Re: [PATCH v7 03/24] x86/resctrl: Create helper for RMID allocation and mondata dir creation

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

Hi James,

On 10/25/2023 11:03 AM, James Morse wrote:
> When monitoring is supported, each monitor and control group is allocated
> an RMID. For control groups, rdtgroup_mkdir_ctrl_mon() later goes on to
> allocate the CLOSID.
> 
> MPAM's equivalent of RMID are not an independent number, so can't be
> allocated until the CLOSID is known. An RMID allocation for one CLOSID
> may fail, whereas another may succeed depending on how many monitor
> groups a control group has.
> 
> The RMID allocation needs to move to be after the CLOSID has been
> allocated.
> 
> Move the RMID allocation and mondata dir creation to a helper, this
> makes a subsequent change easier to read.

Boris recently reminded us that text like "subsequent change" loses meaning
once the commit forms part of the kernel. This term is used in a couple of
places in this series. Please review all changelogs to remove this term
to avoid another re-spin.

For reference:
https://lore.kernel.org/lkml/20231009171918.GPZSQ2Frs%2Fqp129wsP@fat_crate.local/

> 
> Tested-by: Peter Newman <peternewman@google.com>
> Tested-by: Shaopeng Tan <tan.shaopeng@fujitsu.com>
> Reviewed-by: Shaopeng Tan <tan.shaopeng@fujitsu.com>
> Reviewed-by: Ilpo Järvinen <ilpo.jarvinen@linux.intel.com>
> Reviewed-by: Reinette Chatre <reinette.chatre@intel.com>
> Signed-off-by: James Morse <james.morse@arm.com>

Please have tags follow "Ordering of commit tags" in
Documentation/process/maintainer-tip.rst (author SOB
appears before the Tested-by/Reviewed-by/Acked-by).

Reinette