simplify the mdev interface v8

[Alex Williamson]

On Wed, 28 Sep 2022 14:11:10 +0200
Christoph Hellwig <hch at lst.de> wrote:

> On Tue, Sep 27, 2022 at 03:54:26PM -0600, Alex Williamson wrote:
> > Oops, I had to drop this, I get a null pointer from gvt-g code:  
> 
> Ok, this is a stupid bug in the second patch in the series.  I did not
> hit it in my mdev testing as my script just uses the first type and
> thus never hits these, but as your trace showed mdevctl and once I
> used that I could reproduce it.  The fix for patch 2 is below, and
> the git tree at:
> 
>    git://git.infradead.org/users/hch/misc.git mvdev-lifetime
> 
> has been updated with that folded in and the recent reviews.
> 
> ---
> diff --git a/drivers/gpu/drm/i915/gvt/vgpu.c b/drivers/gpu/drm/i915/gvt/vgpu.c
> index 1b67328c714f1..b0d5dafd013f4 100644
> --- a/drivers/gpu/drm/i915/gvt/vgpu.c
> +++ b/drivers/gpu/drm/i915/gvt/vgpu.c
> @@ -123,7 +123,7 @@ int intel_gvt_init_vgpu_types(struct intel_gvt *gvt)
>  
>  		sprintf(gvt->types[i].name, "GVTg_V%u_%s",
>  			GRAPHICS_VER(gvt->gt->i915) == 8 ? 4 : 5, conf->name);
> -		gvt->types->conf = conf;
> +		gvt->types[i].conf = conf;
>  		gvt->types[i].avail_instance = min(low_avail / conf->low_mm,
>  						   high_avail / conf->high_mm);

Fix folded in, re-applied to vfio next branch for v6.1.  Thanks,

Alex