RE: [PATCH v7] Revert "PCI: hv: Use device serial number as PCI domain"

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> -----Original Message-----
> From: Sridhar Pitchai
> Sent: Thursday, April 12, 2018 11:14 AM
> To: Bjorn Helgaas <helgaas@xxxxxxxxxx>; Lorenzo Pieralisi
> <lorenzo.pieralisi@xxxxxxx>
> Cc: Haiyang Zhang <haiyangz@xxxxxxxxxxxxx>; Dexuan Cui
> <decui@xxxxxxxxxxxxx>; Stephen Hemminger <sthemmin@xxxxxxxxxxxxx>;
> Jake Oshins <jakeo@xxxxxxxxxxxxx>; KY Srinivasan <kys@xxxxxxxxxxxxx>;
> Michael Kelley (EOSG) <Michael.H.Kelley@xxxxxxxxxxxxx>;
> devel@xxxxxxxxxxxxxxxxxxxxxx; linux-pci@xxxxxxxxxxxxxxx; linux-
> kernel@xxxxxxxxxxxxxxx
> Subject: Re: [PATCH v7] Revert "PCI: hv: Use device serial number as PCI
> domain"
> 
>     >> I am still not happy with this patch.
>     >>
>     >> -  You do not explain at all the dependency on commit 0c195567a8f6 and
>     >>    you should because that's fundamental, if that patch is not present
>     >>    this revert breaks the kernel as per previous discussions[1].
>     >> -  You are sending this patch to all stable kernels that contain the
>     >>    commit you are fixing - some that may not contain the commit above
>     >>    (that was merged in v4.14), you are breaking those kernels, if not
>     >>    explain me why please
> 
>     >If there's a dependency on 0c195567a8f6, I totally agree that
>     >needs to be cleared up.  I was assuming that turned out to be
>     >irrelevant.
> That is right. There is no dependency on 0c195567a8f6. We just need to revert
> 4a9b0933bdfc.

This patch should only be applied to later versions after  0c195567a8f6" (transparent VF). Otherwise it causes long & random names of VF NICs for bonding. That will make bonding config difficult, especially for auto config.

Thanks,
- Haiyang
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