linux-kernel - Re: [PATCH v23 17/19] x86/resctrl: Enable shared RMID mode on Sub-NUMA Cluster (SNC) systems

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Message-ID: <20240702085921.GBZoPBadgHD8wD4wXf@fat_crate.local>
Date: Tue, 2 Jul 2024 10:59:21 +0200
From: Borislav Petkov <bp@...en8.de>
To: Tony Luck <tony.luck@...el.com>
Cc: Fenghua Yu <fenghua.yu@...el.com>,
	Reinette Chatre <reinette.chatre@...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>, x86@...nel.org,
	linux-kernel@...r.kernel.org, patches@...ts.linux.dev
Subject: Re: [PATCH v23 17/19] x86/resctrl: Enable shared RMID mode on
 Sub-NUMA Cluster (SNC) systems

On Fri, Jun 28, 2024 at 02:56:17PM -0700, Tony Luck wrote:
> +	rdmsrl(MSR_RMID_SNC_CONFIG, val);
> +	val &= ~BIT_ULL(0);
> +	wrmsrl(MSR_RMID_SNC_CONFIG, val);

msr_clear_bit

-- 
Regards/Gruss,
    Boris.

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