linux-kernel - Re: [RFC net-next 0/8] Introducing subdev bus and devlink extension

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Date:   Wed, 9 Jun 2021 19:16:55 +0800
From:   Yunsheng Lin <linyunsheng@...wei.com>
To:     Parav Pandit <parav@...dia.com>, Jakub Kicinski <kuba@...nel.org>
CC:     moyufeng <moyufeng@...wei.com>,
        Jakub Kicinski <jakub.kicinski@...ronome.com>,
        Jiri Pirko <jiri@...nulli.us>,
        Or Gerlitz <gerlitz.or@...il.com>,
        "netdev@...r.kernel.org" <netdev@...r.kernel.org>,
        "linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
        "michal.lkml@...kovi.net" <michal.lkml@...kovi.net>,
        "davem@...emloft.net" <davem@...emloft.net>,
        "gregkh@...uxfoundation.org" <gregkh@...uxfoundation.org>,
        Jiri Pirko <jiri@...dia.com>,
        Salil Mehta <salil.mehta@...wei.com>,
        "lipeng (Y)" <lipeng321@...wei.com>,
        Guangbin Huang <huangguangbin2@...wei.com>,
        "shenjian15@...wei.com" <shenjian15@...wei.com>,
        "chenhao (DY)" <chenhao288@...ilicon.com>,
        Jiaran Zhang <zhangjiaran@...wei.com>,
        "linuxarm@...neuler.org" <linuxarm@...neuler.org>
Subject: Re: [RFC net-next 0/8] Introducing subdev bus and devlink extension

On 2021/6/9 17:52, Parav Pandit wrote:
> 
>> From: Yunsheng Lin <linyunsheng@...wei.com>
>> Sent: Tuesday, June 8, 2021 5:41 PM
> 
>>
>> Is there any reason why VF use its own devlink instance?
> Because devlink instance gives the ability for the VF and SF to control itself.
> (a) device parameters (devlink dev param show)
> (b) resources of the device
> (c) health reporters
> (d) reload in net ns
> 
> There knobs (a) to (c) etc are not for the hypervisor to control. These are mainly for the VF/SF users to manage its own device.

Do we need to disable user from changing the net ns in a container?

>