linux-kernel - Re: [PATCH 1/1] Mark xe driver as BROKEN if kernel page size is not 4kB

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Message-ID: <2025072708-saxophone-watch-3020@gregkh>
Date: Sun, 27 Jul 2025 07:28:18 +0200
From: Greg KH <gregkh@...uxfoundation.org>
To: Simon Richter <Simon.Richter@...yros.de>
Cc: intel-xe@...ts.freedesktop.org, dri-devel@...ts.freedesktop.org,
	linux-kernel@...r.kernel.org, stable@...r.kernel.org,
	1109776@...s.debian.org, jeffbai@...c.io
Subject: Re: [PATCH 1/1] Mark xe driver as BROKEN if kernel page size is not
 4kB

On Sun, Jul 27, 2025 at 01:27:36PM +0900, Simon Richter wrote:
> This driver, for the time being, assumes that the kernel page size is 4kB,
> so it fails on loong64 and aarch64 with 16kB pages, and ppc64el with 64kB
> pages.
> ---
>  drivers/gpu/drm/xe/Kconfig | 2 +-
>  1 file changed, 1 insertion(+), 1 deletion(-)
> 
> diff --git a/drivers/gpu/drm/xe/Kconfig b/drivers/gpu/drm/xe/Kconfig
> index 2bb2bc052120..7c9f1de7b35f 100644
> --- a/drivers/gpu/drm/xe/Kconfig
> +++ b/drivers/gpu/drm/xe/Kconfig
> @@ -1,7 +1,7 @@
>  # SPDX-License-Identifier: GPL-2.0-only
>  config DRM_XE
>  	tristate "Intel Xe2 Graphics"
> -	depends on DRM && PCI
> +	depends on DRM && PCI && (PAGE_SIZE_4KB || BROKEN)
>  	depends on KUNIT || !KUNIT
>  	depends on INTEL_VSEC || !INTEL_VSEC
>  	depends on X86_PLATFORM_DEVICES || !(X86 && ACPI)
> -- 
> 2.47.2
> 
> 

<formletter>

This is not the correct way to submit patches for inclusion in the
stable kernel tree.  Please read:
    https://www.kernel.org/doc/html/latest/process/stable-kernel-rules.html
for how to do this properly.

</formletter>