x86: fix sched_clock()

[ andi@firstfloor.org: build fix ]

Signed-off-by: Ingo Molnar <mingo@elte.hu>
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>

1 files changed, 4 insertions, 9 deletions

diff --git a/arch/x86/kernel/rtc.c b/arch/x86/kernel/rtc.c
index 276cb7073ab1..eb9b1a198f5e 100644
--- a/arch/x86/kernel/rtc.c
+++ b/arch/x86/kernel/rtc.c
@@ -196,14 +196,9 @@ int update_persistent_clock(struct timespec now)
         return set_rtc_mmss(now.tv_sec);
 }
 
-unsigned long long __vsyscall_fn native_read_tsc(void)
+unsigned long long native_read_tsc(void)
 {
-        DECLARE_ARGS(val, low, high);
-
-        rdtsc_barrier();
-        asm volatile("rdtsc" : EAX_EDX_RET(val, low, high));
-        rdtsc_barrier();
-
-        return EAX_EDX_VAL(val, low, high);
+        return __native_read_tsc();
 }
-EXPORT_SYMBOL_GPL(native_read_tsc);
+EXPORT_SYMBOL(native_read_tsc);
+