/* 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 <linux/numa.h> #include <asm/machvec.h> #ifdef [31mCONFIG_NUMA[0m 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 == NUMA_NO_NODE) 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 */ |