linux-kernel - Re: [PATCH] vfio/pds: Using pci_physfn() to fix a compilation issue

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Date:   Mon, 11 Sep 2023 09:28:02 -0300
From:   Jason Gunthorpe <jgg@...pe.ca>
To:     "Tian, Kevin" <kevin.tian@...el.com>
Cc:     oushixiong <oushixiong@...inos.cn>,
        Yishai Hadas <yishaih@...dia.com>,
        Shameer Kolothum <shameerali.kolothum.thodi@...wei.com>,
        Brett Creeley <brett.creeley@....com>,
        Alex Williamson <alex.williamson@...hat.com>,
        "kvm@...r.kernel.org" <kvm@...r.kernel.org>,
        "linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>
Subject: Re: [PATCH] vfio/pds: Using pci_physfn() to fix a compilation issue

On Mon, Sep 11, 2023 at 08:25:18AM +0000, Tian, Kevin wrote:
> > From: oushixiong <oushixiong@...inos.cn>
> > Sent: Monday, September 11, 2023 4:08 PM
> > 
> > From: Shixiong Ou <oushixiong@...inos.cn>
> > 
> > If PCI_ATS isn't set, then pdev->physfn is not defined.
> > it causes a compilation issue:
> > 
> > ../drivers/vfio/pci/pds/vfio_dev.c:165:30: error: ‘struct pci_dev’ has no
> > member named ‘physfn’; did you mean ‘is_physfn’?
> >   165 |   __func__, pci_dev_id(pdev->physfn), pci_id, vf_id,
> >       |                              ^~~~~~
> > 
> > So using pci_physfn() rather than using pdev->physfn directly.
> > 
> > Signed-off-by: Shixiong Ou <oushixiong@...inos.cn>
> 
> Reviewed-by: Kevin Tian <kevin.tian@...el.com>

Yes, we should do both patches

Reviewed-by: Jason Gunthorpe <jgg@...dia.com>

Jason