linux-kernel - Re: [PATCH net] net: xilinx: axienet: Schedule NAPI in two steps

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Message-ID: <20240912084322.148d7fb2@kernel.org>
Date: Thu, 12 Sep 2024 08:43:22 -0700
From: Jakub Kicinski <kuba@...nel.org>
To: Sean Anderson <sean.anderson@...ux.dev>
Cc: Radhey Shyam Pandey <radhey.shyam.pandey@....com>, "David S . Miller"
 <davem@...emloft.net>, Eric Dumazet <edumazet@...gle.com>, Paolo Abeni
 <pabeni@...hat.com>, netdev@...r.kernel.org, Robert Hancock
 <robert.hancock@...ian.com>, linux-kernel@...r.kernel.org, Michal Simek
 <michal.simek@....com>, linux-arm-kernel@...ts.infradead.org
Subject: Re: [PATCH net] net: xilinx: axienet: Schedule NAPI in two steps

On Thu, 12 Sep 2024 10:23:06 -0400 Sean Anderson wrote:
> __napi_schedule_irqoff selects between __napi_schedule and
> ____napi_schedule based on whether PREEMPT_RT is enabled. Is there some
> other way to force IRQ threading?

I think so, IIRC threadirqs= kernel boot option lets you do it.
I don't remember all the details now :( LMK if I'm wrong