diff options
author | Linus Torvalds <torvalds@linux-foundation.org> | 2012-12-11 18:22:46 -0800 |
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committer | Linus Torvalds <torvalds@linux-foundation.org> | 2012-12-11 18:22:46 -0800 |
commit | b64c5fda3868cb29d5dae0909561aa7d93fb7330 (patch) | |
tree | 2ac4be822f32fe5a8e8f33138be81b221ff52384 /include | |
parent | f57d54bab696133fae569c5f01352249c36fc74f (diff) | |
parent | 9c3f9e281697d02889c3b08922f3b30be75f56c2 (diff) |
Merge branch 'timers-core-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
Pull core timer changes from Ingo Molnar:
"It contains continued generic-NOHZ work by Frederic and smaller
cleanups."
* 'timers-core-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
time: Kill xtime_lock, replacing it with jiffies_lock
clocksource: arm_generic: use this_cpu_ptr per-cpu helper
clocksource: arm_generic: use integer math helpers
time/jiffies: Make clocksource_jiffies static
clocksource: clean up parse_pmtmr()
tick: Correct the comments for tick_sched_timer()
tick: Conditionally build nohz specific code in tick handler
tick: Consolidate tick handling for high and low res handlers
tick: Consolidate timekeeping handling code
Diffstat (limited to 'include')
-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); |