossible to boot without sysfs should at be able to
> boot a test kernel now.
> 
> Plus no ABIs are harmed with this patch.
> 
> Signed-off-by: Eric W. Biederman <ebiederm@...ssion.com>

Duh.

Tested-by: Serge Hallyn <serue@...ibm.com>
Acked-by: Serge Hallyn <serue@...ibm.com>

Thanks, Eric!  Thanks, Benjamin!

-serge
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