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Message-ID: <20240801060826.559858-4-rppt@kernel.org>
Date: Thu,  1 Aug 2024 09:08:03 +0300
From: Mike Rapoport <rppt@...nel.org>
To: linux-kernel@...r.kernel.org
Cc: Alexander Gordeev <agordeev@...ux.ibm.com>,
	Andreas Larsson <andreas@...sler.com>,
	Andrew Morton <akpm@...ux-foundation.org>,
	Arnd Bergmann <arnd@...db.de>,
	Borislav Petkov <bp@...en8.de>,
	Catalin Marinas <catalin.marinas@....com>,
	Christophe Leroy <christophe.leroy@...roup.eu>,
	Dan Williams <dan.j.williams@...el.com>,
	Dave Hansen <dave.hansen@...ux.intel.com>,
	David Hildenbrand <david@...hat.com>,
	"David S. Miller" <davem@...emloft.net>,
	Davidlohr Bueso <dave@...olabs.net>,
	Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
	Heiko Carstens <hca@...ux.ibm.com>,
	Huacai Chen <chenhuacai@...nel.org>,
	Ingo Molnar <mingo@...hat.com>,
	Jiaxun Yang <jiaxun.yang@...goat.com>,
	John Paul Adrian Glaubitz <glaubitz@...sik.fu-berlin.de>,
	Jonathan Cameron <jonathan.cameron@...wei.com>,
	Jonathan Corbet <corbet@....net>,
	Michael Ellerman <mpe@...erman.id.au>,
	Mike Rapoport <rppt@...nel.org>,
	Palmer Dabbelt <palmer@...belt.com>,
	"Rafael J. Wysocki" <rafael@...nel.org>,
	Rob Herring <robh@...nel.org>,
	Samuel Holland <samuel.holland@...ive.com>,
	Thomas Bogendoerfer <tsbogend@...ha.franken.de>,
	Thomas Gleixner <tglx@...utronix.de>,
	Vasily Gorbik <gor@...ux.ibm.com>,
	Will Deacon <will@...nel.org>,
	Zi Yan <ziy@...dia.com>,
	devicetree@...r.kernel.org,
	linux-acpi@...r.kernel.org,
	linux-arch@...r.kernel.org,
	linux-arm-kernel@...ts.infradead.org,
	linux-cxl@...r.kernel.org,
	linux-doc@...r.kernel.org,
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	x86@...nel.org
Subject: [PATCH v3 03/26] MIPS: sgi-ip27: ensure node_possible_map only contains valid nodes

From: "Mike Rapoport (Microsoft)" <rppt@...nel.org>

For SGI IP27 machines node_possible_map is statically set to
NODE_MASK_ALL and it is not updated during NUMA initialization.

Ensure that it only contains nodes present in the system.

Signed-off-by: Mike Rapoport (Microsoft) <rppt@...nel.org>
---
 arch/mips/sgi-ip27/ip27-smp.c | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/arch/mips/sgi-ip27/ip27-smp.c b/arch/mips/sgi-ip27/ip27-smp.c
index 5d2652a1d35a..62733e049570 100644
--- a/arch/mips/sgi-ip27/ip27-smp.c
+++ b/arch/mips/sgi-ip27/ip27-smp.c
@@ -70,11 +70,13 @@ void cpu_node_probe(void)
 	gda_t *gdap = GDA;
 
 	nodes_clear(node_online_map);
+	nodes_clear(node_possible_map);
 	for (i = 0; i < MAX_NUMNODES; i++) {
 		nasid_t nasid = gdap->g_nasidtable[i];
 		if (nasid == INVALID_NASID)
 			break;
 		node_set_online(nasid);
+		node_set(nasid, node_possible_map);
 		highest = node_scan_cpus(nasid, highest);
 	}
 
-- 
2.43.0


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