Re: [PATCH v7 36/49] x86/resctrl: Add end-marker to the resctrl_event_id enum

Fenghua Yu
2025-03-06T22:31:55Z

On 2/28/25 11:59, James Morse wrote:
> The resctrl_event_id enum gives names to the counter event numbers on x86.
> These are used directly by resctrl.
>
> To allow the MPAM driver to keep an array of these the size of the enum
> needs to be known.
>
> Add a 'num_events' define which can be used to size an array. This isn't
> a member of the enum to avoid updating switch statements that would
> otherwise be missing a case.
>
> Signed-off-by: James Morse <james.morse@arm.com>
> Tested-by: Carl Worth <carl@os.amperecomputing.com> # arm64
> Tested-by: Shaopeng Tan <tan.shaopeng@jp.fujitsu.com>
> Reviewed-by: Shaopeng Tan <tan.shaopeng@jp.fujitsu.com>
> Reviewed-by: Tony Luck <tony.luck@intel.com>
> Reviewed-by: Reinette Chatre <reinette.chatre@intel.com>
Reviewed-by: Fenghua Yu <fenghuay@nvidia.com>

Thanks.

-Fenghua