From mboxrd@z Thu Jan  1 00:00:00 1970
From: Johannes Berg <johannes@sipsolutions.net>
Subject: Re: [PATCH] wireless extensions: play with netns
Date: Thu, 18 Jun 2009 02:35:21 +0200
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Cc: John Linville <linville@tuxdriver.com>,
	Netdev <netdev@vger.kernel.org>,
	linux-wireless <linux-wireless@vger.kernel.org>,
	"Eric W. Biederman" <ebiederm@aristanetworks.com>,
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To: "Eric W. Biederman" <ebiederm@xmission.com>
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On Wed, 2009-06-17 at 17:27 -0700, Eric W. Biederman wrote:

> > Subject: genetlink: make netns aware
> >
> > This makes generic netlink network namespace aware.
> > No actual generic netlink families are made namespace
> > aware, they need to be checked one by one and then
> > set the family->netnsok member to true.
>=20
> Are skb_clone and nlmsg_multicast really guaranteed not to sleep?

Yes, definitely, we call them in atomic callbacks already in various
places. There are many callers that use the existing genlmsg_multicast()
in atomic contexts.

johannes

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