Messages in this thread | | | Date | Sun, 11 Oct 2009 03:38:42 -0700 (PDT) | Subject | Re: NOHZ: local_softirq_pending 08 | From | David Miller <> |
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From: Michael Buesch <mb@bu3sch.de> Date: Sun, 11 Oct 2009 12:17:30 +0200
> On Sunday 11 October 2009 12:08:55 Johannes Berg wrote: >> On Sun, 2009-10-11 at 17:52 +0800, Dave Young wrote: >> >> FWIW, I believe the bug to be in b43 and wl12x1, and not as Michael >> thinks in the stack. > > If mac80211 requires BHs disabled, it should do this.
That's overhead, and %99 of drivers do not require it, and therefore for %99 of drivers it's unnecessary overhead.
In general we avoid doing things like that. Instead, we put the cost only where it's actually needed.
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