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Date: Tue, 21 Jul 2026 08:16:05 -0700
From: Jakub Kicinski <kuba@kernel.org>
To: Simon Horman <horms@kernel.org>
Cc: Pablo Neira Ayuso <pablo@netfilter.org>, Harald Welte
 <laforge@gnumonks.org>, Andrew Lunn <andrew+netdev@lunn.ch>, "David S.
 Miller" <davem@davemloft.net>, Eric Dumazet <edumazet@google.com>, Paolo
 Abeni <pabeni@redhat.com>, osmocom-net-gprs@lists.osmocom.org,
 netdev@vger.kernel.org
Subject: Re: [PATCH net-next] Revert "gtp: annotate PDP lookups under RTNL"
Message-ID: <20260721081605.3e86ec88@kernel.org>
In-Reply-To: <20260708-gtp-rtnl-v1-1-218091f171bc@kernel.org>
References: <20260708-gtp-rtnl-v1-1-218091f171bc@kernel.org>
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On Wed, 08 Jul 2026 20:02:05 +0100 Simon Horman wrote:
> This reverts commit 0be5c3f0fbef3679f50f345b9237b8f9ea5de4e9.
> 
> Commit 0be5c3f0fbef ("gtp: annotate PDP lookups under RTNL") added a
> lockdep_rtnl_is_held condition to hlist_for_each_rcu() loops to help
> insure that RTNL is held.
> 
> Unfortunately, as pointed out by Pablo Neira Ayuso, the PDP context list
> is actually protected by the genetlink mutex. And so the condition
> is incorrect.

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