linux-kernel - [PATCH] vbox: arm64 support for vboxguest

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Message-ID: <5020bcc7-eea4-b0f5-30c1-1da12efdca8f@nerdbynature.de>
Date: Sun, 15 Dec 2024 20:52:26 +0100 (CET)
From: Christian Kujau <lists@...dbynature.de>
To: Hans de Goede <hdegoede@...hat.com>, Arnd Bergmann <arnd@...db.de>, 
    Greg Kroah-Hartman <gregkh@...uxfoundation.org>
cc: linux-kernel@...r.kernel.org, dri-devel@...ts.freedesktop.org, 
    linux-fsdevel@...r.kernel.org
Subject: [PATCH] vbox: arm64 support for vboxguest

My last email[0] still had "RFC" in the subject line, but no comments were 
received. So, in an attempt of stupi^W boldness, this is the same patch 
again, with RFC removed and ready for mainline, maybe?

Hello,

now that VirtualBox able to run as a host on arm64 (e.g. the Apple M3 
processors) I was wondering if there are any plans to port the vboxguest 
driver to that platform? I added ARM64 to the Kconfig files (see below) on 
vboxguest and vboxsf, and also for vboxvideo, and it compiled just like 
that and at least vboxsf appears to work just fine.

I don't know how to test vboxvideo yet (the module loads just fine), but 
if we at least enable to option in the Kconfig file at least people would 
be able to test it :-)

Thanks,
Christian.

[0] https://lore.kernel.org/lkml/f088e1da-8fae-2acb-6f7a-e414708d8e67@nerdbynature.de/

Signed-off-by: Christian Kujau <lists@...dbynature.de>

    vbox: Enable VBOXGUEST on ARM64

diff --git a/drivers/gpu/drm/vboxvideo/Kconfig b/drivers/gpu/drm/vboxvideo/Kconfig
index 180e30b82ab9..dfe92bf23bde 100644
--- a/drivers/gpu/drm/vboxvideo/Kconfig
+++ b/drivers/gpu/drm/vboxvideo/Kconfig
@@ -1,7 +1,7 @@
 # SPDX-License-Identifier: GPL-2.0
 config DRM_VBOXVIDEO
 	tristate "Virtual Box Graphics Card"
-	depends on DRM && X86 && PCI
+	depends on DRM && (ARM64 || X86) && PCI
 	select DRM_CLIENT_SELECTION
 	select DRM_KMS_HELPER
 	select DRM_VRAM_HELPER
diff --git a/drivers/virt/vboxguest/Kconfig b/drivers/virt/vboxguest/Kconfig
index cc329887bfae..11b153e7454e 100644
--- a/drivers/virt/vboxguest/Kconfig
+++ b/drivers/virt/vboxguest/Kconfig
@@ -1,7 +1,7 @@
 # SPDX-License-Identifier: GPL-2.0-only
 config VBOXGUEST
 	tristate "Virtual Box Guest integration support"
-	depends on X86 && PCI && INPUT
+	depends on (ARM64 || X86) && PCI && INPUT
 	help
 	  This is a driver for the Virtual Box Guest PCI device used in
 	  Virtual Box virtual machines. Enabling this driver will add
diff --git a/fs/vboxsf/Kconfig b/fs/vboxsf/Kconfig
index b84586ae08b3..d4694026db8b 100644
--- a/fs/vboxsf/Kconfig
+++ b/fs/vboxsf/Kconfig
@@ -1,6 +1,6 @@
 config VBOXSF_FS
 	tristate "VirtualBox guest shared folder (vboxsf) support"
-	depends on X86 && VBOXGUEST
+	depends on (ARM64 || X86) && VBOXGUEST
 	select NLS
 	help
 	  VirtualBox hosts can share folders with guests, this driver

-- 
BOFH excuse #326:

We need a licensed electrician to replace the light bulbs in the computer room.