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authorJohn Garry <john.g.garry@oracle.com>2026-01-07 12:40:06 +0300
committerSasha Levin <sashal@kernel.org>2026-03-04 15:21:26 +0300
commit0569822bb36c58c4ac59b96bdc8836bb2bbbadee (patch)
tree80eca4a328b55aee25066d5b3a12992d8b8995cb /arch/mips/include
parentf86bee0ef4fd810135fda7e1aa99cb9207bfdd64 (diff)
downloadlinux-0569822bb36c58c4ac59b96bdc8836bb2bbbadee.tar.xz
MIPS: Loongson: Make cpumask_of_node() robust against NUMA_NO_NODE
[ Upstream commit d55d3fe2d1470ac5b6e93efe7998b728013c9fc8 ] The arch definition of cpumask_of_node() cannot handle NUMA_NO_NODE - which is a valid index - so add a check for this. Signed-off-by: John Garry <john.g.garry@oracle.com> Reviewed-by: Huacai Chen <chenhuacai@loongson.cn> Signed-off-by: Thomas Bogendoerfer <tsbogend@alpha.franken.de> Signed-off-by: Sasha Levin <sashal@kernel.org>
Diffstat (limited to 'arch/mips/include')
-rw-r--r--arch/mips/include/asm/mach-loongson64/topology.h2
1 files changed, 1 insertions, 1 deletions
diff --git a/arch/mips/include/asm/mach-loongson64/topology.h b/arch/mips/include/asm/mach-loongson64/topology.h
index 3414a1fd1783..89bb4deab98a 100644
--- a/arch/mips/include/asm/mach-loongson64/topology.h
+++ b/arch/mips/include/asm/mach-loongson64/topology.h
@@ -7,7 +7,7 @@
#define cpu_to_node(cpu) (cpu_logical_map(cpu) >> 2)
extern cpumask_t __node_cpumask[];
-#define cpumask_of_node(node) (&__node_cpumask[node])
+#define cpumask_of_node(node) ((node) == NUMA_NO_NODE ? cpu_all_mask : &__node_cpumask[node])
struct pci_bus;
extern int pcibus_to_node(struct pci_bus *);