#ifndef __ASM_TOPOLOGY_H #define __ASM_TOPOLOGY_H #ifdef CONFIG_SMP #include struct cpu_topology { int thread_id; int core_id; int cluster_id; cpumask_t thread_sibling; cpumask_t core_sibling; }; extern struct cpu_topology cpu_topology[NR_CPUS]; #define topology_physical_package_id(cpu) (cpu_topology[cpu].cluster_id) #define topology_core_id(cpu) (cpu_topology[cpu].core_id) #define topology_core_cpumask(cpu) (&cpu_topology[cpu].core_sibling) #define topology_thread_cpumask(cpu) (&cpu_topology[cpu].thread_sibling) void init_cpu_topology(void); void store_cpu_topology(unsigned int cpuid); const struct cpumask *cpu_coregroup_mask(int cpu); #else static inline void init_cpu_topology(void) { } static inline void store_cpu_topology(unsigned int cpuid) { } #endif #include #endif /* _ASM_ARM_TOPOLOGY_H */