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>,
"John W. Linville" <linville@tuxdriver.com>
Subject: Re: mac80211: NOHZ: local_softirq_pending 08
Date: Fri, 11 Sep 2009 19:07:20 +0300 [thread overview]
Message-ID: <873a6t31on.fsf@litku.valot.fi> (raw)
In-Reply-To: <200909111707.23971.mb@bu3sch.de> (Michael Buesch's message of "Fri\, 11 Sep 2009 17\:07\:23 +0200")
Michael Buesch <mb@bu3sch.de> writes:
>> > 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.
>>
>
> This patch seems to fix it.
Yes, it does. Thanks.
> Signed-off-by: Michael Buesch <mb@bu3sch.de>
Tested-by: Kalle Valo <kalle.valo@nokia.com>
--
Kalle Valo
next prev parent reply other threads:[~2009-09-11 16:07 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
2009-09-11 15:07 ` Michael Buesch
2009-09-11 16:07 ` Kalle Valo [this message]
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
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=873a6t31on.fsf@litku.valot.fi \
--to=kalle.valo@iki.fi \
--cc=johannes@sipsolutions.net \
--cc=linux-wireless@vger.kernel.org \
--cc=linville@tuxdriver.com \
--cc=mb@bu3sch.de \
--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 an external index of several public inboxes,
see mirroring instructions on how to clone and mirror
all data and code used by this external index.