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

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Date: Mon, 17 Jun 2024 09:47:12 -0400
From: Zack Rusin <zack.rusin@...adcom.com>
To: Borislav Petkov <bp@...en8.de>
Cc: Maarten Lankhorst <maarten.lankhorst@...ux.intel.com>, Maxime Ripard <mripard@...nel.org>, 
	Thomas Zimmermann <tzimmermann@...e.de>, David Airlie <airlied@...il.com>, Daniel Vetter <daniel@...ll.ch>, 
	Alexey Makhalov <alexey.makhalov@...adcom.com>, linux-kernel@...r.kernel.org, 
	bcm-kernel-feedback-list@...adcom.com, lkp@...el.com, 
	dri-devel@...ts.freedesktop.org, 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 Mon, Jun 17, 2024 at 6:02 AM Borislav Petkov <bp@...en8.de> wrote:
>
> On Mon, Jun 17, 2024 at 11:07:09AM +0200, Borislav Petkov wrote:
> > 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...
>
> Actually, that's a DRM patch.
>
> Folks in To: ok to carry this though the tip tree?

That's fine with me. Thanks.

z