netdev - Re: [PATCH net-next 2/4] ipv4: use rcu in ip_fib_check

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Message-ID: <20241004223929.81691-1-kuniyu@amazon.com>
Date: Fri, 4 Oct 2024 15:39:29 -0700
From: Kuniyuki Iwashima <kuniyu@...zon.com>
To: <edumazet@...gle.com>
CC: <alexandre.ferrieux@...nge.com>, <davem@...emloft.net>,
	<dsahern@...nel.org>, <eric.dumazet@...il.com>, <kuba@...nel.org>,
	<kuniyu@...zon.com>, <netdev@...r.kernel.org>, <pabeni@...hat.com>
Subject: Re: [PATCH net-next 2/4] ipv4: use rcu in ip_fib_check_default()

Date: Fri,  4 Oct 2024 13:47:18 +0000
From: Eric Dumazet <edumazet@...gle.com>
> fib_info_devhash[] is not resized in fib_info_hash_move().
> 
> fib_nh structs are already freed after an rcu grace period.
> 
> This will allow to remove fib_info_lock in the following patch.
> 
> Signed-off-by: Eric Dumazet <edumazet@...gle.com>

Reviewed-by: Kuniyuki Iwashima <kuniyu@...zon.com>