diff mbox series

[v4,03/26] MIPS: sgi-ip27: ensure node_possible_map only contains valid nodes

Message ID 20240807064110.1003856-4-rppt@kernel.org
State Accepted
Commit 0c4450789cec1ffc8408c1fce9ba123318060b67
Headers show
Series mm: introduce numa_memblks | expand

Commit Message

Mike Rapoport Aug. 7, 2024, 6:40 a.m. UTC 
From: "Mike Rapoport (Microsoft)" <rppt@kernel.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@kernel.org>
Reviewed-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
Tested-by: Jonathan Cameron <Jonathan.Cameron@huawei.com> [arm64 + CXL via QEMU]
Acked-by: Dan Williams <dan.j.williams@intel.com>
Acked-by: David Hildenbrand <david@redhat.com>
---
 arch/mips/sgi-ip27/ip27-smp.c | 2 ++
 1 file changed, 2 insertions(+)
diff mbox series

Patch

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);
 	}