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-rw-r--r--include/asm-x86_64/smp.h6
1 files changed, 6 insertions, 0 deletions
diff --git a/include/asm-x86_64/smp.h b/include/asm-x86_64/smp.h
index c57ce407134..b9fb2173ef9 100644
--- a/include/asm-x86_64/smp.h
+++ b/include/asm-x86_64/smp.h
@@ -135,5 +135,11 @@ static __inline int logical_smp_processor_id(void)
}
#endif
+#ifdef CONFIG_SMP
+#define cpu_physical_id(cpu) x86_cpu_to_apicid[cpu]
+#else
+#define cpu_physical_id(cpu) boot_cpu_id
+#endif
+
#endif