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Date:   Fri, 16 Apr 2021 11:08:36 -0700
From:   Stephen Hemminger <stephen@networkplumber.org>
To:     Dexuan Cui <decui@microsoft.com>
Cc:     Haiyang Zhang <haiyangz@microsoft.com>,
        "davem@davemloft.net" <davem@davemloft.net>,
        "kuba@kernel.org" <kuba@kernel.org>,
        KY Srinivasan <kys@microsoft.com>,
        Stephen Hemminger <sthemmin@microsoft.com>,
        "wei.liu@kernel.org" <wei.liu@kernel.org>,
        Wei Liu <liuwe@microsoft.com>,
        "netdev@vger.kernel.org" <netdev@vger.kernel.org>,
        "leon@kernel.org" <leon@kernel.org>,
        "andrew@lunn.ch" <andrew@lunn.ch>,
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        Shachar Raindel <shacharr@microsoft.com>,
        "linux-kernel@vger.kernel.org" <linux-kernel@vger.kernel.org>,
        "linux-hyperv@vger.kernel.org" <linux-hyperv@vger.kernel.org>
Subject: Re: [PATCH v7 net-next] net: mana: Add a driver for Microsoft Azure
 Network Adapter (MANA)
Message-ID: <20210416110836.67a4a88e@hermes.local>
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On Fri, 16 Apr 2021 17:58:45 +0000
Dexuan Cui <decui@microsoft.com> wrote:

> > >
> > > This probably should be a separate patch.
> > > I think it is trying to address the case of VF discovery in Hyper-V/Azure where
> > > the reported
> > > VF from Hypervisor is bogus or confused.  
> > 
> > This is for the Multi vPorts feature of MANA driver, which allows one VF to
> > create multiple vPorts (NICs). They have the same PCI device and same VF
> > serial number, but different MACs.
> > 
> > So we put the change in one patch to avoid distro vendors missing this
> > change when backporting the MANA driver.
> > 
> > Thanks,
> > - Haiyang  
> 
> The netvsc change should come together in the same patch with this VF
> driver, otherwise the multi-vPorts functionality doesn't work properly.
> 
> The netvsc change should not break any other existing VF drivers, because
> Hyper-V NIC SR-IOV implementation requires the the NetVSC network
> interface and the VF network interface should have the same MAC address,
> otherwise things won't work.
> 
> Thanks,
> Dexuan

Distro vendors should be able to handle a patch series.
Don't see why this could not be two patch series.