On Mon, 13 Apr 2009 09:45:54 +0930 Rusty Russell <rusty@xxxxxxxxxxxxxxx> wrote: > On Sat, 11 Apr 2009 05:00:23 am akpm@xxxxxxxxxxxxxxxxxxxx wrote: > > In drv_read(), check to see whether we can run the rdmsr() on the current > > CPU. If so, do that. So smp_call_function_single() can avoid the IPI. > > > > Arguably, cpumask_any() should do this. > > cpumask_any_close()? It would try smp_processor_id, then node-local? Yeah, good idea. cpumask_closest, perhaps. > I prefer not to mess with the fairly clear "I really don't care" semantic of > cpumask_any(). -- To unsubscribe from this list: send the line "unsubscribe mm-commits" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
