Re: [PATCH v6.1-rt 00/15] net: Backport backlog-NAPI threads to resolve PREEMPT_RT softirq warning in SMP flush

[Clark Williams <clrkwllms@kernel.org>]

On Sat, Oct 17, 2026 at 02:16:02AM +0800, Wen Yang wrote:
> 
> 
> On 10/15/26 21:38, Sebastian Andrzej Siewior wrote:
> > - NET + proper list
> > 
> > On 2026-10-15 08:34:28 [-0500], Clark Williams wrote:
> > > I don't have a fundamental objection to the backport and agree we should
> > > do v6.6-rt first, then move that back to v6.1-rt.
> > 
> > Okay.
> > 
> > > So it sounds like we need to pull in the RPS code first?
> > 
> > Yes. Wen, do you mind preparing a series for v6.6-RT?
> > 
> 
> Hi Sebastian, Clark,
> 
> Thanks for the feedback.
> Agreed, v6.6-rt should be fixed first to avoid reintroducing the issue
> when users upgrade from v6.1-rt. Regarding the RPS prerequisites, I will
> check which upstream changes are already present in v6.6-rt and identify
> the remaining dependencies for the backlog-NAPI threads and defer_list
> cleanup. I will prepare and test a series for v6.6-RT soon.
> 
> Thanks,
> Wen

Perfect. I expect you'll have a small series for v6.6-rt and then a
pretty large one for v6.1-rt.

Thanks Wen, I'll be ready to apply/test when you send it. 

Clark

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