Subject: Re: [PATCH v2 net-next 3/3] net: Use backlog-NAPI to clean up the defer_list.

From: Jakub Kicinski <[email-masked]>
Date: Mon, 26 Feb 2024 17:22:33 -0800

On Mon, 26 Feb 2024 12:59:22 +0100 Sebastian Andrzej Siewior wrote:
> They protect the list in input_pkt_queue and the NAPI state. It is just
> in the !RPS case it is always CPU-local and the lock is avoided (while
> interrupts are still disabled/ enabled).
> 
> What about
> 	input_queue_lock_irq_save()
> 	input_queue_lock_irq_disable()
> 	input_queue_lock_irq_restore()
> 	input_queue_lock_irq_enable()

SGTM. Maybe I'd risk calling it backlog_lock_* but not sure others
would agree.