linux-kernel - [PATCH 09/11] Make xtime and wall_to

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Message-Id: <1279068988-21864-10-git-send-email-johnstul@us.ibm.com>
Date:	Tue, 13 Jul 2010 17:56:26 -0700
From:	John Stultz <johnstul@...ibm.com>
To:	LKML <linux-kernel@...r.kernel.org>
Cc:	John Stultz <johnstul@...ibm.com>,
	Thomas Gleixner <tglx@...utronix.de>
Subject: [PATCH 09/11] 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@...ibm.com>
CC: Thomas Gleixner <tglx@...utronix.de>

---
 Documentation/feature-removal-schedule.txt |   10 ----------
 include/linux/time.h                       |    2 --
 kernel/time/timekeeping.c                  |    4 ++--
 3 files changed, 2 insertions(+), 14 deletions(-)

diff --git a/Documentation/feature-removal-schedule.txt b/Documentation/feature-removal-schedule.txt
index c268783..0d91c6b 100644
--- a/Documentation/feature-removal-schedule.txt
+++ b/Documentation/feature-removal-schedule.txt
@@ -549,16 +549,6 @@ Who:	Avi Kivity <avi@...hat.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@...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 3a9c0bf..50b3cb0 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 fb61c2e..e14c839 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;
 
 /*
-- 
1.6.0.4

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