Hello, On Mon, Oct 26, 2015, at 14:19, Richard Cochran wrote: > On Mon, Oct 26, 2015 at 01:51:37PM +0100, Hannes Frederic Sowa wrote: > > netstamp_needed is toggled for all socket families if they request > > timestamping. But some protocols don't need the lower-layer timestamping > > code at all. This patch starts disabling it for af-unix. > > What problem is this patch trying to solve?
netstamp_needed is a static-key which enables timestamping code in the networking stack receive functions for every packet, while it is not needed for AF_UNIX/LOCAL. So it is merely a small performance enhancement. Bye, Hannes -- To unsubscribe from this list: send the line "unsubscribe netdev" in the body of a message to majord...@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html