From: Johannes Berg <johannes-cdvu00un1VgdHxzADdlk8Q@public.gmane.org>
To: paulmck-23VcF4HTsmIX0ybBhKVfKdBPR1lH4CV8@public.gmane.org
Cc: Herbert Xu
<herbert-lOAM2aK0SrRLBo1qDEOMRrpzq4S04n8Q@public.gmane.org>,
satyam-wEGCiKHe2LqWVfeAwA7xHQ@public.gmane.org,
flo-BCn6idZOOBwdnm+yROfE0A@public.gmane.org,
linux-kernel-u79uwXL29TY76Z2rM5mHXA@public.gmane.org,
netdev-u79uwXL29TY76Z2rM5mHXA@public.gmane.org,
linux-wireless-u79uwXL29TY76Z2rM5mHXA@public.gmane.org,
michal.k.k.piotrowski-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org,
ipw3945-devel-5NWGOfrQmneRv+LV9MX5uipxlwaOVQ5f@public.gmane.org,
yi.zhu-ral2JQCrhuEAvxtiuMwx3w@public.gmane.org,
flamingice-R9e9/4HEdknk1uMJSBkQmQ@public.gmane.org
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.GC8864-23VcF4HTsmIX0ybBhKVfKdBPR1lH4CV8@public.gmane.org>
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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 14:30 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
[not found] ` <6bffcb0e0709021659o3856cd06gabc054c949a84397-JsoAwUIsXosN+BqQ9rBEUg@public.gmane.org>
2007-09-06 5:02 ` Satyam Sharma
[not found] ` <alpine.LFD.0.999.0709060923340.26804-cF9xTIDbLT5E1qDFBaZ7QYsk13R+tSIrn9A1Ff6Mc9Q@public.gmane.org>
2007-09-06 8:20 ` Herbert Xu
2007-09-06 8:23 ` Herbert Xu
[not found] ` <20070906082301.GB21929-lOAM2aK0SrRLBo1qDEOMRrpzq4S04n8Q@public.gmane.org>
2007-09-06 8:41 ` Satyam Sharma
2007-09-06 8:38 ` Florian Lohoff
2007-09-06 12:09 ` Johannes Berg
[not found] ` <1189080575.28781.65.camel-YfaajirXv214zXjbi5bjpg@public.gmane.org>
2007-09-06 12:36 ` Herbert Xu
[not found] ` <E1ITGb2-0006Be-00-XQvu0L+U/CjiRBuR/1fSEKKkPtS2pBon@public.gmane.org>
2007-09-06 12:44 ` Johannes Berg
2007-09-06 13:36 ` Johannes Berg
2007-09-06 15:46 ` Paul E. McKenney
[not found] ` <20070906154612.GD8030-23VcF4HTsmIX0ybBhKVfKdBPR1lH4CV8@public.gmane.org>
2007-09-07 13:27 ` Johannes Berg
2007-09-07 14:25 ` Paul E. McKenney
[not found] ` <20070907142538.GC8864-23VcF4HTsmIX0ybBhKVfKdBPR1lH4CV8@public.gmane.org>
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
[not found] ` <200709071801.34909.mb-fseUSCV1ubazQB+pC5nmwQ@public.gmane.org>
2007-09-07 19:17 ` Johannes Berg
2007-09-06 12:52 ` Satyam Sharma
[not found] ` <alpine.LFD.0.999.0709061818270.3781-cF9xTIDbLT5E1qDFBaZ7QYsk13R+tSIrn9A1Ff6Mc9Q@public.gmane.org>
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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