On Fri, 3 Oct 2014, Richard Cochran wrote: > > DECLARE_PER_CPU(char *, irq_stack_ptr); > > -DECLARE_PER_CPU(unsigned int, irq_count); > > +DECLARE_PER_CPU(unsigned long, irq_count); > > Still 32 bit on 32 bit machines...
64 bit counters on 32 bit machines are not an easy thing and could be expensive to handle in particular because these counters are used in performance critical hotpaths. I thought I better leave it alone on 32 bit. -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majord...@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/