linux-kernel - Re: [PATCH net] netpoll: guard __netpoll_send

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Message-ID: <20250304174732.2a1f2cb5@kernel.org>
Date: Tue, 4 Mar 2025 17:47:32 -0800
From: Jakub Kicinski <kuba@...nel.org>
To: Breno Leitao <leitao@...ian.org>
Cc: "David S. Miller" <davem@...emloft.net>, Eric Dumazet
 <edumazet@...gle.com>, Paolo Abeni <pabeni@...hat.com>, Simon Horman
 <horms@...nel.org>, Amerigo Wang <amwang@...hat.com>,
 netdev@...r.kernel.org, linux-kernel@...r.kernel.org, kernel-team@...a.com
Subject: Re: [PATCH net] netpoll: guard __netpoll_send_skb() with RCU read
 lock

On Mon, 03 Mar 2025 03:44:12 -0800 Breno Leitao wrote:
> +	guard(rcu)();

Scoped guards if you have to.
Preferably just lock/unlock like a normal person..