On Tue, 05 Aug 2008 11:05:03 +1000 Benjamin Herrenschmidt <benh@xxxxxxxxxxxxxxxxxxx> wrote: > > > - Remove the populating of the tree from the revmap function as > > you already do > > - Move it to irq_create_mapping() for the normal case > > - For pre-existing interrupt, have the generic code that initializes > > the radix tree walk through all interrupts and setup the revmap for > > them. If that needs locking vs. concurrent irq_create_mapping, it's > > easy to use one of the available spinlocks for that. > > And in fact, you may even be able to avoid GFP_ATOMIC completely here > and switch it to GFP_KERNEL since irq_create_mapping() can sleep afaik, > provided that you avoid the spinlocking. Well, maybe, will have to look into this in details. Thanks, Sebastien. > > Ben. > > > -- To unsubscribe from this list: send the line "unsubscribe linux-rt-users" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
