Re: [PATCH net] netpoll: run NAPI poll in softirq context to avoid rq->lock self-deadlock
From: Jakub Kicinski
Date: Thu Jun 18 2026 - 19:48:02 EST
On Thu, 18 Jun 2026 07:57:33 -0700 Breno Leitao wrote:
> Let me verify my understanding: if we switched to __raise_softirq_irqoff()
> in dev_kfree_skb_irq_reason(), the issue would be resolved since we'd
> avoid waking ksoftirqd and therefore wouldn't touch the runqueue lock in this
> code path.
That's the same as Vlad's patch. It risks leaving the softirq raised
but never invoked.