| /* SPDX-License-Identifier: GPL-2.0 */ | |
| #ifndef _ASM_ALPHA_TOPOLOGY_H | |
| #define _ASM_ALPHA_TOPOLOGY_H | |
| #include <linux/smp.h> | |
| #include <linux/threads.h> | |
| #include <asm/machvec.h> | |
| #ifdef CONFIG_NUMA | |
| static inline int cpu_to_node(int cpu) | |
| { | |
| int node; | |
| if (!alpha_mv.cpuid_to_nid) | |
| return 0; | |
| node = alpha_mv.cpuid_to_nid(cpu); | |
| #ifdef DEBUG_NUMA | |
| BUG_ON(node < 0); | |
| #endif | |
| return node; | |
| } | |
| extern struct cpumask node_to_cpumask_map[]; | |
| /* FIXME: This is dumb, recalculating every time. But simple. */ | |
| static const struct cpumask *cpumask_of_node(int node) | |
| { | |
| int cpu; | |
| if (node == -1) | |
| return cpu_all_mask; | |
| cpumask_clear(&node_to_cpumask_map[node]); | |
| for_each_online_cpu(cpu) { | |
| if (cpu_to_node(cpu) == node) | |
| cpumask_set_cpu(cpu, node_to_cpumask_map[node]); | |
| } | |
| return &node_to_cpumask_map[node]; | |
| } | |
| #define cpumask_of_pcibus(bus) (cpu_online_mask) | |
| #endif /* !CONFIG_NUMA */ | |
| # include <asm-generic/topology.h> | |
| #endif /* _ASM_ALPHA_TOPOLOGY_H */ |