netdev - Re: [PATCH net-next] ndisc: ndisc_send

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Message-ID: <327cbd06-e2ee-4362-8c4e-8035b58ae333@kernel.org>
Date: Fri, 14 Feb 2025 08:02:25 -0700
From: David Ahern <dsahern@...nel.org>
To: Eric Dumazet <edumazet@...gle.com>, "David S . Miller"
 <davem@...emloft.net>, Jakub Kicinski <kuba@...nel.org>,
 Paolo Abeni <pabeni@...hat.com>
Cc: netdev@...r.kernel.org, Simon Horman <horms@...nel.org>,
 eric.dumazet@...il.com
Subject: Re: [PATCH net-next] ndisc: ndisc_send_redirect() cleanup

On 2/14/25 7:07 AM, Eric Dumazet wrote:
> ndisc_send_redirect() is always called under rcu_read_lock().
> 
> It can use dev_net_rcu() and avoid one redundant
> rcu_read_lock()/rcu_read_unlock() pair.
> 
> Signed-off-by: Eric Dumazet <edumazet@...gle.com>
> ---
>  net/ipv6/ndisc.c | 8 +++-----
>  1 file changed, 3 insertions(+), 5 deletions(-)
> 

Reviewed-by: David Ahern <dsahern@...nel.org>