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Merge branch 'timers-core-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip

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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
This commit is contained in:
Linus Torvalds 2012-12-11 18:22:46 -08:00
commit b64c5fda38
9 changed files with 84 additions and 106 deletions
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3
include/linux/jiffies.h
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@ -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);