netdev - Re: [PATCH net-next 6/9] sock_diag: allow concurrent operations

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Message-ID: <20240122224759.20804-1-kuniyu@amazon.com>
Date: Mon, 22 Jan 2024 14:47:59 -0800
From: Kuniyuki Iwashima <kuniyu@...zon.com>
To: <edumazet@...gle.com>
CC: <davem@...emloft.net>, <dsahern@...nel.org>, <eric.dumazet@...il.com>,
	<gnault@...hat.com>, <kafai@...com>, <kuba@...nel.org>, <kuniyu@...zon.com>,
	<netdev@...r.kernel.org>, <pabeni@...hat.com>
Subject: Re: [PATCH net-next 6/9] sock_diag: allow concurrent operations

From: Eric Dumazet <edumazet@...gle.com>
Date: Mon, 22 Jan 2024 11:26:00 +0000
> sock_diag_broadcast_destroy_work() and __sock_diag_cmd()
> are currently using sock_diag_table_mutex to protect
> against concurrent sock_diag_handlers[] changes.
> 
> This makes inet_diag dump serialized, thus less scalable
> than legacy /proc files.
> 
> It is time to switch to full RCU protection.
> 
> Signed-off-by: Eric Dumazet <edumazet@...gle.com>

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