1 #ifndef __ASM_TOPOLOGY_H
2 #define __ASM_TOPOLOGY_H
6 #include <linux/cpumask.h>
12 cpumask_t thread_sibling;
13 cpumask_t core_sibling;
16 extern struct cpu_topology cpu_topology[NR_CPUS];
18 #define topology_physical_package_id(cpu) (cpu_topology[cpu].cluster_id)
19 #define topology_core_id(cpu) (cpu_topology[cpu].core_id)
20 #define topology_core_cpumask(cpu) (&cpu_topology[cpu].core_sibling)
21 #define topology_thread_cpumask(cpu) (&cpu_topology[cpu].thread_sibling)
23 #define mc_capable() (cpu_topology[0].cluster_id != -1)
24 #define smt_capable() (cpu_topology[0].thread_id != -1)
26 void init_cpu_topology(void);
27 void store_cpu_topology(unsigned int cpuid);
28 const struct cpumask *cpu_coregroup_mask(int cpu);
30 #ifdef CONFIG_DISABLE_CPU_SCHED_DOMAIN_BALANCE
31 /* Common values for CPUs */
33 #define SD_CPU_INIT (struct sched_domain) { \
37 .imbalance_pct = 125, \
38 .cache_nice_tries = 1, \
45 .flags = 0*SD_LOAD_BALANCE \
46 | 1*SD_BALANCE_NEWIDLE \
51 | 0*SD_SHARE_CPUPOWER \
52 | 0*SD_SHARE_PKG_RESOURCES \
55 .last_balance = jiffies, \
56 .balance_interval = 1, \
59 #endif /* CONFIG_DISABLE_CPU_SCHED_DOMAIN_BALANCE */
63 static inline void init_cpu_topology(void) { }
64 static inline void store_cpu_topology(unsigned int cpuid) { }
68 #include <asm-generic/topology.h>
70 #endif /* _ASM_ARM_TOPOLOGY_H */