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LoongArch: Make cpumask_of_node() robust against NUMA_NO_NODE

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The arch definition of cpumask_of_node() cannot handle NUMA_NO_NODE -
which is a valid index - so add a check for this.

Cc: stable@vger.kernel.org
Signed-off-by: John Garry <john.g.garry@oracle.com>
Signed-off-by: Huacai Chen <chenhuacai@loongson.cn>
Signed-off-by: maoxiaochuan <maoxiaochuan@loongson.cn>
This commit is contained in:
John Garry
2026-08-24 10:58:15 +08:00
committed by maoxiaochuan
parent 30535140db
commit 5b9c288a39
1 changed files with 1 additions and 1 deletions
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arch/loongarch/include/asm/topology.h
+1 -1
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@@ -12,7 +12,7 @@
extern cpumask_t cpus_on_node[];
#define cpumask_of_node(node) (&cpus_on_node[node])
#define cpumask_of_node(node) ((node) == NUMA_NO_NODE ? cpu_all_mask : &cpus_on_node[node])
struct pci_bus;
extern int pcibus_to_node(struct pci_bus *);