Re: mac80211: NOHZ: local_softirq_pending 08

Kalle Valo
2009-09-11T16:07:20Z

Michael Buesch <mb-fseUSCV1ubazQB+pC5nmwQ@public.gmane.org> 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-fseUSCV1ubazQB+pC5nmwQ@public.gmane.org>

Tested-by: Kalle Valo <kalle.valo-xNZwKgViW5gAvxtiuMwx3w@public.gmane.org>

--
Kalle Valo
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