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Message-Id: <20130221224230.824200459@linutronix.de>
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Date: Thu, 21 Feb 2013 22:51:36 -0000
From: Thomas Gleixner <tglx@linutronix.de>
To: LKML <linux-kernel@vger.kernel.org>
Cc: John Stultz <john.stultz@linaro.org>, Ingo Molnar <mingo@elte.hu>,
        Peter Zijlstra <peterz@infradead.org>,
        Eric Dumazet <dada1@cosmosbay.com>,
        Frederic Weisbecker <fweisbec@gmail.com>
Subject: [RFC patch 2/8] timekeeping: Make jiffies_lock internal
References: <20130221220147.719832397@linutronix.de>
Content-Disposition: inline;
 filename=timekeeping-make-jiffies-lock-internal.patch
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Nothing outside of the timekeeping core needs that lock.

Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
---
 include/linux/jiffies.h     |    1 -
 kernel/time/tick-internal.h |    2 ++
 kernel/time/timekeeping.c   |    1 +
 3 files changed, 3 insertions(+), 1 deletion(-)

Index: linux-2.6/include/linux/jiffies.h
===================================================================
--- linux-2.6.orig/include/linux/jiffies.h
+++ linux-2.6/include/linux/jiffies.h
@@ -75,7 +75,6 @@ extern int register_refined_jiffies(long
  */
 extern u64 __jiffy_data jiffies_64;
 extern unsigned long volatile __jiffy_data jiffies;
-extern seqlock_t jiffies_lock;
 
 #if (BITS_PER_LONG < 64)
 u64 get_jiffies_64(void);
Index: linux-2.6/kernel/time/tick-internal.h
===================================================================
--- linux-2.6.orig/kernel/time/tick-internal.h
+++ linux-2.6/kernel/time/tick-internal.h
@@ -4,6 +4,8 @@
 #include <linux/hrtimer.h>
 #include <linux/tick.h>
 
+extern seqlock_t jiffies_lock;
+
 #ifdef CONFIG_GENERIC_CLOCKEVENTS_BUILD
 
 #define TICK_DO_TIMER_NONE	-1
Index: linux-2.6/kernel/time/timekeeping.c
===================================================================
--- linux-2.6.orig/kernel/time/timekeeping.c
+++ linux-2.6/kernel/time/timekeeping.c
@@ -23,6 +23,7 @@
 #include <linux/stop_machine.h>
 #include <linux/pvclock_gtod.h>
 
+#include "tick-internal.h"
 
 static struct timekeeper timekeeper;