Re: [PATCH v3] fs/resctrl: Add CONFIG_RESCTRL_ASSIGN_FIXED Kconfig entry

From: Ben Horgan

Date: Wed Feb 04 2026 - 11:13:25 EST


Hi Reinette,

On 2/4/26 16:08, Reinette Chatre wrote:
> Hi Ben,
>
> On 2/4/26 4:02 AM, Ben Horgan wrote:
>> Commit
>>
>> 3b497c3f4f04 ("fs/resctrl: Introduce the interface to display monitoring modes")
>>
>> introduced CONFIG_RESCTRL_ASSIGN_FIXED but left adding the Kconfig entry
>> until it was necessary.
>
> The changelog flow makes a big leap between its two paragraphs. I cannot tell why the
> middle paragraph was dropped since it describes why the change is needed now to connect
> with the opening context. Could you add a middle paragraph like below?
>
> Add CONFIG_RESCTRL_ASSIGN_FIXED in order to support MPAM where the counter assignment
> mode is indeed fixed.

Sorry, I'll do that now. The omission was simply a mistake.

>
>>
>> CONFIG_RESCTRL_ASSIGN_FIXED is a resctrl fs Kconfig option so handle
>> attempts to modify counter assignment mode when it is enabled in resctrl fs
>> rather than delegating to arch specific code.
>>
>> Signed-off-by: Ben Horgan <ben.horgan@xxxxxxx>
>> ---
> Reinette

Thanks,

Ben