diff options
| author | Torben Hohn <torbenh@gmx.de> | 2011-01-27 15:58:55 +0100 |
|---|---|---|
| committer | Thomas Gleixner <tglx@linutronix.de> | 2011-01-31 14:55:41 +0100 |
| commit | 871cf1e5f2a17702f58539a3af8b18fc8666ad4c (patch) | |
| tree | da80fbad2c79dee33d4ac559c8881ce4c77476b7 /kernel/time/timekeeping.c | |
| parent | 70d1f365568e0cdbc9f4ab92428e1830fdb09ab0 (diff) | |
time: Move do_timer() to kernel/time/timekeeping.c
do_timer() is primary timekeeping related. calc_global_load() is
called from do_timer() as well, but that's more for historical
reasons.
[ tglx: Fixed up the calc_global_load() reject andmassaged changelog ]
Signed-off-by: Torben 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: <20110127145855.23248.56933.stgit@localhost>
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Diffstat (limited to 'kernel/time/timekeeping.c')
| -rw-r--r-- | kernel/time/timekeeping.c | 14 |
1 files changed, 13 insertions, 1 deletions
diff --git a/kernel/time/timekeeping.c b/kernel/time/timekeeping.c index d27c7562902..c1a178ca0f5 100644 --- a/kernel/time/timekeeping.c +++ b/kernel/time/timekeeping.c @@ -779,7 +779,7 @@ static cycle_t logarithmic_accumulation(cycle_t offset, int shift) * * Called from the timer interrupt, must hold a write on xtime_lock. */ -void update_wall_time(void) +static void update_wall_time(void) { struct clocksource *clock; cycle_t offset; @@ -946,3 +946,15 @@ struct timespec get_monotonic_coarse(void) now.tv_nsec + mono.tv_nsec); return now; } + +/* + * The 64-bit jiffies value is not atomic - you MUST NOT read it + * without sampling the sequence number in xtime_lock. + * jiffies is defined in the linker script... + */ +void do_timer(unsigned long ticks) +{ + jiffies_64 += ticks; + update_wall_time(); + calc_global_load(ticks); +} |