On Tue, 2007-11-13 at 11:05 +0100, Peter Zijlstra wrote: > Anyway, it seems its the generic irq stuff that uses raw_spinlock_t and > disables IRQs, so there isn't much we can do from the ARCH level I'm > afraid :-( > > Ingo, any sane ideas?
Ok benh came up with a workable idea, he just needs a night's sleep to come up with the details :-) The idea is to fill the radix tree from host->ops->map() (or irq_create_mapping()) as that should still be preemptable, and then convert all other uses to RCU lookups. - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to [EMAIL PROTECTED] More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
