linux-kernel - Re: [PATCH v20 05/18] x86/resctrl: Add node-scope to the options for feature scope

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Date: Thu, 20 Jun 2024 14:15:01 -0700
From: Reinette Chatre <reinette.chatre@...el.com>
To: Tony Luck <tony.luck@...el.com>, Fenghua Yu <fenghua.yu@...el.com>, Maciej
 Wieczor-Retman <maciej.wieczor-retman@...el.com>, Peter Newman
	<peternewman@...gle.com>, James Morse <james.morse@....com>, Babu Moger
	<babu.moger@....com>, Drew Fustini <dfustini@...libre.com>, Dave Martin
	<Dave.Martin@....com>
CC: <x86@...nel.org>, <linux-kernel@...r.kernel.org>,
	<patches@...ts.linux.dev>
Subject: Re: [PATCH v20 05/18] x86/resctrl: Add node-scope to the options for
 feature scope

Hi Tony,

On 6/10/24 11:35 AM, Tony Luck wrote:
> Currently supported resctrl features are all domain scoped the same as the
> scope of the L2 or L3 caches.
> 
> Add RESCTRL_L3_NODE as a new option for features that are scoped at the
> same granularity as NUMA nodes. This is needed for Intel's Sub-NUMA
> Cluster (SNC) feature where monitoring features are divided between
> nodes that share an L3 cache.
> 
> Signed-off-by: Tony Luck <tony.luck@...el.com>
> ---

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

Reinette