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    SubjectRe: [Bug #12650] Strange load average and ksoftirqd behavior with 2.6.29-rc2-git1
    On Tue, Feb 17, 2009 at 07:11:42AM +0100, Damien Wyart wrote:
    > * Paul E. McKenney <> [2009-02-16 14:39]:
    > > What is the easiest way for me to make it easy to trace the return path
    > > from __rcu_pending()? Make each return path call an empty function
    > > located off where the compiler cannot see it, I guess... Diagnostic
    > > patch along these lines below. Frederic, Damien, could you please give
    > > it a go? (And of course please let me know if something else is
    > > needed.)
    > As Frederic already sent a trace (made with another method), I'll
    > consider for now mine would not be very useful at this stage, so I'm
    > waiting for further instructions.
    > If you need further testing for me, do not hesitate to ask...

    I would be very interested to hear whether or not my patch removing
    rcu_pending() and rcu_check_callbacks() from the x86_32 idle loop
    fixes the problem for you.

    Thanx, Paul

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