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    Date
    SubjectRe: NOHZ: local_softirq_pending 08
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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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