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From: Reinette Chatre <reinette.chatre@intel.com>
To: <babu.moger@amd.com>, <corbet@lwn.net>, <fenghua.yu@intel.com>,
	<tglx@linutronix.de>, <mingo@redhat.com>, <bp@alien8.de>,
	<dave.hansen@linux.intel.com>
Cc: <x86@kernel.org>, <hpa@zytor.com>, <paulmck@kernel.org>,
	<rdunlap@infradead.org>, <tj@kernel.org>, <peterz@infradead.org>,
	<yanjiewtw@gmail.com>, <kim.phillips@amd.com>,
	<lukas.bulwahn@gmail.com>, <seanjc@google.com>,
	<jmattson@google.com>, <leitao@debian.org>, <jpoimboe@kernel.org>,
	<rick.p.edgecombe@intel.com>, <kirill.shutemov@linux.intel.com>,
	<jithu.joseph@intel.com>, <kai.huang@intel.com>,
	<kan.liang@linux.intel.com>, <daniel.sneddon@linux.intel.com>,
	<pbonzini@redhat.com>, <sandipan.das@amd.com>,
	<ilpo.jarvinen@linux.intel.com>, <peternewman@google.com>,
	<maciej.wieczor-retman@intel.com>, <linux-doc@vger.kernel.org>,
	<linux-kernel@vger.kernel.org>, <eranian@google.com>,
	<james.morse@arm.com>
Subject: Re: [RFC PATCH v3 00/17] x86/resctrl : Support AMD Assignable Bandwidth Monitoring Counters (ABMC)
Date: Tue, 7 May 2024 13:26:34 -0700	[thread overview]
Message-ID: <ea75801f-e56a-486d-85a4-85c57bce0c81@intel.com> (raw)
In-Reply-To: <2016b830-64c7-43bd-8116-bdfd239221e3@amd.com>

Hi Babu,

On 5/6/2024 10:18 AM, Moger, Babu wrote:
> On 5/3/24 18:24, Reinette Chatre wrote:
>> On 3/28/2024 6:06 PM, Babu Moger wrote:
>>
>>> a. Check if ABMC support is available
>>> 	#mount -t resctrl resctrl /sys/fs/resctrl/
>>>
>>> 	#cat /sys/fs/resctrl/info/L3_MON/mbm_assign
>>> 	[abmc] 
>>> 	legacy_mbm
>>>
>>> 	Linux kernel detected ABMC feature and it is enabled.
>>
>> Please note that this adds the "abmc" feature to the resctrl
>> *filesystem* that supports more architectures than just AMD. Calling the
>> resctrl filesystem feature "abmc" means that (a) AMD needs to be ok with
>> other architectures calling their features that are
>> similar-but-maybe-not-identical-to-AMD-ABMC "abmc", or (b) this needs
>> a new generic name.
> 
> It should not a problem if other architecture calling abmc for similar
> feature. But generic name is always better if there is a suggestion.

"should not a problem" does not instill confidence that AMD is
actually ok with this.

Reinette


  reply	other threads:[~2024-05-07 20:26 UTC|newest]

