Re: [PATCH 7/7] x86/resctrl: Determine if Sub-NUMA Cluster is enabled and initialize.

[Moger, Babu]

On 2/28/2023 2:39 PM, Luck, Tony wrote:
> Babu wrote:
> > I am thinking loud here. Have you thought of addressing this problem?
> > When a new monitor group is created, new RMID is assigned. This is done by alloc_rmid. It does not know about the rmid_offset details. This will allocate the one of the free RMIDs.
> > When CPUs are assigned to the group, then per cpu  pqr_state is updated. At that point, this RMID becomes default_rmid for that cpu.
> Good point. This is a gap. I haven't handled assigning CPUs to resctrl groups when SNC is enabled.

You may need to document it.

Thanks

Babu