[PATCH 3/3] drm/ttm: disable changing the global caching flags on newer AMD CPUs v2

Wed Aug 20 15:12:05 UTC 2025

On Wed, Aug 20, 2025 at 04:33:13PM +0200, Christian König wrote:
> +#ifdef CONFIG_X86
> +	skip_caching_adjustment =
> +		(boot_cpu_data.x86_vendor == X86_VENDOR_AMD) &&
> +		static_cpu_has(X86_FEATURE_CLFLUSH);

cpu_feature_enabled()

> +#endif

I'd prefer if this would call a function in arch/x86/ which tests those
instead of using x86 artifacts in drivers.

Thx.

-- 
Regards/Gruss,
    Boris.

https://people.kernel.org/tglx/notes-about-netiquette