Re: [PATCH v9 10/26] x86/resctrl: Introduce bitmap mbm_cntr_free_map to track assignable counters
From: Reinette Chatre
Date: Fri Nov 15 2024 - 19:14:30 EST
Hi Babu,
On 10/29/24 4:21 PM, Babu Moger wrote:
> Hardware provides a set of counters when mbm_assign_mode is supported.
> These counters are assigned to the MBM monitoring events of a CTRL_MON or
> MON group that needs to be tracked. The kernel must manage and track the
> available counters.
>
> Introduce mbm_cntr_free_map bitmap to track available counters and set
> of routines to allocate and free the counters.
>
> dom_data_init() requires mbm_cntr_assign state to initialize
> mbm_cntr_free_map bitmap. Move dom_data_init() after mbm_cntr_assign
> detection.
>
> Signed-off-by: Babu Moger <babu.moger@xxxxxxx>
> ---
Reviewed-by: Reinette Chatre <reinette.chatre@xxxxxxxxx>
Reinette