Re: [PATCH v3 03/26] MIPS: sgi-ip27: ensure node_possible_map only contains valid nodes
From: Jonathan Cameron <Jonathan.Cameron@Huawei.com>
Date: 2024-08-01 17:44:56
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On Thu, 1 Aug 2024 09:08:03 +0300 Mike Rapoport [off-list ref] wrote:
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>
quoted hunk ↗ jump to hunk
--- 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); }