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Re: [PATCH v2] mac80211: fix todo lock

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On Tue, 2009-06-23 at 12:51 -0400, Bob Copeland wrote:
> 2009/6/23 Gabor Juhos <juhosg@xxxxxxxxxxx>:
> > Johannes Berg írta:
> >> The key todo lock can be taken from different locks
> >> that require it to be _bh to avoid lock inversion
> >> due to (soft)irqs.
> >>
> >> This should fix the two problems reported by Bob and
> >> Gabor:
> >> http://mid.gmane.org/20090619113049.GB18956@xxxxxxxxxxxxx
> >> http://mid.gmane.org/4A3FA376.8020307@xxxxxxxxxxx
> 
> Hmm, I applied the patch, started hostapd, hit ctrl-c to
> kill it, and got instant lockup.

Strange, but I can't imagine it's due to this patch since it just
changes locking in one place, which must be harmless (and I also tested
this patch).

johannes

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