linux-kernel - Re: [PATCH v3 04/38] x86/resctrl: Use schema type to determine how to parse schema values

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Message-ID: <2b2a57fc-c873-4029-ac96-3abb21363701@intel.com>
Date: Fri, 28 Jun 2024 09:43:22 -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 v3 04/38] x86/resctrl: Use schema type to determine how to
 parse schema values

Hi James,

On 6/14/24 7:59 AM, James Morse wrote:
> Resctrl's architecture code gets to specify a function pointer that is
> used when parsing schema entries. This is expected to be one of two
> helpers from the filesystem code.
> 
> Setting this function pointer allows the architecture code to change
> the ABI resctrl presents to user-space, and forces resctrl to expose
> these helpers.
> 
> Instead, use the schema format enum to choose which schema parser to
> use. This allows the helpers to be made static and the structs used
> for passing arguments moved out of shared headers.
> 
> Signed-off-by: James Morse <james.morse@....com>
> ---

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

Reinette