linux-kernel - Re: [PATCH v12 00/25] x86/resctrl: Move the resctrl filesystem code to /fs/resctrl

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Message-ID: <cd9a0659-8d58-4b12-bb8c-b566c587c630@intel.com>
Date: Thu, 15 May 2025 11:04:52 -0700
From: Reinette Chatre <reinette.chatre@...el.com>
To: James Morse <james.morse@....com>, <x86@...nel.org>,
	<linux-kernel@...r.kernel.org>, Borislav Petkov <bp@...en8.de>
CC: Thomas Gleixner <tglx@...utronix.de>, Ingo Molnar <mingo@...hat.com>, "H
 Peter Anvin" <hpa@...or.com>, Babu Moger <Babu.Moger@....com>,
	<shameerali.kolothum.thodi@...wei.com>, D Scott Phillips OS
	<scott@...amperecomputing.com>, <carl@...amperecomputing.com>,
	<lcherian@...vell.com>, <bobo.shaobowang@...wei.com>,
	<tan.shaopeng@...itsu.com>, <baolin.wang@...ux.alibaba.com>, Jamie Iles
	<quic_jiles@...cinc.com>, Xin Hao <xhao@...ux.alibaba.com>,
	<peternewman@...gle.com>, <dfustini@...libre.com>, <amitsinght@...vell.com>,
	David Hildenbrand <david@...hat.com>, Rex Nie <rex.nie@...uarmicro.com>,
	"Dave Martin" <dave.martin@....com>, Koba Ko <kobak@...dia.com>, Shanker
 Donthineni <sdonthineni@...dia.com>, <fenghuay@...dia.com>
Subject: Re: [PATCH v12 00/25] x86/resctrl: Move the resctrl filesystem code
 to /fs/resctrl

Hi Boris and x86 Maintainers,

On 5/15/25 9:58 AM, James Morse wrote:
> Hello!
> 
> No code changes since v11 - this is the 'final' form of the series
> with patches v11:24-29 squashed together. See [v11] for the breakdown.
> 
> The first four patches are a series from Yury which I've rebased onto.
> 
> This series is based on rc5, and can be retrieved from:
> git://git.kernel.org/pub/scm/linux/kernel/git/morse/linux.git mpam/move_to_fs/v12

(mpam/move_to_fs/v12 -> mpam/move_to_fs/v12_final)

> 
> With the exception of invalid configurations for the configurable-events, there
> should be no changes in behaviour caused by this series. It is now possible for
> throttle_mode to report 'undefined', but no known platform will do this.
> resctrl_exit() is now something that can be called, but x86 doesn't do this.
> 
> The driving pattern is to make things like struct rdtgroup private to resctrl.
> Features like pseudo-lock aren't going to work on arm64, the ability to disable
> it at compile time is added.
> 
> After this, I can start posting the MPAM driver to make use of resctrl on arm64.
> (What's MPAM? See the cover letter of the first series. [1])
> 
> Bugs are still welcome!
> Thanks,
> 
> James
> 

Could you please consider this work for inclusion?

Thank you very much.

Reinette