Re: [RFC PATCH net-next 0/2] net: Use SMP threads for backlog NAPI.

From: Eric Dumazet
Date: Fri Aug 18 2023 - 12:41:25 EST


On Fri, Aug 18, 2023 at 6:21 PM Jakub Kicinski <kuba@xxxxxxxxxx> wrote:
>
> On Fri, 18 Aug 2023 16:57:34 +0200 Sebastian Andrzej Siewior wrote:
> > As of now Jakub isn't eager to have it and my testing/ convincing is
> > quite limited. If nobody else yells that something like that would be
> > helpful I would simply go and convince PeterZ/tglx to apply 2/2 of this
> > series.
>
> As tempting as code removal would be, we can still try to explore the
> option of letting backlog processing run in threads - as an opt-in on
> normal kernels and force it on RT?

+1

Patch 1/2 as presented is really scary, we would need to test it
extensively on various platforms.

>
> But it would be good to wait ~2 weeks before moving forward, if you
> don't mind, various core folks keep taking vacations..