Re: [PATCH net-next 0/10] xfrm: remove flow cache

Hi, On Wed, Jun 13, 2018 at 3:43 PM, Kristian Evensen wrote: > Thanks! I will prepare a firmware for one of my devices tonight, start > testing tomorrow and report back when I have some results. We have been testing this patch over the weekend and it has a significant impact on performance. In

Re: [PATCH net-next 0/10] xfrm: remove flow cache

Hi, On Wed, Jun 13, 2018 at 2:40 PM, Florian Westphal wrote: > Can you test attached patch? > > I'd like to see how much the pcpu cache helps or if it actually hurts > in your setup. > > Subject: [TEST PATCH 4.14.y] xfrm: remove pcpu policy cache > > We need to re-evaluate if this still buys

Re: [PATCH net-next 0/10] xfrm: remove flow cache

Kristian Evensen wrote: > Hello, > > On Tue, Jul 18, 2017 at 8:15 PM, David Miller wrote: > > Steffen, I know you have some level of trepidation about this because > > there is obviously some performance cost immediately for removing this > > DoS problem. > > In a project I am involved in, we

Re: [PATCH net-next 0/10] xfrm: remove flow cache

Hello, On Tue, Jul 18, 2017 at 8:15 PM, David Miller wrote: > Steffen, I know you have some level of trepidation about this because > there is obviously some performance cost immediately for removing this > DoS problem. In a project I am involved in, we are running ipsec (Strongswan) on

Re: [PATCH net-next 0/10] xfrm: remove flow cache

From: Florian Westphal Date: Mon, 17 Jul 2017 13:57:17 +0200 > After RCU-ification of ipsec packet path there are no major scalability > issues anymore without flow cache. > > We still incur a performance hit, which comes mostly from the extra xfrm > dst allocation/freeing. >