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authorH. Peter Anvin <hpa@linux.intel.com>2009-01-30 14:50:57 -0800
committerH. Peter Anvin <hpa@linux.intel.com>2009-01-30 14:50:57 -0800
commit9b7ed8faa034fc2d350e2eff5c68680eb5c43a07 (patch)
tree5c94c34ad30e312604c1ce4f08ab6631b64a94f5 /arch/x86/include/asm/cpu.h
parent6522869c34664dd5f05a0a327e93915b1281c90d (diff)
parentc43e0e46adf79c321ed3fbf0351e1005fb8a2413 (diff)
Merge branch 'core/percpu' into x86/paravirt
Diffstat (limited to 'arch/x86/include/asm/cpu.h')
-rw-r--r--arch/x86/include/asm/cpu.h21
1 files changed, 21 insertions, 0 deletions
diff --git a/arch/x86/include/asm/cpu.h b/arch/x86/include/asm/cpu.h
index bae482df603..f03b23e3286 100644
--- a/arch/x86/include/asm/cpu.h
+++ b/arch/x86/include/asm/cpu.h
@@ -7,6 +7,20 @@
#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;
};
@@ -17,4 +31,11 @@ extern void arch_unregister_cpu(int);
#endif
DECLARE_PER_CPU(int, cpu_state);
+
+#ifdef CONFIG_X86_HAS_BOOT_CPU_ID
+extern unsigned char boot_cpu_id;
+#else
+#define boot_cpu_id 0
+#endif
+
#endif /* _ASM_X86_CPU_H */