On Mon, 2008-08-04 at 13:08 +0200, Sebastien Dugue wrote: > --- a/arch/powerpc/include/asm/irq.h > +++ b/arch/powerpc/include/asm/irq.h > @@ -119,6 +119,7 @@ struct irq_host { > } linear; > struct radix_tree_root tree; > } revmap_data; > + spinlock_t tree_lock; You have a tabbing issue above.. Daniel