| #ifndef _ASM_X86_CPU_H |
| #define _ASM_X86_CPU_H |
| |
| #include <linux/device.h> |
| #include <linux/cpu.h> |
| #include <linux/topology.h> |
| #include <linux/nodemask.h> |
| #include <linux/percpu.h> |
| |
| #ifdef CONFIG_SMP |
| |
| extern void prefill_possible_map(void); |
| |
| #else /* CONFIG_SMP */ |
| |
| static inline void prefill_possible_map(void) {} |
| |
| #define cpu_physical_id(cpu) boot_cpu_physical_apicid |
| #define safe_smp_processor_id() 0 |
| #define stack_smp_processor_id() 0 |
| |
| #endif /* CONFIG_SMP */ |
| |
| struct x86_cpu { |
| struct cpu cpu; |
| }; |
| |
| #ifdef CONFIG_HOTPLUG_CPU |
| extern int arch_register_cpu(int num); |
| extern void arch_unregister_cpu(int); |
| extern void __cpuinit start_cpu0(void); |
| #ifdef CONFIG_DEBUG_HOTPLUG_CPU0 |
| extern int _debug_hotplug_cpu(int cpu, int action); |
| #endif |
| #endif |
| |
| DECLARE_PER_CPU(int, cpu_state); |
| |
| int mwait_usable(const struct cpuinfo_x86 *); |
| |
| #endif /* _ASM_X86_CPU_H */ |