linux-kernel - Re: [PATCH 1/2] drm/vmwgfx: Fix missing HYPERVISOR

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Message-ID: <20240617090709.GCZm_8vdnLzt048UH_@fat_crate.local>
Date: Mon, 17 Jun 2024 11:07:09 +0200
From: Borislav Petkov <bp@...en8.de>
To: Alexey Makhalov <alexey.makhalov@...adcom.com>
Cc: linux-kernel@...r.kernel.org, bcm-kernel-feedback-list@...adcom.com,
	lkp@...el.com, zack.rusin@...adcom.com,
	dri-devel@...ts.freedesktop.org, daniel@...ll.ch, airlied@...il.com,
	tzimmermann@...e.de, mripard@...nel.org,
	maarten.lankhorst@...ux.intel.com, linux-iio@...r.kernel.org,
	jic23@...nel.org, lars@...afoo.de, nuno.sa@...log.com,
	dragos.bogdan@...log.com, anshulusr@...il.com,
	andrea.collamati@...il.com, oe-kbuild-all@...ts.linux.dev,
	x86@...nel.org
Subject: Re: [PATCH 1/2] drm/vmwgfx: Fix missing HYPERVISOR_GUEST dependency

On Sat, Jun 15, 2024 at 06:25:10PM -0700, Alexey Makhalov wrote:
> VMWARE_HYPERCALL alternative will not work as intended without
> VMware guest code initialization.
> 
> Reported-by: kernel test robot <lkp@...el.com>
> Closes: https://lore.kernel.org/oe-kbuild-all/202406152104.FxakP1MB-lkp@intel.com/
> Signed-off-by: Alexey Makhalov <alexey.makhalov@...adcom.com>
> ---
>  drivers/gpu/drm/vmwgfx/Kconfig | 2 +-
>  1 file changed, 1 insertion(+), 1 deletion(-)
> 
> diff --git a/drivers/gpu/drm/vmwgfx/Kconfig b/drivers/gpu/drm/vmwgfx/Kconfig
> index faddae3d6ac2..6f1ac940cbae 100644
> --- a/drivers/gpu/drm/vmwgfx/Kconfig
> +++ b/drivers/gpu/drm/vmwgfx/Kconfig
> @@ -2,7 +2,7 @@
>  config DRM_VMWGFX
>  	tristate "DRM driver for VMware Virtual GPU"
>  	depends on DRM && PCI && MMU
> -	depends on X86 || ARM64
> +	depends on (X86 && HYPERVISOR_GUEST) || ARM64
>  	select DRM_TTM
>  	select DRM_TTM_HELPER
>  	select MAPPING_DIRTY_HELPERS
> -- 

Right, I'll queue this soon but it doesn't reproduce here with gcc-11 or gcc-13.
This must be something gcc-9 specific or so...

-- 
Regards/Gruss,
    Boris.

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