linux-kernel - Re: [PATCH v1 6/7] vfio/ccw: replace vfio_init_device with _alloc

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Date:   Thu, 20 Oct 2022 09:26:48 -0300
From:   Jason Gunthorpe <jgg@...dia.com>
To:     Eric Farman <farman@...ux.ibm.com>
Cc:     Matthew Rosato <mjrosato@...ux.ibm.com>,
        Alex Williamson <alex.williamson@...hat.com>,
        Cornelia Huck <cohuck@...hat.com>,
        Kevin Tian <kevin.tian@...el.com>, Yi Liu <yi.l.liu@...el.com>,
        Zhenyu Wang <zhenyuw@...ux.intel.com>,
        Zhi Wang <zhi.a.wang@...el.com>,
        Jani Nikula <jani.nikula@...ux.intel.com>,
        Joonas Lahtinen <joonas.lahtinen@...ux.intel.com>,
        Rodrigo Vivi <rodrigo.vivi@...el.com>,
        Tvrtko Ursulin <tvrtko.ursulin@...ux.intel.com>,
        David Airlie <airlied@...il.com>,
        Daniel Vetter <daniel@...ll.ch>,
        Halil Pasic <pasic@...ux.ibm.com>,
        Vineeth Vijayan <vneethv@...ux.ibm.com>,
        Peter Oberparleiter <oberpar@...ux.ibm.com>,
        Heiko Carstens <hca@...ux.ibm.com>,
        Vasily Gorbik <gor@...ux.ibm.com>,
        Alexander Gordeev <agordeev@...ux.ibm.com>,
        Christian Borntraeger <borntraeger@...ux.ibm.com>,
        Sven Schnelle <svens@...ux.ibm.com>,
        Tony Krowiak <akrowiak@...ux.ibm.com>,
        Jason Herne <jjherne@...ux.ibm.com>,
        Harald Freudenberger <freude@...ux.ibm.com>,
        Diana Craciun <diana.craciun@....nxp.com>,
        Eric Auger <eric.auger@...hat.com>,
        Kirti Wankhede <kwankhede@...dia.com>,
        Abhishek Sahu <abhsahu@...dia.com>,
        Yishai Hadas <yishaih@...dia.com>,
        intel-gvt-dev@...ts.freedesktop.org,
        intel-gfx@...ts.freedesktop.org, dri-devel@...ts.freedesktop.org,
        linux-kernel@...r.kernel.org, linux-s390@...r.kernel.org,
        kvm@...r.kernel.org
Subject: Re: [PATCH v1 6/7] vfio/ccw: replace vfio_init_device with _alloc_

On Wed, Oct 19, 2022 at 01:57:41PM -0400, Eric Farman wrote:
> On Wed, 2022-10-19 at 14:15 -0300, Jason Gunthorpe wrote:
> > On Wed, Oct 19, 2022 at 06:21:34PM +0200, Eric Farman wrote:
> > 
> > >  /*
> > >   * Initialize a vfio_device so it can be registered to vfio core.
> > > - *
> > > - * Only vfio-ccw driver should call this interface.
> > >   */
> > >  int vfio_init_device(struct vfio_device *device, struct device
> > > *dev,
> > >                      const struct vfio_device_ops *ops)
> > > @@ -422,7 +420,6 @@ int vfio_init_device(struct vfio_device
> > > *device, struct device *dev,
> > >         ida_free(&vfio.device_ida, device->index);
> > >         return ret;
> > >  }
> > > -EXPORT_SYMBOL_GPL(vfio_init_device);
> > 
> > Should be made static as well
> 
> Agreed. Only reason I didn't was there's a prototype in
> include/linux/vfio.h to satisfy the call to vfio_init_device from
> _vfio_alloc_device, and I didn't want to get into moving things around
> if I didn't need to. I can do that on top, if you'd like.

You can just add a one line forward static declaration at the top of
the file in this patch.

Jason