Re: [RFC PATCH v2 3/5] driver: hwpf: Add support for Intel to hardware prefetch driver

[Dave Hansen]

On 11/3/21 10:21 PM, Kohei Tarumizu wrote:
> +enum register_type __init get_register_type(void)
> +{
> +	if (boot_cpu_data.x86_vendor != X86_VENDOR_INTEL)
> +		return REGISTER_TYPE_NONE;
> +
> +	switch (boot_cpu_data.x86_model) {
> +	/*
> +	 * Note: In addition to BROADWELL, NEHALEM and others have same register
> +	 * specifications as REGISTER_TYPE_BROADWELL. If you want to add support
> +	 * for these processor, add the target model case here.
> +	 */
> +	case INTEL_FAM6_BROADWELL_X:
> +		return REGISTER_TYPE_BROADWELL;
> +	default:
> +		return REGISTER_TYPE_NONE;
> +	}
> +}

Can you do this with a struct and x86_match_cpu() instead?