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

Xin Li
2025-06-20T15:37:30Z

On 6/20/2025 6:53 AM, Kirill A. Shutemov wrote:
> diff --git a/arch/x86/Kconfig.cpufeatures b/arch/x86/Kconfig.cpufeatures
> index 250c10627ab3..9574c198fc08 100644
> --- a/arch/x86/Kconfig.cpufeatures
> +++ b/arch/x86/Kconfig.cpufeatures
> @@ -124,6 +124,10 @@ config X86_DISABLED_FEATURE_PCID
> def_bool y
> depends on !X86_64
>
> +config X86_DISABLED_FEATURE_LASS
> + def_bool y
> + depends on !X86_64
> +
> config X86_DISABLED_FEATURE_PKU
> def_bool y
> depends on !X86_INTEL_MEMORY_PROTECTION_KEYS

You don't need to add X86_DISABLED_FEATURE_LASS, because the LASS code
is NOT optional at build time, i.e., you now don't have CONFIG_X86_LASS.

It was removed per the change log:

Changes from v1[1]:
- Remove CONFIG_X86_LASS

Thanks!
Xin