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authorJohn Stultz <john.stultz@linaro.org>2012-02-28 16:50:11 -0800
committerJohn Stultz <john.stultz@linaro.org>2012-11-13 14:08:23 -0500
commitd6ad418763888f617ac5b4849823e4cd670df1dd (patch)
tree92d75b05849f98e1a20eb8fa8bb8a26818707cd2 /include/linux/jiffies.h
parent47c8c91b2d60006df22146effe79ac4cdafd9205 (diff)
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time: Kill xtime_lock, replacing it with jiffies_lock
Now that timekeeping is protected by its own locks, rename the xtime_lock to jifffies_lock to better describe what it protects. CC: Thomas Gleixner <tglx@linutronix.de> CC: Eric Dumazet <eric.dumazet@gmail.com> CC: Richard Cochran <richardcochran@gmail.com> Signed-off-by: John Stultz <john.stultz@linaro.org>
Diffstat (limited to 'include/linux/jiffies.h')
-rw-r--r--include/linux/jiffies.h3
1 files changed, 2 insertions, 1 deletions
diff --git a/include/linux/jiffies.h b/include/linux/jiffies.h
index 6b87413da9d6..82ed068b1ebe 100644
--- a/include/linux/jiffies.h
+++ b/include/linux/jiffies.h
@@ -70,11 +70,12 @@ extern int register_refined_jiffies(long clock_tick_rate);
/*
* The 64-bit value is not atomic - you MUST NOT read it
- * without sampling the sequence number in xtime_lock.
+ * without sampling the sequence number in jiffies_lock.
* get_jiffies_64() will do this for you as appropriate.
*/
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);