linux-kernel - RE: [PATCH net,v3, 2/2] hv_netvsc: Fix race of register_netdevice

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Message-ID: <PH7PR21MB3116D65E4546544628C61EF8CAAFA@PH7PR21MB3116.namprd21.prod.outlook.com>
Date:   Thu, 9 Nov 2023 14:39:05 +0000
From:   Haiyang Zhang <haiyangz@...rosoft.com>
To:     Jakub Kicinski <kuba@...nel.org>
CC:     "linux-hyperv@...r.kernel.org" <linux-hyperv@...r.kernel.org>,
        "netdev@...r.kernel.org" <netdev@...r.kernel.org>,
        KY Srinivasan <kys@...rosoft.com>,
        "wei.liu@...nel.org" <wei.liu@...nel.org>,
        Dexuan Cui <decui@...rosoft.com>,
        "edumazet@...gle.com" <edumazet@...gle.com>,
        "pabeni@...hat.com" <pabeni@...hat.com>,
        "davem@...emloft.net" <davem@...emloft.net>,
        "linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
        "stable@...r.kernel.org" <stable@...r.kernel.org>
Subject: RE: [PATCH net,v3, 2/2] hv_netvsc: Fix race of
 register_netdevice_notifier and VF register



> -----Original Message-----
> From: Jakub Kicinski <kuba@...nel.org>
> Sent: Wednesday, November 8, 2023 9:26 PM
> To: Haiyang Zhang <haiyangz@...rosoft.com>
> Cc: linux-hyperv@...r.kernel.org; netdev@...r.kernel.org; KY Srinivasan
> <kys@...rosoft.com>; wei.liu@...nel.org; Dexuan Cui
> <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,v3, 2/2] hv_netvsc: Fix race of
> register_netdevice_notifier and VF register
> 
> On Tue,  7 Nov 2023 13:05:32 -0800 Haiyang Zhang wrote:
> > If VF NIC is registered earlier, NETDEV_REGISTER event is replayed,
> > but NETDEV_POST_INIT is not.
> 
> But Long Li sent the patch which starts to use POST_INIT against
> the net-next tree. If we apply this to net and Long Li's patch to
> net-next one release will have half of the fixes.
> 
> I think that you should add Long Li's patch to this series. That'd
> limit the confusion and git preserves authorship of the changes, so
> neither of you will loose the credit.

Will do.

Thanks,
- Haiyang