Subject: Re: [PATCH net-next v1] dev: remove netdev_lock() and netdev_lock_ops() in register_netdevice().

From: Jakub Kicinski <[email-masked]>
Date: Sat, 8 Mar 2025 13:18:13 -0800

On Sun, 9 Mar 2025 05:37:18 +0900 Kohei Enju wrote:
> Both netdev_lock() and netdev_lock_ops() are called before
> list_netdevice() in register_netdevice().
> No other context can access the struct net_device, so we don't need these
> locks in this context.

Doesn't sysfs get registered earlier?
I'm afraid not being able to take the lock from the registration
path ties our hands too much. Maybe we need to make a more serious
attempt at letting the caller take the lock?