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authorIngo Molnar <mingo@elte.hu>2009-03-13 11:05:58 +0100
committerIngo Molnar <mingo@elte.hu>2009-03-13 11:05:58 +0100
commitcd80a8142efa3468c2cd9fb52845f334c3220d54 (patch)
tree919e88994bd3c09b34ce852d0a09bb0655d231d0 /arch/x86/include/asm/cpu.h
parent641cd4cfcdc71ce01535b31cc4d57d59a1fae1fc (diff)
parenta98fe7f3425c6b4e90de16f8da63b0429a8fed08 (diff)
Merge branch 'x86/core' into core/ipi
Diffstat (limited to 'arch/x86/include/asm/cpu.h')
-rw-r--r--arch/x86/include/asm/cpu.h17
1 files changed, 17 insertions, 0 deletions
diff --git a/arch/x86/include/asm/cpu.h b/arch/x86/include/asm/cpu.h
index bae482df6039..b185091bf19c 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 +31,7 @@ extern void arch_unregister_cpu(int);
#endif
DECLARE_PER_CPU(int, cpu_state);
+
+extern unsigned int boot_cpu_id;
+
#endif /* _ASM_X86_CPU_H */