Re: [PATCH v12 27/31] fs/resctrl: Move RMID initialization to first mount

[Reinette Chatre <reinette.chatre@intel.com>]

Hi Tony,

On 10/13/25 3:33 PM, Tony Luck wrote:
> L3 monitor features are enumerated during resctrl initialization
> and rmid_ptrs[] that tracks all RMIDs and depends on the
> number of supported RMIDs is allocated during this time.
> 
> Telemetry monitor features are enumerated during first resctrl mount and
> may support a different number of RMIDs compared to L3 monitor features.
> 
> Delay allocation and initialization of rmid_ptrs[] until first mount.
> Since the number of RMIDs cannot change on later mounts, keep the same
> set of rmid_ptrs[] until resctrl_exit(). This is required because the
> limbo handler keeps running after resctrl is unmounted and may likely
> need to access rmid_ptrs[] as it keeps tracking busy RMIDs after unmount.

"may likely need" -> "needs"

> 
> Rename routines to match what they now do:
> dom_data_init() -> setup_rmid_lru_list()
> dom_data_exit() -> free_rmid_lru_list()
> 
> Signed-off-by: Tony Luck <tony.luck@intel.com>
> ---

| Reviewed-by: Reinette Chatre <reinette.chatre@intel.com>

Reinette