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