Subject: Re: [PATCH v7 net-next] net: mana: Add a driver for Microsoft Azure Network Adapter (MANA)

From: Stephen Hemminger <[email-masked]>
Date: Fri, 16 Apr 2021 11:08:36 -0700

On Fri, 16 Apr 2021 17:58:45 +0000
Dexuan Cui <[email-masked]> 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.