Thread overview: 108+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2024-03-29  1:06 [RFC PATCH v3 00/17] x86/resctrl : Support AMD Assignable Bandwidth Monitoring Counters (ABMC) Babu Moger
2024-03-29  1:06 ` [RFC PATCH v3 01/17] x86/resctrl: Add support for " Babu Moger
2024-05-03 23:25   ` Reinette Chatre
2024-05-06 17:57     ` Moger, Babu
2024-03-29  1:06 ` [RFC PATCH v3 02/17] x86/resctrl: Add ABMC feature in the command line options Babu Moger
2024-03-29  1:06 ` [RFC PATCH v3 03/17] x86/resctrl: Detect Assignable Bandwidth Monitoring feature details Babu Moger
2024-05-03 23:26   ` Reinette Chatre
2024-05-06 19:09     ` Moger, Babu
2024-05-07 20:27       ` Reinette Chatre
2024-05-09 22:34         ` Moger, Babu
2024-05-10  3:18           ` Reinette Chatre
2024-05-10 17:01             ` Moger, Babu
2024-05-10 18:34               ` Reinette Chatre
2024-05-11  1:40                 ` Moger, Babu
2024-03-29  1:06 ` [RFC PATCH v3 04/17] x86/resctrl: Introduce resctrl_file_fflags_init Babu Moger
2024-05-03 23:26   ` Reinette Chatre
2024-05-06 20:23     ` Moger, Babu
2024-05-07 20:27       ` Reinette Chatre
2024-05-10  0:23         ` Moger, Babu
2024-03-29  1:06 ` [RFC PATCH v3 05/17] x86/resctrl: Introduce the interface to display the assignment state Babu Moger
2024-05-03 23:28   ` Reinette Chatre
2024-05-07 16:28     ` Moger, Babu
2024-05-07 20:32       ` Reinette Chatre
2024-03-29  1:06 ` [RFC PATCH v3 06/17] x86/resctrl: Introduce interface to display number of ABMC counters Babu Moger
2024-03-29  1:06 ` [RFC PATCH v3 07/17] x86/resctrl: Add support to enable/disable ABMC feature Babu Moger
2024-04-04  0:30   ` Peter Newman
2024-04-04 15:16     ` Moger, Babu
2024-04-04 17:36       ` Peter Newman
2024-04-04 18:35         ` Moger, Babu
2024-04-04 18:43     ` Reinette Chatre
2024-04-04 19:01       ` Peter Newman
2024-05-16 20:03     ` Moger, Babu
2024-05-03 23:30   ` Reinette Chatre
2024-05-07 19:12     ` Moger, Babu
2024-05-07 20:32       ` Reinette Chatre
2024-05-09 21:45         ` Moger, Babu
2024-03-29  1:06 ` [RFC PATCH v3 08/17] x86/resctrl: Initialize assignable counters bitmap Babu Moger
2024-05-03 23:31   ` Reinette Chatre
2024-05-07 20:03     ` Moger, Babu
2024-03-29  1:06 ` [RFC PATCH v3 09/17] x86/resctrl: Introduce assign state for the mon group Babu Moger
2024-04-16 18:52   ` Peter Newman
2024-04-16 19:52     ` Moger, Babu
2024-03-29  1:06 ` [RFC PATCH v3 10/17] x86/resctrl: Add data structures for ABMC assignment Babu Moger
2024-05-03 23:32   ` Reinette Chatre
2024-05-07 20:40     ` Moger, Babu
2024-05-07 23:06       ` Reinette Chatre
2024-05-10  0:28         ` Moger, Babu
2024-03-29  1:06 ` [RFC PATCH v3 11/17] x86/resctrl: Introduce mbm_total_cfg and mbm_local_cfg Babu Moger
2024-05-03 23:33   ` Reinette Chatre
2024-05-08 15:57     ` Moger, Babu
2024-03-29  1:06 ` [RFC PATCH v3 12/17] x86/resctrl: Add the functionality to assign the RMID Babu Moger
2024-05-03 23:33   ` Reinette Chatre
2024-05-08 17:40     ` Moger, Babu
2024-03-29  1:06 ` [RFC PATCH v3 13/17] x86/resctrl: Add the functionality to unassign " Babu Moger
2024-03-29  1:06 ` [RFC PATCH v3 14/17] x86/resctrl: Enable ABMC by default on resctrl mount Babu Moger
2024-03-29  1:06 ` [RFC PATCH v3 15/17] x86/resctrl: Introduce the interface switch between ABMC and legacy_mbm Babu Moger
2024-03-29  1:06 ` [RFC PATCH v3 16/17] x86/resctrl: Introduce interface to list assignment states of all the groups Babu Moger
2024-03-29  1:06 ` [RFC PATCH v3 17/17] x86/resctrl: Introduce interface to modify assignment states of " Babu Moger
2024-04-17 17:45   ` Peter Newman
2024-04-17 19:39     ` Moger, Babu
2024-04-17 20:56       ` Peter Newman
2024-04-17 22:52         ` Moger, Babu
2024-05-02 23:00           ` Reinette Chatre
2024-05-03 16:14             ` Moger, Babu
2024-05-03 21:16               ` Reinette Chatre
2024-05-06 18:09                 ` Moger, Babu
2024-05-02 16:21   ` Dave Martin
2024-05-02 17:52     ` Reinette Chatre
2024-05-02 18:11       ` Moger, Babu
2024-05-03 14:53       ` Dave Martin
2024-05-03 21:15         ` Reinette Chatre
2024-04-04 19:08 ` [RFC PATCH v3 00/17] x86/resctrl : Support AMD Assignable Bandwidth Monitoring Counters (ABMC) Peter Newman
2024-04-04 20:02   ` Moger, Babu
2024-04-22 16:34     ` Dave Martin
2024-04-22 20:44       ` Moger, Babu
2024-04-23 12:37         ` Dave Martin
2024-04-24  4:15           ` Reinette Chatre
2024-04-24 14:16             ` Dave Martin
2024-04-24 19:10               ` Moger, Babu
2024-04-22 16:33 ` Dave Martin
2024-04-22 18:23   ` Peter Newman
2024-04-23 12:38     ` Dave Martin
2024-04-23 15:43       ` Moger, Babu
2024-04-23 16:17         ` Dave Martin
2024-05-01 17:48 ` Peter Newman
2024-05-02 16:25   ` Moger, Babu
2024-05-02 17:50     ` Peter Newman
2024-05-02 20:14       ` Moger, Babu
2024-05-02 23:21         ` Reinette Chatre
2024-05-03  0:57           ` Peter Newman
2024-05-03 20:44             ` Moger, Babu
2024-05-03 21:00               ` Peter Newman
2024-05-03 21:15                 ` Reinette Chatre
2024-05-17 21:51                   ` Peter Newman
2024-05-20 14:25                     ` Moger, Babu
2024-05-20 16:00                       ` Peter Newman
2024-05-20 18:03                         ` Moger, Babu
2024-05-10  0:57               ` Moger, Babu
2024-05-10  2:47                 ` Reinette Chatre
2024-05-03 21:14             ` Reinette Chatre
2024-05-03 23:24 ` Reinette Chatre
2024-05-06 17:18   ` Moger, Babu
2024-05-07 20:26     ` Reinette Chatre [this message]
2024-05-08 20:07       ` Moger, Babu
2024-05-08 20:41         ` Reinette Chatre
2024-05-08 23:29           ` Moger, Babu
2024-05-09 18:07             ` Reinette Chatre
2024-05-09 20:34               ` Moger, Babu

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