From: Kalle Valo <kalle.valo@iki.fi>
To: Michael Buesch <mb@bu3sch.de>
Cc: linux-wireless@vger.kernel.org, netdev@vger.kernel.org,
Johannes Berg <johannes@sipsolutions.net>
Subject: Re: mac80211: NOHZ: local_softirq_pending 08
Date: Fri, 11 Sep 2009 17:57:54 +0300 [thread overview]
Message-ID: <877hw534wd.fsf@litku.valot.fi> (raw)
In-Reply-To: <200909111648.50902.mb@bu3sch.de> (Michael Buesch's message of "Fri\, 11 Sep 2009 16\:48\:49 +0200")
Michael Buesch <mb@bu3sch.de> writes:
> Hi,
Hallo,
> mac80211 (or some other part of the networking stack) triggers this
> warning in the NOHZ code: NOHZ: local_softirq_pending 08
>
> 08 seems to be NET_RX_SOFTIRQ.
>
> It happens, because my test driver b43 handles all RX and TX-status
> callbacks in process context. I guess some part of the networking
> stack expects RX to be in tasklet and/or softirq context.
>
> We also have a report of this warning in wl1251, so it's probably not
> a b43 problem.
Yes, I see this with wl1251. It uses workqueues everywhere.
--
Kalle Valo
next prev parent reply other threads:[~2009-09-11 14:57 UTC|newest]
Thread overview: 27+ messages / expand[flat|nested] mbox.gz Atom feed top
2009-09-11 14:48 mac80211: NOHZ: local_softirq_pending 08 Michael Buesch
2009-09-11 14:57 ` Kalle Valo [this message]
2009-09-11 15:07 ` Michael Buesch
2009-09-11 16:07 ` Kalle Valo
2009-09-11 16:07 ` Oliver Hartkopp
2009-09-11 16:13 ` Michael Buesch
2009-09-12 16:41 ` Oliver Hartkopp
2009-09-12 16:51 ` Michael Buesch
2009-09-12 18:07 ` Oliver Hartkopp
2009-09-29 19:29 ` John W. Linville
2009-09-30 11:56 ` Oliver Hartkopp
2009-09-30 14:33 ` Michael Buesch
2009-09-30 14:47 ` Kalle Valo
2009-09-30 14:54 ` Johannes Berg
2009-09-30 15:10 ` Michael Buesch
2009-09-30 15:21 ` Johannes Berg
2009-09-30 17:51 ` Oliver Hartkopp
2009-09-30 18:18 ` [PATCH] net: fix " Oliver Hartkopp
2009-09-30 18:47 ` John W. Linville
2009-09-30 23:33 ` David Miller
2009-10-01 7:08 ` Oliver Hartkopp
2009-10-01 14:04 ` Michael Buesch
2009-10-01 14:24 ` Kalle Valo
2009-10-01 18:42 ` Johannes Berg
2009-10-01 19:10 ` Michael Buesch
2009-10-01 19:26 ` Johannes Berg
2009-10-01 19:32 ` David Miller
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