/* SPDX-License-Identifier: GPL-2.0 */ #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 [31mCONFIG_SMP[0m 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 cpu_acpi_id(cpu) 0 #define safe_smp_processor_id() 0 #endif /* CONFIG_SMP */ struct x86_cpu { struct cpu cpu; }; #ifdef [31mCONFIG_HOTPLUG_CPU[0m extern int arch_register_cpu(int num); extern void arch_unregister_cpu(int); extern void start_cpu0(void); #ifdef [31mCONFIG_DEBUG_HOTPLUG_CPU0[0m extern int _debug_hotplug_cpu(int cpu, int action); #endif #endif int mwait_usable(const struct cpuinfo_x86 *); unsigned int x86_family(unsigned int sig); unsigned int x86_model(unsigned int sig); unsigned int x86_stepping(unsigned int sig); #endif /* _ASM_X86_CPU_H */ |