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https://gitee.com/open-loongarch/linux-6.12.git
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John Garry
5b9c288a39
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>
48 lines
1.1 KiB
C
48 lines
1.1 KiB
C
/* SPDX-License-Identifier: GPL-2.0 */
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/*
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* Copyright (C) 2020-2022 Loongson Technology Corporation Limited
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*/
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#ifndef __ASM_TOPOLOGY_H
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#define __ASM_TOPOLOGY_H
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#include <linux/smp.h>
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#ifdef CONFIG_NUMA
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#include <asm/numa.h>
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extern cpumask_t cpus_on_node[];
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#define cpumask_of_node(node) ((node) == NUMA_NO_NODE ? cpu_all_mask : &cpus_on_node[node])
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struct pci_bus;
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extern int pcibus_to_node(struct pci_bus *);
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#define cpumask_of_pcibus(bus) (cpu_online_mask)
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int __node_distance(int from, int to);
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#define node_distance(from, to) __node_distance(from, to)
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#else
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#define pcibus_to_node(bus) 0
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#endif
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#ifdef CONFIG_SMP
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/*
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* Return cpus that shares the last level cache.
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*/
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static inline const struct cpumask *cpu_coregroup_mask(int cpu)
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{
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return &cpu_llc_shared_map[cpu];
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}
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#define topology_physical_package_id(cpu) (cpu_data[cpu].package)
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#define topology_core_id(cpu) (cpu_data[cpu].core)
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#define topology_core_cpumask(cpu) (&cpu_core_map[cpu])
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#define topology_sibling_cpumask(cpu) (&cpu_sibling_map[cpu])
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#endif
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#include <asm-generic/topology.h>
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static inline void arch_fix_phys_package_id(int num, u32 slot) { }
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#endif /* __ASM_TOPOLOGY_H */
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