Re: [PATCH] x86/retpoline: Fill RSB on context switch for affected CPUs

[Thomas Gleixner]

On Fri, 12 Jan 2018, David Woodhouse wrote:
> +/* Check for Skylake-like CPUs (for RSB handling) */
> +static bool __init is_skylake_era(void)
> +{
> +     if (boot_cpu_data.x86 == 6) {

This wants a checkfor vendor = intel 

> +             switch (boot_cpu_data.x86_model) {
> +             case INTEL_FAM6_SKYLAKE_MOBILE:
> +             case INTEL_FAM6_SKYLAKE_DESKTOP:
> +             case INTEL_FAM6_SKYLAKE_X:
> +             case INTEL_FAM6_KABYLAKE_MOBILE:
> +             case INTEL_FAM6_KABYLAKE_DESKTOP:
> +                     return true;
> +             }
> +     }

Thanks,

        tglx