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| author | John Stultz <john.stultz@linaro.org> | 2012-02-28 16:50:11 -0800 |
|---|---|---|
| committer | John Stultz <john.stultz@linaro.org> | 2012-11-13 14:08:23 -0500 |
| commit | d6ad418763888f617ac5b4849823e4cd670df1dd (patch) | |
| tree | 92d75b05849f98e1a20eb8fa8bb8a26818707cd2 /include/linux/jiffies.h | |
| parent | 47c8c91b2d60006df22146effe79ac4cdafd9205 (diff) | |
| download | lwn-d6ad418763888f617ac5b4849823e4cd670df1dd.tar.gz lwn-d6ad418763888f617ac5b4849823e4cd670df1dd.zip | |
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.h | 3 |
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); |