linux-kernel - Re: [PATCH v4 37/39] fs/resctrl: Add boiler plate for external resctrl code

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Message-ID: <43c2a525-b8a8-4ea3-80cc-b29dec6e1bfc@intel.com>
Date: Tue, 13 Aug 2024 21:04:51 -0700
From: Reinette Chatre <reinette.chatre@...el.com>
To: James Morse <james.morse@....com>, <x86@...nel.org>,
	<linux-kernel@...r.kernel.org>
CC: Fenghua Yu <fenghua.yu@...el.com>, Thomas Gleixner <tglx@...utronix.de>,
	Ingo Molnar <mingo@...hat.com>, Borislav Petkov <bp@...en8.de>, 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>
Subject: Re: [PATCH v4 37/39] fs/resctrl: Add boiler plate for external
 resctrl code

Hi James,

On 8/2/24 10:28 AM, James Morse wrote:
> Add Makefile and Kconfig for fs/resctrl. Add ARCH_HAS_CPU_RESCTRL
> for the common parts of the resctrl interface and make X86_CPU_RESCTRL
> depend on this.

It does not sound accurate to say that X86_CPU_RESCTRL depends on
ARCH_HAS_CPU_RESCTRL when actually X86_CPU_RESCTRL "selects" ARCH_HAS_CPU_RESCTRL.

> 
> Adding an include of asm/resctrl.h to linux/resctrl.h allows some
> of the files to switch over to using this header instead.

Please replace the vague "some of the files" with accurate information about how
files to switch over are chosen.

Reinette