Index: glibc-2.11.1/nptl/pthread_cond_timedwait.c
===================================================================
--- glibc-2.11.1.old/nptl/pthread_cond_timedwait.c
+++ glibc-2.11.1/nptl/pthread_cond_timedwait.c
@@ -27,6 +27,15 @@
 
 #include <shlib-compat.h>
 
+#ifndef HAVE_CLOCK_GETTIME_VSYSCALL
+# undef INTERNAL_VSYSCALL
+# define INTERNAL_VSYSCALL INTERNAL_SYSCALL
+# undef INLINE_VSYSCALL
+# define INLINE_VSYSCALL INLINE_SYSCALL
+#else
+# include <bits/libc-vdso.h>
+#endif
+
 
 /* Cleanup handler, defined in pthread_cond_wait.c.  */
 extern void __condvar_cleanup (void *arg)
@@ -102,7 +111,7 @@ __pthread_cond_timedwait (cond, mutex, a
 #ifdef __NR_clock_gettime
 	INTERNAL_SYSCALL_DECL (err);
 	int ret;
-	ret = INTERNAL_SYSCALL (clock_gettime, err, 2,
+	ret = INTERNAL_VSYSCALL (clock_gettime, err, 2,
 				(cond->__data.__nwaiters
 				 & ((1 << COND_NWAITERS_SHIFT) - 1)),
 				&rt);