linux-kernel - Re: [PATCH v4 07/19] x86/resctrl: Add support to enable/disable ABMC feature

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Message-ID: <147af3f0-ca05-6abc-fe2e-c7922bda06b1@amd.com>
Date: Fri, 21 Jun 2024 10:44:59 -0500
From: "Moger, Babu" <bmoger@....com>
To: Reinette Chatre <reinette.chatre@...el.com>, babu.moger@....com,
 corbet@....net, fenghua.yu@...el.com, tglx@...utronix.de, mingo@...hat.com,
 bp@...en8.de, dave.hansen@...ux.intel.com
Cc: x86@...nel.org, hpa@...or.com, paulmck@...nel.org, rdunlap@...radead.org,
 tj@...nel.org, peterz@...radead.org, yanjiewtw@...il.com,
 kim.phillips@....com, lukas.bulwahn@...il.com, seanjc@...gle.com,
 jmattson@...gle.com, leitao@...ian.org, jpoimboe@...nel.org,
 rick.p.edgecombe@...el.com, kirill.shutemov@...ux.intel.com,
 jithu.joseph@...el.com, kai.huang@...el.com, kan.liang@...ux.intel.com,
 daniel.sneddon@...ux.intel.com, pbonzini@...hat.com, sandipan.das@....com,
 ilpo.jarvinen@...ux.intel.com, peternewman@...gle.com,
 maciej.wieczor-retman@...el.com, linux-doc@...r.kernel.org,
 linux-kernel@...r.kernel.org, eranian@...gle.com, james.morse@....com
Subject: Re: [PATCH v4 07/19] x86/resctrl: Add support to enable/disable ABMC
 feature

Hi Reinette,

On 6/20/2024 5:02 PM, Reinette Chatre wrote:
> Hi Babu,
> 
> On 6/19/24 8:37 AM, Moger, Babu wrote:
>> On 6/13/24 19:59, Reinette Chatre wrote:
>>> On 5/24/24 5:23 AM, Babu Moger wrote:
> 
>>>> +     * Reset the internal counters so that it is not considered as
>>>> +     * an overflow in next update.
>>>
>>> For the first time the term "internal counters" is introduced. What 
>>> does it
>>> mean?
>>
>> How about "mbm counters"?
> 
> I think it refers to the state resctrl maintains to be able to catch 
> overflows,
> so how about just "architectural state" with matching change of 
> something like:
> 
>      Reset the architectural state so that reading of hardware counter
>      is not considered as an overflow in next update.

Sure. Looks good. thanks

-- 
- Babu Moger