> On Jun 10, 2015, at 5:43 PM, Ben Pfaff <b...@nicira.com> wrote: > > On Tue, Jun 09, 2015 at 05:24:17PM -0700, Jarno Rajahalme wrote: >> The final flow stats are available only after there are no references >> to the rule. Postpone sending the flow removed message until the >> final stats are available. >> >> Signed-off-by: Jarno Rajahalme <jrajaha...@nicira.com> > > I'm a little nervous about doing so much work from a postpone callback. > This is probably because I tend to think of them in a kernel context, > where RCU callbacks run from (if I recall correctly) a softirq, where it > isn't safe to do much work. But I don't have a real reason to cite why > we shouldn't do this (except that we only have one ovsrcu thread, so > that we should avoid doing much work in it). Do you feel comfortable > with it?
An alternative would be to queue the message sending via RCU callbacks for the main thread to do by itself later. Want me to try that out? Jarno _______________________________________________ dev mailing list dev@openvswitch.org http://openvswitch.org/mailman/listinfo/dev
