Commit fbad1ea9 authored by Torben Hohn's avatar Torben Hohn Committed by Thomas Gleixner

time: Move get_jiffies_64 to kernel/time/jiffies.c

Move the jiffies access functions to the jiffies clocksource code.

[ tglx: Add missing include ]
Signed-off-by: default avatarTorben Hohn <torbenh@gmx.de>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: johnstul@us.ibm.com
Cc: yong.zhang0@gmail.com
Cc: hch@infradead.org
LKML-Reference: <20110127145900.23248.73352.stgit@localhost>
Signed-off-by: default avatarThomas Gleixner <tglx@linutronix.de>
parent 871cf1e5
......@@ -674,23 +674,6 @@ unsigned long nsecs_to_jiffies(u64 n)
#endif
}
#if (BITS_PER_LONG < 64)
u64 get_jiffies_64(void)
{
unsigned long seq;
u64 ret;
do {
seq = read_seqbegin(&xtime_lock);
ret = jiffies_64;
} while (read_seqretry(&xtime_lock, seq));
return ret;
}
EXPORT_SYMBOL(get_jiffies_64);
#endif
EXPORT_SYMBOL(jiffies);
/*
* Add two timespec values and do a safety check for overflow.
* It's assumed that both values are valid (>= 0)
......
......@@ -22,6 +22,7 @@
************************************************************************/
#include <linux/clocksource.h>
#include <linux/jiffies.h>
#include <linux/module.h>
#include <linux/init.h>
/* The Jiffies based clocksource is the lowest common
......@@ -64,6 +65,23 @@ struct clocksource clocksource_jiffies = {
.shift = JIFFIES_SHIFT,
};
#if (BITS_PER_LONG < 64)
u64 get_jiffies_64(void)
{
unsigned long seq;
u64 ret;
do {
seq = read_seqbegin(&xtime_lock);
ret = jiffies_64;
} while (read_seqretry(&xtime_lock, seq));
return ret;
}
EXPORT_SYMBOL(get_jiffies_64);
#endif
EXPORT_SYMBOL(jiffies);
static int __init init_jiffies_clocksource(void)
{
return clocksource_register(&clocksource_jiffies);
......
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