On Mon, 27 Sep 2010, richard -rw- weinberger wrote: > On Wed, Sep 8, 2010 at 8:14 PM, Thomas Gleixner wrote: > > __do_IRQ() has been deprecated after a two years migration phase in > >  The following architectures are still using __do_IRQ(): > > > >  alpha, cris, ia64, h8300, m32r, m68knommu, parisc, um > > > > Maybe I'm naive but shouldn't this path work? > Does um need some extra work? Yes. It needs to set the proper flow handlers. Look for set_irq_chip* functions and how they are used in other archs. Thanks, tglx