From 1a5726528a70bb239bdd149aef7f2155cd2b1699 Mon Sep 17 00:00:00 2001
From: Ingo Molnar <mingo@elte.hu>
Date: Mon, 2 Jun 2008 12:21:36 +0200
Subject: [PATCH] fix build bug in "x86: add PCI extended config space access
 for AMD Barcelona"

---
 arch/x86/kernel/cpu/amd.c  | 1 +
 include/asm-x86/mmconfig.h | 4 ++++
 2 files changed, 5 insertions(+)

diff --git a/arch/x86/kernel/cpu/amd.c b/arch/x86/kernel/cpu/amd.c
index 99221f9834e..656b40aed64 100644
--- a/arch/x86/kernel/cpu/amd.c
+++ b/arch/x86/kernel/cpu/amd.c
@@ -4,6 +4,7 @@
 #include <asm/io.h>
 #include <asm/processor.h>
 #include <asm/apic.h>
+#include <asm/mmconfig.h>
 
 #include <mach_apic.h>
 #include "../setup.h"
diff --git a/include/asm-x86/mmconfig.h b/include/asm-x86/mmconfig.h
index 46d6bb135df..691798fbee1 100644
--- a/include/asm-x86/mmconfig.h
+++ b/include/asm-x86/mmconfig.h
@@ -9,6 +9,10 @@ static inline void fam10h_check_enable_mmcfg(void) { }
 static inline void check_enable_amd_mmconf_dmi(void) { }
 #endif
 
+#if defined(CONFIG_SMP) && defined(CONFIG_X86_64)
 extern void __cpuinit amd_enable_pci_ext_cfg(struct cpuinfo_x86 *c);
+#else
+static inline void amd_enable_pci_ext_cfg(struct cpuinfo_x86 *c) { }
+#endif
 
 #endif
-- 
2.41.1