2 files changed, 7 insertions, 10 deletions

diff --git a/arch/x86/include/asm/mce.h b/arch/x86/include/asm/mce.h
index 94aedaf6327f..c3c7ee701753 100644
--- a/arch/x86/include/asm/mce.h
+++ b/arch/x86/include/asm/mce.h
@@ -86,9 +86,7 @@ struct mce_log {
 
 #ifdef __KERNEL__
 
-#ifdef CONFIG_X86_32
 extern int mce_disabled;
-#endif
 
 #include <asm/atomic.h>
 
diff --git a/arch/x86/kernel/cpu/mcheck/mce.c b/arch/x86/kernel/cpu/mcheck/mce.c
index d99318b470d8..6ab477060f56 100644
--- a/arch/x86/kernel/cpu/mcheck/mce.c
+++ b/arch/x86/kernel/cpu/mcheck/mce.c
@@ -49,14 +49,15 @@ static void unexpected_machine_check(struct pt_regs *regs, long error_code)
 /* Call the installed machine check handler for this CPU setup. */
 void (*machine_check_vector)(struct pt_regs *, long error_code) =
                                                 unexpected_machine_check;
+
+int                             mce_disabled;
+
 #ifdef CONFIG_X86_64
 
 #define MISC_MCELOG_MINOR       227
 
 atomic_t mce_entry;
 
-static int                      mce_dont_init;
-
 /*
  * Tolerant levels:
  *   0: always panic on uncorrected errors, log corrected errors
@@ -194,7 +195,7 @@ static void mce_panic(char *msg, struct mce *backup, u64 start)
 
 int mce_available(struct cpuinfo_x86 *c)
 {
-        if (mce_dont_init)
+        if (mce_disabled)
                 return 0;
         return cpu_has(c, X86_FEATURE_MCE) && cpu_has(c, X86_FEATURE_MCA);
 }
@@ -720,7 +721,7 @@ void __cpuinit mcheck_init(struct cpuinfo_x86 *c)
                 return;
 
         if (mce_cap_init() < 0) {
-                mce_dont_init = 1;
+                mce_disabled = 1;
                 return;
         }
         mce_cpu_quirks(c);
@@ -911,7 +912,7 @@ static struct miscdevice mce_log_device = {
  */
 static int __init mcheck_disable(char *str)
 {
-        mce_dont_init = 1;
+        mce_disabled = 1;
         return 1;
 }
 __setup("nomce", mcheck_disable);
@@ -925,7 +926,7 @@ __setup("nomce", mcheck_disable);
 static int __init mcheck_enable(char *str)
 {
         if (!strcmp(str, "off"))
-                mce_dont_init = 1;
+                mce_disabled = 1;
         else if (!strcmp(str, "bootlog") || !strcmp(str, "nobootlog"))
                 mce_bootlog = (str[0] == 'b');
         else if (isdigit(str[0]))
@@ -1292,8 +1293,6 @@ device_initcall(mce_init_device);
 
 #else /* CONFIG_X86_32: */
 
-int mce_disabled;
-
 int nr_mce_banks;
 EXPORT_SYMBOL_GPL(nr_mce_banks);        /* non-fatal.o */