Re: [PATCHv6 01/16] x86/cpu: Enumerate the LASS feature bits

Borislav Petkov
2025-06-20T16:36:10Z

On Fri, Jun 20, 2025 at 04:53:09PM +0300, Kirill A. Shutemov wrote:
> diff --git a/arch/x86/include/asm/cpufeatures.h b/arch/x86/include/asm/cpufeatures.h
> index ee176236c2be..4473a6f7800b 100644
> --- a/arch/x86/include/asm/cpufeatures.h
> +++ b/arch/x86/include/asm/cpufeatures.h
> @@ -313,6 +313,7 @@
> #define X86_FEATURE_SM4 (12*32+ 2) /* SM4 instructions */
> #define X86_FEATURE_AVX_VNNI (12*32+ 4) /* "avx_vnni" AVX VNNI instructions */
> #define X86_FEATURE_AVX512_BF16 (12*32+ 5) /* "avx512_bf16" AVX512 BFLOAT16 instructions */
> +#define X86_FEATURE_LASS (12*32+ 6) /* "lass" Linear Address Space Separation */

This needs to be in /proc/cpuinfo because...?

--
Regards/Gruss,
Boris.