[Intel-gfx] [PATCH v2 15/18] vfio/gvt: Make DRM_I915_GVT depend on VFIO_MDEV

[Zhenyu Wang]

On 2021.04.06 16:40:38 -0300, Jason Gunthorpe wrote:
> At some point there may have been some reason for this weird split in this
> driver, but today only the VFIO side is actually implemented.
> 
> However, it got messed up at some point and mdev code was put in gvt.c and
> is pretending to be "generic" by masquerading as some generic attribute list:
> 
>    static MDEV_TYPE_ATTR_RO(description);
> 
> But MDEV_TYPE attributes are only usable with mdev_device, nothing else.
> 
> Ideally all of this would be moved to kvmgt.c, but it is entangled with
> the rest of the "generic" code in an odd way. Thus put in a kconfig
> dependency so we don't get randconfig failures when the next patch creates
> a link time dependency related to the use of MDEV_TYPE.
> 
> Reviewed-by: Kevin Tian <kevin.tian at intel.com>
> Reviewed-by: Christoph Hellwig <hch at lst.de>
> Signed-off-by: Jason Gunthorpe <jgg at nvidia.com>
> ---
>  drivers/gpu/drm/i915/Kconfig | 1 +
>  1 file changed, 1 insertion(+)
> 
> diff --git a/drivers/gpu/drm/i915/Kconfig b/drivers/gpu/drm/i915/Kconfig
> index 1e1cb245fca778..483e9ff8ca1d23 100644
> --- a/drivers/gpu/drm/i915/Kconfig
> +++ b/drivers/gpu/drm/i915/Kconfig
> @@ -101,6 +101,7 @@ config DRM_I915_GVT
>  	bool "Enable Intel GVT-g graphics virtualization host support"
>  	depends on DRM_I915
>  	depends on 64BIT
> +	depends on VFIO_MDEV
>  	default n
>  	help
>  	  Choose this option if you want to enable Intel GVT-g graphics
> -- 

Acked-by: Zhenyu Wang <zhenyuw at linux.intel.com>
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