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Diffstat (limited to 'arch/x86/xen/setup.c')
-rw-r--r--arch/x86/xen/setup.c13
1 files changed, 11 insertions, 2 deletions
diff --git a/arch/x86/xen/setup.c b/arch/x86/xen/setup.c
index 056d11f..403f5cc 100644
--- a/arch/x86/xen/setup.c
+++ b/arch/x86/xen/setup.c
@@ -33,6 +33,9 @@
/* These are code, but not functions. Defined in entry.S */
extern const char xen_hypervisor_callback[];
extern const char xen_failsafe_callback[];
+#ifdef CONFIG_X86_64
+extern const char nmi[];
+#endif
extern void xen_sysenter_target(void);
extern void xen_syscall_target(void);
extern void xen_syscall32_target(void);
@@ -525,7 +528,13 @@ void xen_enable_syscall(void)
}
#endif /* CONFIG_X86_64 */
}
-
+void __cpuinit xen_enable_nmi(void)
+{
+#ifdef CONFIG_X86_64
+ if (register_callback(CALLBACKTYPE_nmi, nmi))
+ BUG();
+#endif
+}
void __init xen_arch_setup(void)
{
xen_panic_handler_init();
@@ -543,7 +552,7 @@ void __init xen_arch_setup(void)
xen_enable_sysenter();
xen_enable_syscall();
-
+ xen_enable_nmi();
#ifdef CONFIG_ACPI
if (!(xen_start_info->flags & SIF_INITDOMAIN)) {
printk(KERN_INFO "ACPI in unprivileged domain disabled\n");