linux-kernel - Re: [PATCH v4] fs/resctrl: Add CONFIG_RESCTRL_ASSIGN

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Message-ID: <229ccd91-febe-4886-941d-7a3ab5229aa3@intel.com>
Date: Thu, 5 Feb 2026 08:04:51 -0800
From: Reinette Chatre <reinette.chatre@...el.com>
To: Ben Horgan <ben.horgan@....com>, <linux-kernel@...r.kernel.org>
CC: <tony.luck@...el.com>, <Dave.Martin@....com>, <james.morse@....com>,
	<babu.moger@....com>, <bp@...en8.de>, "x86@...nel.org" <x86@...nel.org>
Subject: Re: [PATCH v4] fs/resctrl: Add CONFIG_RESCTRL_ASSIGN_FIXED Kconfig
 entry

+ x86 Maintainers

Hi Ben,

On 2/4/26 8:19 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.
> 
> Add CONFIG_RESCTRL_ASSIGN_FIXED in order to support MPAM where the counter
> assignment mode is indeed fixed.
> 
> 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@....com>
> ---

Thank you.

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

Reinette