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Date: Mon, 19 Jan 2026 08:25:34 -0800
From: Jakub Kicinski <kuba@kernel.org>
To: wen.yang@linux.dev
Cc: Greg Kroah-Hartman <gregkh@linuxfoundation.org>, stable@vger.kernel.org,
 linux-kernel@vger.kernel.org, Sebastian Andrzej Siewior
 <bigeasy@linutronix.de>, Paolo Abeni <pabeni@redhat.com>
Subject: Re: [PATCH 6.6 3/3] net: Allow to use SMP threads for backlog NAPI.
Message-ID: <20260119082534.1f705011@kernel.org>
In-Reply-To: <997bc0de4746100bb69e1bd2ccfb25315d8f62e4.1768751557.git.wen.yang@linux.dev>
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On Mon, 19 Jan 2026 00:15:46 +0800 wen.yang@linux.dev wrote:
> From: Sebastian Andrzej Siewior <bigeasy@linutronix.de>
> 
> commit dad6b97702639fba27a2bd3e986982ad6f0db3a7 upstream.
> 
> Backlog NAPI is a per-CPU NAPI struct only (with no device behind it)
> used by drivers which don't do NAPI them self, RPS and parts of the
> stack which need to avoid recursive deadlocks while processing a packet.

This is a rather large change to backport into LTS.