Linux kernel mirror (for testing)
git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
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kernel
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linux
1#ifndef _ASM_X86_CPU_H
2#define _ASM_X86_CPU_H
3
4#include <linux/device.h>
5#include <linux/cpu.h>
6#include <linux/topology.h>
7#include <linux/nodemask.h>
8#include <linux/percpu.h>
9
10#ifdef CONFIG_SMP
11
12extern void prefill_possible_map(void);
13
14#else /* CONFIG_SMP */
15
16static inline void prefill_possible_map(void) {}
17
18#define cpu_physical_id(cpu) boot_cpu_physical_apicid
19#define safe_smp_processor_id() 0
20#define stack_smp_processor_id() 0
21
22#endif /* CONFIG_SMP */
23
24struct x86_cpu {
25 struct cpu cpu;
26};
27
28#ifdef CONFIG_HOTPLUG_CPU
29extern int arch_register_cpu(int num);
30extern void arch_unregister_cpu(int);
31#endif
32
33DECLARE_PER_CPU(int, cpu_state);
34
35int mwait_usable(const struct cpuinfo_x86 *);
36
37#endif /* _ASM_X86_CPU_H */