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From: qinyuntan <qinyuntan@linux.alibaba.com>
To: Babu Moger <babu.moger@amd.com>
Cc: tony.luck@intel.com, reinette.chatre@intel.com, corbet@lwn.net,
	Dave.Martin@arm.com, james.morse@arm.com, tglx@kernel.org,
	bp@alien8.de, dave.hansen@linux.intel.com, x86@kernel.org,
	feng.tang@linux.alibaba.com, linux-kernel@vger.kernel.org
Subject: Re: [PATCH v3 00/12] x86/resctrl: Add kernel-mode (e.g., PLZA) support to the resctrl subsystem
Date: Wed, 10 Jun 2026 09:40:13 +0800	[thread overview]
Message-ID: <7d7577a4-b0e8-4b18-a4f8-4455c23d62a5@linux.alibaba.com> (raw)
In-Reply-To: <3ef23412-48ff-49ab-8a85-b3d607f56be8@amd.com>



在 6/9/26 10:10 PM, Babu Moger 写道:
> Good catch. Will add in empty stubs in next revision for these 3 functions.

Thanks.

> This is expected. We intended to expose the info/kernel_mode file for 
> all architectures, and it will display the default mode 
> inherit_ctrl_and_mon.
> 
> This approach was also suggested by Reinette.
> https://lore.kernel.org/lkml/2ab556af-095b-422b-9396- 
> f845c6fd0342@intel.com/

Got it, makes sense.  Thanks for the pointer to Reinette's suggestion.

Qinyun

  reply	other threads:[~2026-06-10  1:40 UTC|newest]

Thread overview: 67+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2026-04-30 23:24 [PATCH v3 00/12] " Babu Moger
2026-04-30 23:24 ` [PATCH v3 01/12] x86/resctrl: Support Privilege-Level Zero Association (PLZA) Babu Moger
2026-06-11 23:23   ` Reinette Chatre
2026-06-12 16:56     ` Moger, Babu
2026-06-12 17:00       ` Moger, Babu
2026-06-17  0:00       ` Reinette Chatre
2026-06-17 16:28         ` Babu Moger
2026-04-30 23:24 ` [PATCH v3 02/12] x86/resctrl: Add data structures and definitions for PLZA configuration Babu Moger
2026-06-11 23:40   ` Reinette Chatre
2026-06-12 15:40     ` Luck, Tony
2026-06-12 17:46       ` Moger, Babu
2026-06-12 17:32     ` Moger, Babu
2026-06-12 17:49       ` Moger, Babu
2026-04-30 23:24 ` [PATCH v3 03/12] fs/resctrl: Add kernel mode (kmode) data structures and arch hook Babu Moger
2026-06-16 23:30   ` Reinette Chatre
2026-06-17 19:36     ` Babu Moger
2026-04-30 23:24 ` [PATCH v3 04/12] x86,fs/resctrl: Program PLZA through kmode arch hooks Babu Moger
2026-05-19 20:59   ` Luck, Tony
2026-05-20 17:49     ` Babu Moger
2026-05-20 22:16       ` Luck, Tony
2026-05-20 23:09         ` Moger, Babu
2026-06-05 10:06           ` Qinyun Tan
2026-06-08 18:17             ` Babu Moger
2026-06-11 11:44           ` Peter Newman
2026-06-11 14:46             ` Babu Moger
2026-06-16 23:33   ` Reinette Chatre
2026-06-17 23:15     ` Moger, Babu
2026-04-30 23:24 ` [PATCH v3 05/12] x86/resctrl: Initialize supported kernel modes for PLZA Babu Moger
2026-06-16 23:35   ` Reinette Chatre
2026-06-18 16:20     ` Babu Moger
2026-04-30 23:24 ` [PATCH v3 06/12] fs/resctrl: Initialize the global kernel-mode policy at subsystem init Babu Moger
2026-06-16 23:36   ` Reinette Chatre
2026-06-18 17:14     ` Babu Moger
2026-06-22 16:21       ` Reinette Chatre
2026-06-22 16:38         ` Babu Moger
2026-04-30 23:24 ` [PATCH v3 07/12] fs/resctrl: Add info/kernel_mode for kernel-mode policy introspection Babu Moger
2026-06-16 23:38   ` Reinette Chatre
2026-06-18 19:16     ` Babu Moger
2026-04-30 23:24 ` [PATCH v3 08/12] fs/resctrl: Make info/kernel_mode writable and identify the bound group Babu Moger
2026-06-16 23:42   ` Reinette Chatre
2026-06-19  1:29     ` Babu Moger
2026-06-22 16:47       ` Reinette Chatre
2026-06-22 19:03         ` Babu Moger
2026-04-30 23:24 ` [PATCH v3 09/12] fs/resctrl: Reset kernel-mode binding when its rdtgroup goes away Babu Moger
2026-06-16 23:42   ` Reinette Chatre
2026-06-19 20:22     ` Babu Moger
2026-04-30 23:24 ` [PATCH v3 10/12] fs/resctrl: Expose kmode_cpus / kmode_cpus_list per rdtgroup Babu Moger
2026-04-30 23:24 ` [PATCH v3 11/12] resctrl: Hide kmode_cpus[_list] on groups not bound to kernel-mode Babu Moger
2026-04-30 23:24 ` [PATCH v3 12/12] fs/resctrl: Allow user space to write kmode_cpus / kmode_cpus_list Babu Moger
2026-06-08  9:23 ` [PATCH v3 00/12] x86/resctrl: Add kernel-mode (e.g., PLZA) support to the resctrl subsystem Qinyun Tan
2026-06-09 14:10   ` Babu Moger
2026-06-10  1:40     ` qinyuntan [this message]
2026-06-11 11:17 ` [PATCH 0/4] x86,fs/resctrl: kernel-mode (PLZA) fixes found during review Qinyun Tan
2026-06-11 21:02   ` Babu Moger
2026-06-11 11:17 ` [PATCH 1/4] resctrl: Add kmode arch stubs for ARM MPAM and hide kernel_mode on non-PLZA platforms Qinyun Tan
2026-06-11 11:33   ` [PATCH v2 1/4] resctrl: Add kmode arch stubs for ARM MPAM Qinyun Tan
2026-06-11 11:17 ` [PATCH 2/4] resctrl: Fix PLZA RMID_EN to be mode-based and relax RDTMON_GROUP constraint for assign_mon Qinyun Tan
2026-06-11 11:17 ` [PATCH 3/4] fs/resctrl: make a failed kernel-mode switch a no-op Qinyun Tan
2026-06-11 11:17 ` [PATCH 4/4] fs/resctrl: program PLZA on a CPU that comes online under a binding Qinyun Tan
2026-06-11 21:53 ` [PATCH v3 00/12] [PATCH v3 00/12] x86/resctrl: Add kernel-mode (e.g., PLZA) support to the resctrl subsystem Reinette Chatre
2026-06-12 15:37   ` Moger, Babu
2026-06-17  4:34     ` Reinette Chatre
2026-06-17 15:56       ` Babu Moger
2026-06-17 17:33         ` Reinette Chatre
2026-06-17 19:55           ` Babu Moger
2026-06-26 15:55 ` Luck, Tony
2026-06-29 13:20   ` Moger, Babu

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