On May 2, 2017, at 10:54 AM, Guy Harris <g...@alum.mit.edu> wrote: > Yes, there's a case where user space wasn't being woken up.
See also this thread from almost 3 years ago, beginning with
http://marc.info/?l=linux-netdev&m=140633612828824&w=2
and this patch thread from almost 2 1/2 years ago:
https://lkml.org/lkml/2014/12/18/466
