-#ifndef ASM_X86__CPU_H
-#define ASM_X86__CPU_H
+#ifndef _ASM_X86_CPU_H
+#define _ASM_X86_CPU_H
#include <linux/device.h>
#include <linux/cpu.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;
};
#endif
DECLARE_PER_CPU(int, cpu_state);
-#endif /* ASM_X86__CPU_H */
+
+extern unsigned int boot_cpu_id;
+
+#endif /* _ASM_X86_CPU_H */