linux-kernel - Re: [PATCH v13 16/27] x86/resctrl: Pass entire struct rdtgroup rather than passing individual members

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Message-ID: <d4bf97a2-15ae-4093-bdf9-63c78d07eb4a@intel.com>
Date: Thu, 22 May 2025 16:05:59 -0700
From: Reinette Chatre <reinette.chatre@...el.com>
To: Babu Moger <babu.moger@....com>, <corbet@....net>, <tony.luck@...el.com>,
	<tglx@...utronix.de>, <mingo@...hat.com>, <bp@...en8.de>,
	<dave.hansen@...ux.intel.com>
CC: <james.morse@....com>, <dave.martin@....com>, <fenghuay@...dia.com>,
	<x86@...nel.org>, <hpa@...or.com>, <paulmck@...nel.org>,
	<akpm@...ux-foundation.org>, <thuth@...hat.com>, <rostedt@...dmis.org>,
	<ardb@...nel.org>, <gregkh@...uxfoundation.org>,
	<daniel.sneddon@...ux.intel.com>, <jpoimboe@...nel.org>,
	<alexandre.chartre@...cle.com>, <pawan.kumar.gupta@...ux.intel.com>,
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	<sohil.mehta@...el.com>, <andrew.cooper3@...rix.com>,
	<mario.limonciello@....com>, <linux-doc@...r.kernel.org>,
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	<maciej.wieczor-retman@...el.com>, <eranian@...gle.com>,
	<Xiaojian.Du@....com>, <gautham.shenoy@....com>
Subject: Re: [PATCH v13 16/27] x86/resctrl: Pass entire struct rdtgroup rather
 than passing individual members

Hi Babu,

On 5/15/25 3:52 PM, Babu Moger wrote:
> The mbm_cntr_assign mode requires a cntr_id to read event data. The

cntr_id -> "counter ID"

> cntr_id is retrieved via mbm_cntr_get, which takes a struct rdtgroup as

cntr_id -> "counter ID"

mbm_cntr_get -> mbm_cntr_get()

> a parameter.
> 
> Passing the full rdtgroup also provides access to closid and rmid, both of

closid -> CLOSID
rmid -> RMID

> which are necessary to read monitoring events.
> 
> Refactor the code to pass the entire struct rdtgroup instead of individual

"the entire" -> "a pointer to"

> members in preparation for this requirement.
> 
> Suggested-by: Reinette Chatre <reinette.chatre@...el.com>
> Signed-off-by: Babu Moger <babu.moger@....com>
> ---
Patch looks good.

Reinette