From: Chris Metcalf <cmetc...@tilera.com> Date: Tue, 19 Mar 2013 17:35:58 -0400
> Previously, if you did an "ifconfig down" or similar on one core, and > the kernel had CONFIG_XFRM enabled, every core would be interrupted to > check its percpu flow list for items that could be garbage collected. > > With this change, we generate a mask of cores that actually have any > percpu items, and only interrupt those cores. When we are trying to > isolate a set of cpus from interrupts, this is important to do. > > Signed-off-by: Chris Metcalf <cmetc...@tilera.com> > --- > This change stands alone so could be taken into the net tree if > desired, but it is most useful in the context of Frederic Weisbecker's > linux-dynticks work. So it could be taken up through either tree, > but it certainly needs sign-off from someone familiar with net/core/flow.c. I'm find with this going into the dynticks changes: Acked-by: David S. Miller <da...@davemloft.net> -- 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/