On Thu, May 24, 2018 at 07:51:40PM +0530, Souptick Joarder wrote:
> On Thu, May 24, 2018 at 6:27 PM, Daniel Vetter <daniel@xxxxxxxx> wrote:
> > On Wed, May 23, 2018 at 03:05:35PM +0530, Souptick Joarder wrote:
> >> On Mon, May 14, 2018 at 9:56 PM, Daniel Vetter <daniel@xxxxxxxx> wrote:
> >> > On Thu, May 10, 2018 at 02:51:38PM -0400, Sean Paul wrote:
> >> >> On Thu, May 10, 2018 at 07:58:11PM +0530, Souptick Joarder wrote:
> >> >> > Hi Sean,
> >> >> >
> >> >> > On Mon, Apr 16, 2018 at 8:32 PM, Souptick Joarder <jrdr.linux@xxxxxxxxx> wrote:
> >> >> > > Use new return type vm_fault_t for fault handler.
> >> >> > >
> >> >> > > Signed-off-by: Souptick Joarder <jrdr.linux@xxxxxxxxx>
> >> >> > > Reviewed-by: Matthew Wilcox <mawilcox@xxxxxxxxxxxxx>
> >> >> > > ---
> >> >> > > drivers/gpu/drm/vgem/vgem_drv.c | 5 ++---
> >> >> > > 1 file changed, 2 insertions(+), 3 deletions(-)
> >> >> > >
> >> >> > > diff --git a/drivers/gpu/drm/vgem/vgem_drv.c b/drivers/gpu/drm/vgem/vgem_drv.c
> >> >> > > index 2524ff1..c64a859 100644
> >> >> > > --- a/drivers/gpu/drm/vgem/vgem_drv.c
> >> >> > > +++ b/drivers/gpu/drm/vgem/vgem_drv.c
> >> >> > > @@ -61,13 +61,13 @@ static void vgem_gem_free_object(struct drm_gem_object *obj)
> >> >> > > kfree(vgem_obj);
> >> >> > > }
> >> >> > >
> >> >> > > -static int vgem_gem_fault(struct vm_fault *vmf)
> >> >> > > +static vm_fault_t vgem_gem_fault(struct vm_fault *vmf)
> >> >> > > {
> >> >> > > struct vm_area_struct *vma = vmf->vma;
> >> >> > > struct drm_vgem_gem_object *obj = vma->vm_private_data;
> >> >> > > /* We don't use vmf->pgoff since that has the fake offset */
> >> >> > > unsigned long vaddr = vmf->address;
> >> >> > > - int ret;
> >> >> > > + vm_fault_t ret = VM_FAULT_SIGBUS;
> >> >> > > loff_t num_pages;
> >> >> > > pgoff_t page_offset;
> >> >> > > page_offset = (vaddr - vma->vm_start) >> PAGE_SHIFT;
> >> >> > > @@ -77,7 +77,6 @@ static int vgem_gem_fault(struct vm_fault *vmf)
> >> >> > > if (page_offset > num_pages)
> >> >> > > return VM_FAULT_SIGBUS;
> >> >> > >
> >> >> > > - ret = -ENOENT;
> >> >> > > mutex_lock(&obj->pages_lock);
> >> >> > > if (obj->pages) {
> >> >> > > get_page(obj->pages[page_offset]);
> >> >> > > --
> >> >> > > 1.9.1
> >> >> > >
> >> >> >
> >> >> > Any further comment on this patch ?
> >> >>
> >> >> Patch looks good to me. My build test fails, though, since vm_fault_t doesn't
> >> >> exist in drm-misc-next yet.
> >> >
> >> > vm_fault_t is already in upstream, just needs Maarten to do a backmerge.
> >> > Which I think he's done by now ... Otherwise nag him more :-)
> >> > -Daniel
> >> >
> >> >>
> >> >> So, for now,
> >> >>
> >> >> Reviewed-by: Sean Paul <seanpaul@xxxxxxxxxxxx>
> >> >>
> >> >>
> >> >> --
> >> >> Sean Paul, Software Engineer, Google / Chromium OS
> >> >> _______________________________________________
> >> >> dri-devel mailing list
> >> >> dri-devel@xxxxxxxxxxxxxxxxxxxxx
> >> >> https://lists.freedesktop.org/mailman/listinfo/dri-devel
> >> >
> >> > --
> >> > Daniel Vetter
> >> > Software Engineer, Intel Corporation
> >> > http://blog.ffwll.ch
> >>
> >> Daniel/ Sean, is this patch already merged for 4.18 ?
> >
> > Nope, fell through the cracks. Thanks for the reminder, queued for 4.18
> > now.
> > -Daniel
>
> Thanks Daniel :).
> Few other similar drm driver patches are also candidates
> for 4.18. Are you the right Maintainer to make a request
> for the same ?
No, please try to find others. I'm occasionally picking stuff up that fell
through all the cracks, as a last resort, but if I make that a habit then
this doesn't scale. Please check with MAINTAINERS who's more appropriate
to get nag mails from you :-)
Thanks, Daniel
--
Daniel Vetter
Software Engineer, Intel Corporation
http://blog.ffwll.ch
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