Re: [Intel-gfx] [PATCH 4/6] drm/i915: use vmap in i915_gem_object_map

[Tvrtko Ursulin <tvrtko.ursulin@xxxxxxxxxxxxxxx>]

On 23/09/2020 14:41, Christoph Hellwig wrote:
> On Wed, Sep 23, 2020 at 10:52:33AM +0100, Tvrtko Ursulin wrote:
> > On 18/09/2020 17:37, Christoph Hellwig wrote:
> > > i915_gem_object_map implements fairly low-level vmap functionality in
> > > a driver.  Split it into two helpers, one for remapping kernel memory
> > > which can use vmap, and one for I/O memory that uses vmap_pfn.
> > >
> > > The only practical difference is that alloc_vm_area prefeaults the
> > > vmalloc area PTEs, which doesn't seem to be required here for the
> > > kernel memory case (and could be added to vmap using a flag if actually
> > > required).
> > Patch looks good to me.
> >
> > Series did not get a CI run from our side because of a different base so I
> > don't know if you would like to have a run there? If so you would need to
> > rebase against git://anongit.freedesktop.org/drm-tip drm-tip and you could
> > even send a series to intel-gfx-trybot@xxxxxxxxxxxxxxxxxxxxx, suppressing
> > cc, to check it out without sending a copy to the real mailing list.
> It doesn't seem like I can post to any freedesktop list, as I always
> get rejection messages.  But I'll happily prepare a branch if one
> of you an feed it into your CI.
That's fine, just ping me and I will forward it for testing, thanks!

Regards,

Tvrtko