netdev - Re: [PATCH net,v2] hv_netvsc: fix race of netvsc and VF register

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Date: Wed, 1 Nov 2023 22:07:30 -0700
From: Jakub Kicinski <kuba@...nel.org>
To: Haiyang Zhang <haiyangz@...rosoft.com>
Cc: linux-hyperv@...r.kernel.org, netdev@...r.kernel.org, kys@...rosoft.com,
 wei.liu@...nel.org, decui@...rosoft.com, edumazet@...gle.com,
 pabeni@...hat.com, davem@...emloft.net, linux-kernel@...r.kernel.org,
 stable@...r.kernel.org
Subject: Re: [PATCH net,v2] hv_netvsc: fix race of netvsc and VF
 register_netdevice

On Thu, 26 Oct 2023 14:22:34 -0700 Haiyang Zhang wrote:
> And, move register_netdevice_notifier() earlier, so the call back
> function is set before probing.

Are you sure you need this? I thought the netdev notifier "replays"
registration events (i.e. sends "fake" events for already present
netdevs).

If I'm wrong this should still be a separate patch from the rtnl
reorder.
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