Re: [PATCH v7 09/24] x86/resctrl: Introduce bitmap mbm_cntr_free_map to track assignable counters

[Peter Newman]

Hi Babu,

On Wed, Sep 4, 2024 at 3:23 PM Babu Moger <babu.moger@xxxxxxx> wrote:

> diff --git a/include/linux/resctrl.h b/include/linux/resctrl.h
> index f11d6fdfd977..aab22ff8e0c1 100644
> --- a/include/linux/resctrl.h
> +++ b/include/linux/resctrl.h
> @@ -187,12 +187,14 @@ enum resctrl_scope {
>   * @num_rmid:          Number of RMIDs available
>   * @num_mbm_cntrs:     Number of assignable monitoring counters
>   * @mbm_cntr_assignable:Is system capable of supporting monitor assignment?
> + * @mbm_cntr_free_map: bitmap of number of assignable MBM counters
>   * @evt_list:          List of monitoring events
>   */
>  struct resctrl_mon {
>         int                     num_rmid;
>         int                     num_mbm_cntrs;
>         bool                    mbm_cntr_assignable;
> +       unsigned long           *mbm_cntr_free_map;
>         struct list_head        evt_list;
>  };

This looks global still. Will only all-domain (*=) operations be
supported initially?

Thanks,
-Peter