diff options
author | Linus Torvalds <torvalds@linux-foundation.org> | 2008-04-21 18:43:43 -0400 |
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committer | Linus Torvalds <torvalds@linux-foundation.org> | 2008-04-21 18:43:43 -0400 |
commit | 5dfeaef89559d4968b0470adf749659f10d722f6 (patch) | |
tree | e38f4177b8e2e12cd1aa2e9910beea1dc3578784 /include/linux | |
parent | 429f731dea577bdd43693940cdca524135287e6a (diff) | |
parent | 259aae864ceeb2b34e7bafa1ce18d096a357fab2 (diff) |
Merge branch 'master' of git://git.kernel.org/pub/scm/linux/kernel/git/tglx/linux-2.6-hrt
* '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
Diffstat (limited to 'include/linux')
-rw-r--r-- | include/linux/jiffies.h | 16 |
1 files changed, 16 insertions, 0 deletions
diff --git a/include/linux/jiffies.h b/include/linux/jiffies.h index e0b5b684d83f..e377e34e589e 100644 --- a/include/linux/jiffies.h +++ b/include/linux/jiffies.h | |||
@@ -135,6 +135,22 @@ static inline u64 get_jiffies_64(void) | |||
135 | #define time_before_eq64(a,b) time_after_eq64(b,a) | 135 | #define time_before_eq64(a,b) time_after_eq64(b,a) |
136 | 136 | ||
137 | /* | 137 | /* |
138 | * These four macros compare jiffies and 'a' for convenience. | ||
139 | */ | ||
140 | |||
141 | /* time_is_before_jiffies(a) return true if a is before jiffies */ | ||
142 | #define time_is_before_jiffies(a) time_after(jiffies, a) | ||
143 | |||
144 | /* time_is_after_jiffies(a) return true if a is after jiffies */ | ||
145 | #define time_is_after_jiffies(a) time_before(jiffies, a) | ||
146 | |||
147 | /* time_is_before_eq_jiffies(a) return true if a is before or equal to jiffies*/ | ||
148 | #define time_is_before_eq_jiffies(a) time_after_eq(jiffies, a) | ||
149 | |||
150 | /* time_is_after_eq_jiffies(a) return true if a is after or equal to jiffies*/ | ||
151 | #define time_is_after_eq_jiffies(a) time_before_eq(jiffies, a) | ||
152 | |||
153 | /* | ||
138 | * Have the 32 bit jiffies value wrap 5 minutes after boot | 154 | * Have the 32 bit jiffies value wrap 5 minutes after boot |
139 | * so jiffies wrap bugs show up earlier. | 155 | * so jiffies wrap bugs show up earlier. |
140 | */ | 156 | */ |