linux-kernel - [PATCH] x86/resctrl: Support Sub-NUMA Cluster (SNC) mode on Clearwater Forest

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Message-Id: <20250926041722.510371-1-yu.c.chen@intel.com>
Date: Fri, 26 Sep 2025 12:17:22 +0800
From: Chen Yu <yu.c.chen@...el.com>
To: Tony Luck <tony.luck@...el.com>,
	Reinette Chatre <reinette.chatre@...el.com>
Cc: Fenghua Yu <fenghuay@...dia.com>,
	"Wieczor-Retman, Maciej" <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,
	Chen Yu <yu.c.chen@...el.com>
Subject: [PATCH] x86/resctrl: Support Sub-NUMA Cluster (SNC) mode on Clearwater Forest

Clearwater Forest supports SNC mode. Add it to the snc_cpu_ids[] table.

Signed-off-by: Chen Yu <yu.c.chen@...el.com>
---
 arch/x86/kernel/cpu/resctrl/monitor.c | 1 +
 1 file changed, 1 insertion(+)

diff --git a/arch/x86/kernel/cpu/resctrl/monitor.c b/arch/x86/kernel/cpu/resctrl/monitor.c
index c261558276cd..6691b6937240 100644
--- a/arch/x86/kernel/cpu/resctrl/monitor.c
+++ b/arch/x86/kernel/cpu/resctrl/monitor.c
@@ -285,6 +285,7 @@ static const struct x86_cpu_id snc_cpu_ids[] __initconst = {
 	X86_MATCH_VFM(INTEL_EMERALDRAPIDS_X, 0),
 	X86_MATCH_VFM(INTEL_GRANITERAPIDS_X, 0),
 	X86_MATCH_VFM(INTEL_ATOM_CRESTMONT_X, 0),
+	X86_MATCH_VFM(INTEL_ATOM_DARKMONT_X, 0),
 	{}
 };
 
-- 
2.25.1