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Date: Fri, 7 Aug 2026 17:09:08 -0700
From: Jakub Kicinski <kuba@kernel.org>
To: Breno Leitao <leitao@debian.org>
Cc: Andrew Lunn <andrew+netdev@lunn.ch>, "David S. Miller"
 <davem@davemloft.net>, Eric Dumazet <edumazet@google.com>, Paolo Abeni
 <pabeni@redhat.com>, Shuah Khan <shuah@kernel.org>, netdev@vger.kernel.org,
 linux-kernel@vger.kernel.org, linux-kselftest@vger.kernel.org,
 gustavold@gmail.com, asantostc@gmail.com, kernel-team@meta.com
Subject: Re: [PATCH net-next v2 0/2] netconsole: replace target_list_lock by
 RCU on userdata hot path
Message-ID: <20260807170908.53188cee@kernel.org>
In-Reply-To: <20260805-netcons-userdata-rcu-v2-0-c5e80f6a7a46@debian.org>
References: <20260805-netcons-userdata-rcu-v2-0-c5e80f6a7a46@debian.org>
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On Wed, 05 Aug 2026 03:58:18 -0700 Breno Leitao wrote:
> I would like to move netconsole to use RCU on the hot path for
> a while instead of target_list_lock. My goal is to have no lock on the
> tx side at all and eventually drop CON_NBCON_ATOMIC_UNSAFE, if that is
> possible [1].

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