On Mon, Jun 25, 2018 at 8:08 AM, Chris von Recklinghausen <creck...@redhat.com> wrote: > Enabling HARDENED_USER_COPY causes measurable regressions in the > networking performances, up to 8% under UDP flood.
Which function is "hot"? i.e. which copy*user() is taking up the time? Do you have a workload that at can be used to reproduce the problem? -Kees -- Kees Cook Pixel Security
