linux-kernel - Re: [PATCH v3 0/2] x86/resctrl: Fix Platform QoS issues for Hygon

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Message-ID: <674913ab-77a0-468f-afe9-8047f9835251@intel.com>
Date: Thu, 8 Jan 2026 08:02:33 -0800
From: Reinette Chatre <reinette.chatre@...el.com>
To: Xiaochen Shen <shenxiaochen@...n-hieco.net>, <tony.luck@...el.com>,
	<bp@...en8.de>, <fenghuay@...dia.com>
CC: <babu.moger@....com>, <james.morse@....com>, <Dave.Martin@....com>,
	<x86@...nel.org>, <linux-kernel@...r.kernel.org>
Subject: Re: [PATCH v3 0/2] x86/resctrl: Fix Platform QoS issues for Hygon

Dear x86 maintainers,

Could you please consider this series for inclusion?

Thank you very much.

Reinette

On 12/8/25 10:26 PM, Xiaochen Shen wrote:
> This patch series fixes two issues regarding Platform QoS (resctrl)
> support on Hygon CPUs.
> 
> The first patch adds the missing initialization sequence required for
> proper resctrl functionality. The second patch corrects the bit-width
> configuration for the Memory Bandwidth Monitoring (MBM) counter.
> 
> Changelog:
> v3:
> - Remove the "Fixes: 923f3a2b48bd..." tag in two patches because this
>   commit itself doesn't have an issue (Fenghua).
> 
> v2:
> - Add "Reviewed-by:" tag in patch 1/2:
>   "Reviewed-by: Reinette Chatre <reinette.chatre@...el.com>"
> - Add "Reviewed-by:" tags in patch 2/2:
>   "Reviewed-by: Tony Luck <tony.luck@...el.com>"
>   "Reviewed-by: Reinette Chatre <reinette.chatre@...el.com>"
> - Move the "Cc: stable@...r.kernel.org" tag to be after the author's SoB
>   to comply with tip tree rules (Reinette)
> 
> Xiaochen Shen (2):
>   x86/resctrl: Add missing resctrl initialization for Hygon
>   x86/resctrl: Fix memory bandwidth counter width for Hygon
> 
>  arch/x86/kernel/cpu/resctrl/core.c     | 21 +++++++++++++++++----
>  arch/x86/kernel/cpu/resctrl/internal.h |  3 +++
>  2 files changed, 20 insertions(+), 4 deletions(-)
>