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Message-ID: <20231017085016.GJ1751252@kernel.org> Date: Tue, 17 Oct 2023 10:50:16 +0200 From: Simon Horman <horms@...nel.org> To: Jiri Pirko <jiri@...nulli.us> Cc: netdev@...r.kernel.org, kuba@...nel.org, pabeni@...hat.com, davem@...emloft.net, edumazet@...gle.com Subject: Re: [patch net-next v3 2/7] devlink: call peernet2id_alloc() with net pointer under RCU read lock On Fri, Oct 13, 2023 at 02:10:24PM +0200, Jiri Pirko wrote: > From: Jiri Pirko <jiri@...dia.com> > > peernet2id_alloc() allows to be called lockless with peer net pointer > obtained in RCU critical section and makes sure to return ns ID if net > namespaces is not being removed concurrently. Benefit from > read_pnet_rcu() helper addition, use it to obtain net pointer under RCU > read lock and pass it to peernet2id_alloc() to get ns ID. > > Fixes: c137743bce02 ("devlink: introduce object and nested devlink relationship infra") > Signed-off-by: Jiri Pirko <jiri@...dia.com> Reviewed-by: Simon Horman <horms@...nel.org>
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