On Wed, 2012-09-12 at 16:46 +0200, Stephane Eranian wrote: > I am fine with dropping this patch. I just found it odd there was a per-cpu > data reference embedded deep into the call. I wanted things to be more > explicit. I know it works without the proposed change.
Ah the reason its there is to make sure the base pointer is a valid base pointer, this avoids an extra conditional in a number of places. Note that it uses raw_get_cpu_var(), so it doesn't even actually know which specific pointer goes in. -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to [email protected] More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
