linux-kernel - Re: [PATCH net-next v2 5/5] gve: Add flow steering ethtool support

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Date: Fri, 14 Jun 2024 19:27:21 -0700
From: Jakub Kicinski <kuba@...nel.org>
To: Ziwei Xiao <ziweixiao@...gle.com>
Cc: netdev@...r.kernel.org, jeroendb@...gle.com, pkaligineedi@...gle.com,
 shailend@...gle.com, davem@...emloft.net, edumazet@...gle.com,
 pabeni@...hat.com, willemb@...gle.com, hramamurthy@...gle.com,
 rushilg@...gle.com, horms@...nel.org, linux-kernel@...r.kernel.org
Subject: Re: [PATCH net-next v2 5/5] gve: Add flow steering ethtool support

On Thu, 13 Jun 2024 01:47:44 +0000 Ziwei Xiao wrote:
> +	dev_hold(netdev);
> +	rtnl_unlock();

If you care about the op being unlocked make the core not take
the lock in the first place. The core itself doesn't need it
either. Add a flag in the ops to tell the core driver doesn't
need the lock.

Disappointing :|