#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 start_cpu0(void); #ifdef CONFIG_DEBUG_HOTPLUG_CPU0 extern int _debug_hotplug_cpu(int cpu, int action); #endif #endif int mwait_usable(const struct cpuinfo_x86 *); #endif /* _ASM_X86_CPU_H */