Linux kernel mirror (for testing)
git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
kernel
os
linux
MIPS: Loongson: Make cpumask_of_node() robust against NUMA_NO_NODE
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>
authored by
John Garry
and committed by
Thomas Bogendoerfer
d55d3fe2
63804fed
+1
-1
+1
-1
arch/mips/include/asm/mach-loongson64/topology.h
+1
-1
arch/mips/include/asm/mach-loongson64/topology.h
···
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#define cpu_to_node(cpu) (cpu_logical_map(cpu) >> 2)
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extern cpumask_t __node_cpumask[];
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-
#define cpumask_of_node(node) (&__node_cpumask[node])
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+
#define cpumask_of_node(node) ((node) == NUMA_NO_NODE ? cpu_all_mask : &__node_cpumask[node])
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struct pci_bus;
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extern int pcibus_to_node(struct pci_bus *);