netdev - Re: [PATCH net 01/16] net: add dev_net

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Message-ID: <20250131182949.90418-1-kuniyu@amazon.com>
Date: Fri, 31 Jan 2025 10:29:49 -0800
From: Kuniyuki Iwashima <kuniyu@...zon.com>
To: <edumazet@...gle.com>
CC: <davem@...emloft.net>, <eric.dumazet@...il.com>, <horms@...nel.org>,
	<kuba@...nel.org>, <kuniyu@...zon.com>, <netdev@...r.kernel.org>,
	<pabeni@...hat.com>
Subject: Re: [PATCH net 01/16] net: add dev_net_rcu() helper

From: Eric Dumazet <edumazet@...gle.com>
Date: Fri, 31 Jan 2025 17:13:19 +0000
> dev->nd_net can change, readers should either
> use rcu_read_lock() or RTNL.
> 
> We currently use a generic helper, dev_net() with
> no debugging support. We probably have many hidden bugs.
> 
> Add dev_net_rcu() helper for callers using rcu_read_lock()
> protection.
> 
> Signed-off-by: Eric Dumazet <edumazet@...gle.com>

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