netdev - Re: [PATCH net-next 1/2] net: rtnl: introduce rcu_replace_pointer

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Message-ID: <ZX7m4rYR9Djl+J8V@shredder>
Date: Sun, 17 Dec 2023 14:17:38 +0200
From: Ido Schimmel <idosch@...dia.com>
To: Pedro Tammela <pctammela@...atatu.com>
Cc: netdev@...r.kernel.org, davem@...emloft.net, edumazet@...gle.com,
	kuba@...nel.org, pabeni@...hat.com, horms@...nel.org,
	jiri@...nulli.us, jhs@...atatu.com, victor@...atatu.com,
	martin@...ongswan.org, razor@...ckwall.org, lucien.xin@...il.com,
	edwin.peer@...adcom.com, amcohen@...dia.com
Subject: Re: [PATCH net-next 1/2] net: rtnl: introduce
 rcu_replace_pointer_rtnl

On Fri, Dec 15, 2023 at 02:57:10PM -0300, Pedro Tammela wrote:
> From: Jamal Hadi Salim <jhs@...atatu.com>
> 
> Introduce the rcu_replace_pointer_rtnl helper to lockdep check rtnl lock
> rcu replacements, alongside the already existing helpers.
> 
> This is a quality of life helper so instead of using:
>    rcu_replace_pointer(rp, p, lockdep_rtnl_is_held())
>    .. or the open coded..
>    rtnl_dereference() / rcu_assign_pointer()
>    .. or the lazy check version ..
>    rcu_replace_pointer(rp, p, 1)
> Use:
>    rcu_replace_pointer_rtnl(rp, p)
> 
> Signed-off-by: Jamal Hadi Salim <jhs@...atatu.com>
> Signed-off-by: Victor Nogueira <victor@...atatu.com>
> Signed-off-by: Pedro Tammela <pctammela@...atatu.com>

Reviewed-by: Ido Schimmel <idosch@...dia.com>