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-rw-r--r--arch/x86/include/asm/mce.h2
-rw-r--r--arch/x86/kernel/cpu/mcheck/mce.c15
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 */