From: ebiederman@lnxi.com (Eric W. Biederman)
To: "Michael S. Tsirkin" <mst@dev.mellanox.co.il>
Cc: Alexey Kuznetsov <kuznet@ms2.inr.ac.ru>,
netdev@vger.kernel.org,
Linux Kernel Mailing List <linux-kernel@vger.kernel.org>,
general@lists.openfabrics.org
Subject: Re: [ofa-general] Re: dst_ifdown breaks infiniband?
Date: Sun, 18 Mar 2007 16:24:23 -0600 [thread overview]
Message-ID: <m3tzwi8a20.fsf@maxwell.lnxi.com> (raw)
In-Reply-To: <20070318202559.GD11078@mellanox.co.il> (Michael S. Tsirkin's message of "Sun, 18 Mar 2007 22:25:59 +0200")
"Michael S. Tsirkin" <mst@dev.mellanox.co.il> writes:
>> > Why is neighbour->dev changed here?
>>
>> It holds reference to device and prevents its destruction.
>> If dst is held somewhere, we cannot destroy the device and deadlock
>> while unregister.
>
> BTW, can this ever happen for the loopback device itself?
> Is it ever unregistered?
Well I don't think the loopback device is currently but as soon
as we get network namespace support we will have multiple loopback
devices and they will get unregistered when we remove the network
namespace.
Eric
next prev parent reply other threads:[~2007-03-19 0:25 UTC|newest]
Thread overview: 35+ messages / expand[flat|nested] mbox.gz Atom feed top
2007-03-18 15:55 Michael S. Tsirkin
2007-03-18 19:12 ` Alexey Kuznetsov
2007-03-18 19:46 ` Michael S. Tsirkin
2007-03-18 19:55 ` Alexey Kuznetsov
2007-03-18 20:24 ` Michael S. Tsirkin
2007-03-18 19:53 ` Michael S. Tsirkin
2007-03-18 20:18 ` Alexey Kuznetsov
2007-03-18 20:29 ` Michael S. Tsirkin
2007-03-19 9:36 ` Michael S. Tsirkin
2007-03-19 9:55 ` Michael S. Tsirkin
2007-03-19 12:05 ` Alexey Kuznetsov
2007-03-19 12:12 ` Michael S. Tsirkin
2007-03-19 12:59 ` Alexey Kuznetsov
2007-03-19 15:13 ` Michael S. Tsirkin
2007-03-19 23:20 ` Alexey Kuznetsov
2007-03-20 16:02 ` Michael S. Tsirkin
2007-03-20 23:34 ` David Miller
2007-03-19 12:13 ` Michael S. Tsirkin
2007-03-18 20:25 ` Michael S. Tsirkin
2007-03-18 22:24 ` Eric W. Biederman [this message]
2007-03-18 22:36 ` [ofa-general] " Michael S. Tsirkin
2007-03-18 22:42 ` Michael S. Tsirkin
2007-03-19 0:13 ` David Miller
2007-03-19 5:19 ` Michael S. Tsirkin
2007-03-19 5:30 ` Eric W. Biederman
2007-03-19 6:13 ` David Miller
2007-03-19 9:34 ` Alexey Kuznetsov
2007-03-19 15:10 ` Eric W. Biederman
2007-03-19 9:24 ` Alexey Kuznetsov
2007-03-19 9:33 ` Michael S. Tsirkin
2007-03-19 9:20 ` Alexey Kuznetsov
2007-03-18 20:33 ` Michael S. Tsirkin
2007-03-18 21:06 ` Michael S. Tsirkin
2007-03-18 21:20 ` Michael S. Tsirkin
2007-03-19 5:15 ` Michael S. Tsirkin
Reply instructions:
You may reply publicly to this message via plain-text email
using any one of the following methods:
* Save the following mbox file, import it into your mail client,
and reply-to-all from there: mbox
Avoid top-posting and favor interleaved quoting:
https://en.wikipedia.org/wiki/Posting_style#Interleaved_style
* Reply using the --to, --cc, and --in-reply-to
switches of git-send-email(1):
git send-email \
--in-reply-to=m3tzwi8a20.fsf@maxwell.lnxi.com \
--to=ebiederman@lnxi.com \
--cc=general@lists.openfabrics.org \
--cc=kuznet@ms2.inr.ac.ru \
--cc=linux-kernel@vger.kernel.org \
--cc=mst@dev.mellanox.co.il \
--cc=netdev@vger.kernel.org \
/path/to/YOUR_REPLY
https://kernel.org/pub/software/scm/git/docs/git-send-email.html
* If your mail client supports setting the In-Reply-To header
via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line
before the message body.
This is a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox
all inboxes | Powered by JetHome®