linux-kernel - [PATCH v2 02/20] move get_jiffies

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Date:	Thu, 27 Jan 2011 15:59:00 +0100
From:	Torben Hohn <torbenh@....de>
To:	LKML <linux-kernel@...r.kernel.org>
Cc:	Peter Zijlstra <peterz@...radead.org>, johnstul@...ibm.com,
	Thomas Gleixner <tglx@...utronix.de>, yong.zhang0@...il.com,
	hch@...radead.org
Subject: [PATCH v2 02/20] move get_jiffies_64 to kernel/time/jiffies.c

in order to make the xtime_lock local to kernel/time
all users of this lock need to be moved there.

Signed-off-by: Torben Hohn <torbenh@....de>
---
 kernel/time.c         |   17 -----------------
 kernel/time/jiffies.c |   17 +++++++++++++++++
 2 files changed, 17 insertions(+), 17 deletions(-)

diff --git a/kernel/time.c b/kernel/time.c
index 55337a8..9c72ba5 100644
--- a/kernel/time.c
+++ b/kernel/time.c
@@ -693,23 +693,6 @@ unsigned long nsecs_to_jiffies(u64 n)
 	return (unsigned long)nsecs_to_jiffies64(n);
 }
 
-#if (BITS_PER_LONG < 64)
-u64 get_jiffies_64(void)
-{
-	unsigned long seq;
-	u64 ret;
-
-	do {
-		seq = read_seqbegin(&xtime_lock);
-		ret = jiffies_64;
-	} while (read_seqretry(&xtime_lock, seq));
-	return ret;
-}
-EXPORT_SYMBOL(get_jiffies_64);
-#endif
-
-EXPORT_SYMBOL(jiffies);
-
 /*
  * Add two timespec values and do a safety check for overflow.
  * It's assumed that both values are valid (>= 0)
diff --git a/kernel/time/jiffies.c b/kernel/time/jiffies.c
index 5404a84..54441c4 100644
--- a/kernel/time/jiffies.c
+++ b/kernel/time/jiffies.c
@@ -64,6 +64,23 @@ struct clocksource clocksource_jiffies = {
 	.shift		= JIFFIES_SHIFT,
 };
 
+#if (BITS_PER_LONG < 64)
+u64 get_jiffies_64(void)
+{
+	unsigned long seq;
+	u64 ret;
+
+	do {
+		seq = read_seqbegin(&xtime_lock);
+		ret = jiffies_64;
+	} while (read_seqretry(&xtime_lock, seq));
+	return ret;
+}
+EXPORT_SYMBOL(get_jiffies_64);
+#endif
+
+EXPORT_SYMBOL(jiffies);
+
 static int __init init_jiffies_clocksource(void)
 {
 	return clocksource_register(&clocksource_jiffies);

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