linux-kernel - [PATCH 0/2] x86/resctrl: Optimize some resctrl code

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Message-ID: <20250611021547.2766889-1-tan.shaopeng@jp.fujitsu.com>
Date: Wed, 11 Jun 2025 11:15:37 +0900
From: Shaopeng Tan <tan.shaopeng@...fujitsu.com>
To: x86@...nel.org,
	linux-kernel@...r.kernel.org
Cc: Reinette Chatre <reinette.chatre@...el.com>,
	James Morse <james.morse@....com>,
	Yury Norov <yury.norov@...il.com>,
	Dave Martin <dave.martin@....com>,
	fenghuay@...dia.com,
	peternewman@...gle.com,
	Babu Moger <Babu.Moger@....com>,
	Borislav Petkov <bp@...en8.de>,
	shameerali.kolothum.thodi@...wei.com,
	bobo.shaobowang@...wei.com,
	D Scott Phillips OS <scott@...amperecomputing.com>,
	carl@...amperecomputing.com,
	Koba Ko <kobak@...dia.com>,
	Shanker Donthineni <sdonthineni@...dia.com>,
	Xin Hao <xhao@...ux.alibaba.com>,
	baolin.wang@...ux.alibaba.com,
	lcherian@...vell.com,
	amitsinght@...vell.com,
	Ingo Molnar <mingo@...hat.com>,
	David Hildenbrand <david@...hat.com>,
	H Peter Anvin <hpa@...or.com>,
	Rex Nie <rex.nie@...uarmicro.com>,
	Jamie Iles <quic_jiles@...cinc.com>,
	dfustini@...libre.com,
	Thomas Gleixner <tglx@...utronix.de>
Subject: [PATCH 0/2] x86/resctrl: Optimize some resctrl code

Hello Reinette, James, and Yury,

These two patches are just optimizations for the following patches
by James. The behavior has not changed.

https://lore.kernel.org/lkml/aB4jHPsWVNqrSG6W@yury/
https://lore.kernel.org/all/a86e72d1-1a1d-4348-9e2d-34b799571518@arm.com/

Shaopeng Tan (2):
  x86/resctrl: Remove unnecessary cpumask_nth_andnot()
  x86/resctrl: Optimize code in rdt_get_tree()

 fs/resctrl/rdtgroup.c   |  6 ++----
 include/linux/cpumask.h | 16 ----------------
 2 files changed, 2 insertions(+), 20 deletions(-)

-- 
2.43.5