timekeeping: Make xtime and wall_to_monotonic static

This patch makes xtime and wall_to_monotonic static, as planned in
Documentation/feature-removal-schedule.txt. This will allow for
further cleanups to the timekeeping core.

Signed-off-by: John Stultz <johnstul@us.ibm.com>
LKML-Reference: <1279068988-21864-10-git-send-email-johnstul@us.ibm.com>
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>

3 files changed, 2 insertions, 14 deletions

diff --git a/Documentation/feature-removal-schedule.txt b/Documentation/feature-removal-schedule.txt
index 1571c0c83dba..cd648dbb5146 100644
--- a/Documentation/feature-removal-schedule.txt
+++ b/Documentation/feature-removal-schedule.txt
@@ -549,16 +549,6 @@ Who:	Avi Kivity <avi@redhat.com>
 
 ----------------------------
 
-What:   xtime, wall_to_monotonic
-When:   2.6.36+
-Files:  kernel/time/timekeeping.c include/linux/time.h
-Why:    Cleaning up timekeeping internal values. Please use
-        existing timekeeping accessor functions to access
-        the equivalent functionality.
-Who:    John Stultz <johnstul@us.ibm.com>
-
-----------------------------
-
 What:   KVM kernel-allocated memory slots
 When:   July 2010
 Why:    Since 2.6.25, kvm supports user-allocated memory slots, which are
diff --git a/include/linux/time.h b/include/linux/time.h
index a57e0f67b3d0..cb34e35fabac 100644
--- a/include/linux/time.h
+++ b/include/linux/time.h
@@ -113,8 +113,6 @@ static inline struct timespec timespec_sub(struct timespec lhs,
 #define timespec_valid(ts) \
         (((ts)->tv_sec >= 0) && (((unsigned long) (ts)->tv_nsec) < NSEC_PER_SEC))
 
-extern struct timespec xtime;
-extern struct timespec wall_to_monotonic;
 extern seqlock_t xtime_lock;
 
 extern void read_persistent_clock(struct timespec *ts);
diff --git a/kernel/time/timekeeping.c b/kernel/time/timekeeping.c
index fb61c2ed3660..e14c839e9faa 100644
--- a/kernel/time/timekeeping.c
+++ b/kernel/time/timekeeping.c
@@ -153,8 +153,8 @@ __cacheline_aligned_in_smp DEFINE_SEQLOCK(xtime_lock);
  * - wall_to_monotonic is no longer the boot time, getboottime must be
  * used instead.
  */
-struct timespec xtime __attribute__ ((aligned (16)));
-struct timespec wall_to_monotonic __attribute__ ((aligned (16)));
+static struct timespec xtime __attribute__ ((aligned (16)));
+static struct timespec wall_to_monotonic __attribute__ ((aligned (16)));
 static struct timespec total_sleep_time;
 
 /*