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Diffstat (limited to 'arch/x86/xen/setup.c')
-rw-r--r--arch/x86/xen/setup.c9
1 files changed, 5 insertions, 4 deletions
diff --git a/arch/x86/xen/setup.c b/arch/x86/xen/setup.c
index d67901083888..15c6c68db6a2 100644
--- a/arch/x86/xen/setup.c
+++ b/arch/x86/xen/setup.c
@@ -28,6 +28,9 @@
28/* These are code, but not functions. Defined in entry.S */ 28/* These are code, but not functions. Defined in entry.S */
29extern const char xen_hypervisor_callback[]; 29extern const char xen_hypervisor_callback[];
30extern const char xen_failsafe_callback[]; 30extern const char xen_failsafe_callback[];
31extern void xen_sysenter_target(void);
32extern void xen_syscall_target(void);
33extern void xen_syscall32_target(void);
31 34
32 35
33/** 36/**
@@ -110,7 +113,6 @@ static __cpuinit int register_callback(unsigned type, const void *func)
110 113
111void __cpuinit xen_enable_sysenter(void) 114void __cpuinit xen_enable_sysenter(void)
112{ 115{
113 extern void xen_sysenter_target(void);
114 int ret; 116 int ret;
115 unsigned sysenter_feature; 117 unsigned sysenter_feature;
116 118
@@ -132,8 +134,6 @@ void __cpuinit xen_enable_syscall(void)
132{ 134{
133#ifdef CONFIG_X86_64 135#ifdef CONFIG_X86_64
134 int ret; 136 int ret;
135 extern void xen_syscall_target(void);
136 extern void xen_syscall32_target(void);
137 137
138 ret = register_callback(CALLBACKTYPE_syscall, xen_syscall_target); 138 ret = register_callback(CALLBACKTYPE_syscall, xen_syscall_target);
139 if (ret != 0) { 139 if (ret != 0) {
@@ -160,7 +160,8 @@ void __init xen_arch_setup(void)
160 HYPERVISOR_vm_assist(VMASST_CMD_enable, VMASST_TYPE_writable_pagetables); 160 HYPERVISOR_vm_assist(VMASST_CMD_enable, VMASST_TYPE_writable_pagetables);
161 161
162 if (!xen_feature(XENFEAT_auto_translated_physmap)) 162 if (!xen_feature(XENFEAT_auto_translated_physmap))
163 HYPERVISOR_vm_assist(VMASST_CMD_enable, VMASST_TYPE_pae_extended_cr3); 163 HYPERVISOR_vm_assist(VMASST_CMD_enable,
164 VMASST_TYPE_pae_extended_cr3);
164 165
165 if (register_callback(CALLBACKTYPE_event, xen_hypervisor_callback) || 166 if (register_callback(CALLBACKTYPE_event, xen_hypervisor_callback) ||
166 register_callback(CALLBACKTYPE_failsafe, xen_failsafe_callback)) 167 register_callback(CALLBACKTYPE_failsafe, xen_failsafe_callback))