TononixOS/ubports_kernel_google_msm
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Merge branch 'master' of git://git.kernel.org/pub/scm/linux/kernel/git/tglx/linux-2.6-hrt

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* 'master' of git://git.kernel.org/pub/scm/linux/kernel/git/tglx/linux-2.6-hrt:
  hrtimer: optimize the softirq time optimization
  hrtimer: reduce calls to hrtimer_get_softirq_time()
  clockevents: fix typo in tick-broadcast.c
  jiffies: add time_is_after_jiffies and others which compare with jiffies
This commit is contained in:
Linus Torvalds
2008-04-21 15:43:43 -07:00
parent 429f731dea 259aae864c
commit 5dfeaef895
3 changed files with 53 additions and 38 deletions
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16
include/linux/jiffies.h
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@@ -134,6 +134,22 @@ static inline u64 get_jiffies_64(void)
((__s64)(a) - (__s64)(b) >= 0))
#define time_before_eq64(a,b) time_after_eq64(b,a)
/*
* These four macros compare jiffies and 'a' for convenience.
*/
/* time_is_before_jiffies(a) return true if a is before jiffies */
#define time_is_before_jiffies(a) time_after(jiffies, a)
/* time_is_after_jiffies(a) return true if a is after jiffies */
#define time_is_after_jiffies(a) time_before(jiffies, a)
/* time_is_before_eq_jiffies(a) return true if a is before or equal to jiffies*/
#define time_is_before_eq_jiffies(a) time_after_eq(jiffies, a)
/* time_is_after_eq_jiffies(a) return true if a is after or equal to jiffies*/
#define time_is_after_eq_jiffies(a) time_before_eq(jiffies, a)
/*
* Have the 32 bit jiffies value wrap 5 minutes after boot
* so jiffies wrap bugs show up earlier.