1 files changed, 7 insertions, 0 deletions

diff --git a/arch/x86_64/lib/delay.c b/arch/x86_64/lib/delay.c
index aed61a668a1b..33a873a3c223 100644
--- a/arch/x86_64/lib/delay.c
+++ b/arch/x86_64/lib/delay.c
@@ -12,6 +12,7 @@
 #include <linux/sched.h>
 #include <linux/delay.h>
 #include <asm/delay.h>
+#include <asm/msr.h>
 
 #ifdef CONFIG_SMP
 #include <asm/smp.h>
@@ -19,6 +20,12 @@
 
 int x86_udelay_tsc = 0;         /* Delay via TSC */
 
+int read_current_timer(unsigned long *timer_value)
+{
+        rdtscll(*timer_value);
+        return 0;
+}
+
 void __delay(unsigned long loops)
 {
         unsigned bclock, now;