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    SubjectRe: [PATCH] sched: Support current clocksource handling in fallback sched_clock().
    On Thu, 28 May 2009, Paul Mundt wrote:
    > @@ -437,10 +441,19 @@ void clocksource_unregister(struct clocksource *cs)
    > unsigned long flags;
    >
    > spin_lock_irqsave(&clocksource_lock, flags);
    > +
    > + if (sched_clocksource == cs) {
    > + printk(KERN_WARNING "Refusing to unregister "
    > + "scheduler clocksource %s", cs->name);

    Hmm, isn't that dangerous ? The clocksource might be in a module or
    in kmalloced memory which is going to be freed.

    Thanks,

    tglx


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