diff options
author | Linus Torvalds <torvalds@g5.osdl.org> | 2006-02-08 17:06:51 -0800 |
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committer | Linus Torvalds <torvalds@g5.osdl.org> | 2006-02-08 17:06:51 -0800 |
commit | 0bdd340c092b0936f78a54bdbd3927463ed4fca3 (patch) | |
tree | d9215d382cdc4c2dc6366a2c551079590e8b8216 /arch/ia64/kernel/time.c | |
parent | 9908104935325bd6beba67d637b6f5396d47075c (diff) | |
parent | f478af9dc58c01880832a321c3eea7703772c420 (diff) |
Merge branch 'release' of git://git.kernel.org/pub/scm/linux/kernel/git/aegl/linux-2.6
Diffstat (limited to 'arch/ia64/kernel/time.c')
-rw-r--r-- | arch/ia64/kernel/time.c | 27 |
1 files changed, 27 insertions, 0 deletions
diff --git a/arch/ia64/kernel/time.c b/arch/ia64/kernel/time.c index 028a2b95936c..a094ec49ccfa 100644 --- a/arch/ia64/kernel/time.c +++ b/arch/ia64/kernel/time.c @@ -278,3 +278,30 @@ udelay (unsigned long usecs) } } EXPORT_SYMBOL(udelay); + +static unsigned long long ia64_itc_printk_clock(void) +{ + if (ia64_get_kr(IA64_KR_PER_CPU_DATA)) + return sched_clock(); + return 0; +} + +static unsigned long long ia64_default_printk_clock(void) +{ + return (unsigned long long)(jiffies_64 - INITIAL_JIFFIES) * + (1000000000/HZ); +} + +unsigned long long (*ia64_printk_clock)(void) = &ia64_default_printk_clock; + +unsigned long long printk_clock(void) +{ + return ia64_printk_clock(); +} + +void __init +ia64_setup_printk_clock(void) +{ + if (!(sal_platform_features & IA64_SAL_PLATFORM_FEATURE_ITC_DRIFT)) + ia64_printk_clock = ia64_itc_printk_clock; +} |