Re: [PATCH] add param that allows bootline control of hardened usercopy

[Kees Cook]

On Mon, Jun 25, 2018 at 8:08 AM, Chris von Recklinghausen
<crecklin@xxxxxxxxxx> 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