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-rw-r--r--arch/x86_64/kernel/time.c2
1 files changed, 2 insertions, 0 deletions
diff --git a/arch/x86_64/kernel/time.c b/arch/x86_64/kernel/time.c
index 3c34e8def89d..6d48a4e826d9 100644
--- a/arch/x86_64/kernel/time.c
+++ b/arch/x86_64/kernel/time.c
@@ -33,6 +33,7 @@
#include <acpi/acpi_bus.h>
#endif
#include <asm/8253pit.h>
+#include <asm/i8253.h>
#include <asm/pgtable.h>
#include <asm/vsyscall.h>
#include <asm/timex.h>
@@ -51,6 +52,7 @@ static char *timename = NULL;
DEFINE_SPINLOCK(rtc_lock);
EXPORT_SYMBOL(rtc_lock);
DEFINE_SPINLOCK(i8253_lock);
+EXPORT_SYMBOL(i8253_lock);
volatile unsigned long __jiffies __section_jiffies = INITIAL_JIFFIES;