Re: [PATCH v7 24/31] x86/resctrl: Add energy/perf choices to rdt boot option

[Reinette Chatre]

Hi Tony,

On 7/11/25 4:53 PM, Tony Luck wrote:
>  #define NUM_RDT_OPTIONS ARRAY_SIZE(rdt_options)
>  
> @@ -865,6 +869,32 @@ bool rdt_cpu_has(int flag)
>  	return ret;
>  }
>  
> +/*
> + * Hardware features that do not have X86_FEATURE_* bits.
> + * There is no "hardware does not support this at all" case.
> + * Assume that the caller has already determined that
> + * support is present and just needs to check if the option has been

nit: "that support is present" -> "that hardware support is present"

option -> feature?

> + * disabled by a quirk that has not been overridden by a command
> + * line option.
> + */

Reinette