From: David Miller <davem@davemloft.net>
To: johannes@sipsolutions.net
Cc: davej@codemonkey.org.uk, netdev@vger.kernel.org
Subject: Re: 2.6.25rc7 lockdep trace
Date: Fri, 28 Mar 2008 18:06:31 -0700 (PDT) [thread overview]
Message-ID: <20080328.180631.91055366.davem@davemloft.net> (raw)
In-Reply-To: <1206752049.22530.105.camel@johannes.berg>
From: Johannes Berg <johannes@sipsolutions.net>
Date: Sat, 29 Mar 2008 01:54:09 +0100
> Maybe we should check which schedule_work users actually lock the rtnl
> within the work function and move them to a uses-rtnl-in-work workqueue
> so that everybody else can have rtnl around flush.
The issue is that linkwatch goes: workqueue lock --> RTNL
And thus taking workqueue lock within RTNL is deadlock
prone no matter where you do it.
next prev parent reply other threads:[~2008-03-29 1:06 UTC|newest]
Thread overview: 28+ messages / expand[flat|nested] mbox.gz Atom feed top
2008-03-28 0:00 2.6.25rc7 lockdep trace Dave Jones
2008-03-28 1:55 ` Dave Jones
2008-03-29 0:34 ` David Miller
2008-03-29 0:54 ` Johannes Berg
2008-03-29 1:01 ` Johannes Berg
2008-03-29 1:09 ` David Miller
2008-04-02 8:51 ` Oleg Nesterov
2008-03-29 1:06 ` David Miller [this message]
2008-03-29 10:02 ` Johannes Berg
2008-03-29 12:52 ` Jarek Poplawski
2008-03-29 12:50 ` Johannes Berg
2008-04-03 20:48 ` David Miller
2008-04-04 14:48 ` Johannes Berg
2008-06-11 5:40 ` David Miller
2008-06-11 7:08 ` Jarek Poplawski
2008-06-11 7:10 ` David Miller
2008-06-11 9:36 ` Jarek Poplawski
2008-06-12 0:34 ` David Miller
2008-06-12 6:29 ` Jarek Poplawski
2008-06-11 10:40 ` Jarek Poplawski
2008-06-12 0:31 ` David Miller
2008-06-11 13:14 ` Jarek Poplawski
2008-06-12 5:46 ` David Miller
2008-06-12 7:20 ` Johannes Berg
2008-06-12 8:23 ` David Miller
2008-06-12 6:13 ` Jarek Poplawski
2008-06-12 7:01 ` David Miller
2008-06-12 7:47 ` Jarek Poplawski
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=20080328.180631.91055366.davem@davemloft.net \
--to=davem@davemloft.net \
--cc=davej@codemonkey.org.uk \
--cc=johannes@sipsolutions.net \
--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;
as well as URLs for NNTP newsgroup(s).