From: Johannes Berg <johannes@sipsolutions.net>
To: paulmck@linux.vnet.ibm.com
Cc: Herbert Xu <herbert@gondor.apana.org.au>,
satyam@infradead.org, flo@rfc822.org,
linux-kernel@vger.kernel.org, netdev@vger.kernel.org,
linux-wireless@vger.kernel.org, michal.k.k.piotrowski@gmail.com,
ipw3945-devel@lists.sourceforge.net, yi.zhu@intel.com,
flamingice@sourmilk.net
Subject: Re: BUG: scheduling while atomic: ifconfig/0x00000002/4170
Date: Fri, 07 Sep 2007 16:30:15 +0200 [thread overview]
Message-ID: <1189175415.28781.165.camel@johannes.berg> (raw)
In-Reply-To: <20070907142538.GC8864@linux.vnet.ibm.com>
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On Fri, 2007-09-07 at 07:25 -0700, Paul E. McKenney wrote:
> > I don't like ASSERT_RTNL() much because it actually tries to lock it.
> > I'd be much happer if it was WARN_ON(!mutex_locked(&rtnl_mutex)) or
> > something equivalent.
>
> Ah! It would indeed be nice to have a lower-overhead ASSERT_RTNL_LIGHT()
> or whatever.
I don't know why it tries that anyway. Maybe it's from semaphore days
where you couldn't check _is_locked()?
> > In any case, I have an updated patch I'll be sending soon, and it
> > requires a new list walking primitive I'll also send.
>
> Look forward to seeing it!
Will send in a minute.
johannes
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next prev parent reply other threads:[~2007-09-07 14:29 UTC|newest]
Thread overview: 23+ messages / expand[flat|nested] mbox.gz Atom feed top
[not found] <20070902184439.GA14306@paradigm.rfc822.org>
2007-09-02 23:59 ` BUG: scheduling while atomic: ifconfig/0x00000002/4170 Michal Piotrowski
2007-09-06 5:02 ` Satyam Sharma
2007-09-06 8:20 ` Herbert Xu
2007-09-06 8:23 ` Herbert Xu
2007-09-06 8:41 ` Satyam Sharma
2007-09-06 8:38 ` Florian Lohoff
2007-09-06 12:09 ` Johannes Berg
2007-09-06 12:36 ` Herbert Xu
2007-09-06 12:44 ` Johannes Berg
2007-09-06 13:36 ` Johannes Berg
2007-09-06 15:46 ` Paul E. McKenney
2007-09-07 13:27 ` Johannes Berg
2007-09-07 14:25 ` Paul E. McKenney
2007-09-07 14:30 ` Johannes Berg [this message]
2007-09-07 14:35 ` Johannes Berg
2007-09-07 14:38 ` [RFC] mac80211: fix virtual interface locking Johannes Berg
2007-09-07 16:01 ` BUG: scheduling while atomic: ifconfig/0x00000002/4170 Michael Buesch
2007-09-07 19:17 ` Johannes Berg
2007-09-06 12:52 ` Satyam Sharma
2007-09-06 12:46 ` Johannes Berg
2007-09-06 15:19 ` Johannes Berg
2007-09-12 12:34 ` David Miller
2007-09-13 7:16 ` Johannes Berg
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