RE: linux-next: Tree for Aug 29 (mlx5)

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> -----Original Message-----
> From: Saeed Mahameed <saeedm@xxxxxxxxxxxx>
> Sent: Thursday, August 29, 2019 2:32 PM
> To: sfr@xxxxxxxxxxxxxxxx; Eran Ben Elisha <eranbe@xxxxxxxxxxxx>; linux-
> next@xxxxxxxxxxxxxxx; rdunlap@xxxxxxxxxxxxx; Haiyang Zhang
> <haiyangz@xxxxxxxxxxxxx>
> Cc: linux-kernel@xxxxxxxxxxxxxxx; netdev@xxxxxxxxxxxxxxx; Leon
> Romanovsky <leonro@xxxxxxxxxxxx>
> Subject: Re: linux-next: Tree for Aug 29 (mlx5)
> 
> On Thu, 2019-08-29 at 12:55 -0700, Randy Dunlap wrote:
> > On 8/29/19 12:54 PM, Randy Dunlap wrote:
> > > On 8/29/19 4:08 AM, Stephen Rothwell wrote:
> > > > Hi all,
> > > >
> > > > Changes since 20190828:
> > > >
> > >
> > > on x86_64:
> > > when CONFIG_PCI_HYPERV=m
> >
> > and CONFIG_PCI_HYPERV_INTERFACE=m
> >
> 
> Haiyang and Eran, I think CONFIG_PCI_HYPERV_INTERFACE was never
> supposed to be a module ? it supposed to provide an always available
> interface to drivers ..
> 
> Anyway, maybe we need to imply CONFIG_PCI_HYPERV_INTERFACE in mlx5.

The symbolic dependency by driver mlx5e,  automatically triggers loading of
pci_hyperv_interface module. And this module can be loaded in any platforms.

Currently, mlx5e driver has #if IS_ENABLED(CONFIG_PCI_HYPERV_INTERFACE)
around the code using the interface.

I agree --
Adding "select PCI_HYPERV_INTERFACE" for mlx5e will clean up these #if's.

Thanks,
- Haiyang




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