From: Evgeniy Polyakov <zbr@ioremap.net>
To: Ken-ichirou MATSUZAWA <chamas@h4.dion.ne.jp>
Cc: drbd-dev@lists.linbit.com
Subject: Re: [Drbd-dev] DRBD on container, lxc
Date: Mon, 21 Mar 2011 08:27:00 +0300 [thread overview]
Message-ID: <20110321052700.GA13236@ioremap.net> (raw)
In-Reply-To: <87vczde0rg.wl%chamas@h4.dion.ne.jp>
Hi.
On Mon, Mar 21, 2011 at 10:10:59AM +0900, Ken-ichirou MATSUZAWA (chamas@h4.dion.ne.jp) wrote:
> I did not know where I should post, here is my starting point. I
> started to try DRBD on lxc but did not work. I thought first thing
> to do is makeing connector to net namespace aware. Appended patch
> may have many issue but I noticed only a few though.
>
> First this does not add connector sock to struct net, but just
> holding sock as a list and send message to all net namespace. I
> referred lib/kobject_uevent.c
You are holding rcu lock during skb allocation, which is not permitted
for GFP_KERNEL, which may lead to a deadlock. Also netlink_broadcast()
may sleep if allocation policy permits.
--
Evgeniy Polyakov
next prev parent reply other threads:[~2011-03-21 8:51 UTC|newest]
Thread overview: 6+ messages / expand[flat|nested] mbox.gz Atom feed top
2011-03-21 1:10 [Drbd-dev] DRBD on container, lxc Ken-ichirou MATSUZAWA
2011-03-21 5:27 ` Evgeniy Polyakov [this message]
2011-03-21 12:27 ` Ken-ichirou MATSUZAWA
2011-03-21 22:21 ` Evgeniy Polyakov
2011-03-21 8:56 ` Lars Ellenberg
2011-03-21 12:40 ` Ken-ichirou MATSUZAWA
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