netdev - Re: [PATCH net-next v4] hv_netvsc: Mark VF as slave before exposing it to user-mode

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Date: Fri, 10 Nov 2023 12:05:13 -0800
From: Jakub Kicinski <kuba@...nel.org>
To: Long Li <longli@...rosoft.com>
Cc: "longli@...uxonhyperv.com" <longli@...uxonhyperv.com>, KY Srinivasan
 <kys@...rosoft.com>, Haiyang Zhang <haiyangz@...rosoft.com>, Wei Liu
 <wei.liu@...nel.org>, Dexuan Cui <decui@...rosoft.com>, "David S. Miller"
 <davem@...emloft.net>, Eric Dumazet <edumazet@...gle.com>, Paolo Abeni
 <pabeni@...hat.com>, "linux-hyperv@...r.kernel.org"
 <linux-hyperv@...r.kernel.org>, "netdev@...r.kernel.org"
 <netdev@...r.kernel.org>, "linux-kernel@...r.kernel.org"
 <linux-kernel@...r.kernel.org>
Subject: Re: [PATCH net-next v4] hv_netvsc: Mark VF as slave before exposing
 it to user-mode

On Fri, 10 Nov 2023 00:43:55 +0000 Long Li wrote:
> The code above needs to work with and without netvsc (the possible
> master device) present.

I don't think that's a reasonable requirement for the kernel code.

The auto-bonding already puts the kernel into business of guessing
policy, which frankly we shouldn't be in.

Having the kernel guess even harder that there will be a master,
but it's not there yet, is not reasonable.