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| author | John Stultz <johnstul@us.ibm.com> | 2010-07-14 00:56:25 (GMT) |
|---|---|---|
| committer | Thomas Gleixner <tglx@linutronix.de> | 2010-07-27 10:40:55 (GMT) |
| commit | 8ab4351a4c888016620f43bde605b3d0964af339 (patch) | |
| tree | 9d92ee7fbf9391bfcfdc1e49fecc31b9fa4e03c0 | |
| parent | 9f31f5774961a735687fee17953ab505b3df3abf (diff) | |
| download | linux-8ab4351a4c888016620f43bde605b3d0964af339.tar.xz | |
hrtimer: Cleanup direct access to wall_to_monotonic
Provides an accessor function to replace hrtimer.c's
direct access of wall_to_monotonic.
This will allow wall_to_monotonic to be made static as
planned in Documentation/feature-removal-schedule.txt
Signed-off-by: John Stultz <johnstul@us.ibm.com>
LKML-Reference: <1279068988-21864-9-git-send-email-johnstul@us.ibm.com>
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
| -rw-r--r-- | include/linux/time.h | 3 | ||||
| -rw-r--r-- | kernel/hrtimer.c | 9 | ||||
| -rw-r--r-- | kernel/time/timekeeping.c | 5 |
3 files changed, 11 insertions, 6 deletions
diff --git a/include/linux/time.h b/include/linux/time.h index 9072df8..a57e0f6 100644 --- a/include/linux/time.h +++ b/include/linux/time.h @@ -126,7 +126,8 @@ extern int timekeeping_suspended; unsigned long get_seconds(void); struct timespec current_kernel_time(void); -struct timespec __current_kernel_time(void); /* does not hold xtime_lock */ +struct timespec __current_kernel_time(void); /* does not take xtime_lock */ +struct timespec __get_wall_to_monotonic(void); /* does not take xtime_lock */ struct timespec get_monotonic_coarse(void); #define CURRENT_TIME (current_kernel_time()) diff --git a/kernel/hrtimer.c b/kernel/hrtimer.c index 5c69e99..809f48c 100644 --- a/kernel/hrtimer.c +++ b/kernel/hrtimer.c @@ -90,7 +90,7 @@ static void hrtimer_get_softirq_time(struct hrtimer_cpu_base *base) do { seq = read_seqbegin(&xtime_lock); xts = __current_kernel_time(); - tom = wall_to_monotonic; + tom = __get_wall_to_monotonic(); } while (read_seqretry(&xtime_lock, seq)); xtim = timespec_to_ktime(xts); @@ -612,7 +612,7 @@ static int hrtimer_reprogram(struct hrtimer *timer, static void retrigger_next_event(void *arg) { struct hrtimer_cpu_base *base; - struct timespec realtime_offset; + struct timespec realtime_offset, wtm; unsigned long seq; if (!hrtimer_hres_active()) @@ -620,10 +620,9 @@ static void retrigger_next_event(void *arg) do { seq = read_seqbegin(&xtime_lock); - set_normalized_timespec(&realtime_offset, - -wall_to_monotonic.tv_sec, - -wall_to_monotonic.tv_nsec); + wtm = __get_wall_to_monotonic(); } while (read_seqretry(&xtime_lock, seq)); + set_normalized_timespec(&realtime_offset, -wtm.tv_sec, -wtm.tv_nsec); base = &__get_cpu_var(hrtimer_bases); diff --git a/kernel/time/timekeeping.c b/kernel/time/timekeeping.c index b15c3ac..fb61c2e 100644 --- a/kernel/time/timekeeping.c +++ b/kernel/time/timekeeping.c @@ -858,6 +858,11 @@ struct timespec __current_kernel_time(void) return xtime; } +struct timespec __get_wall_to_monotonic(void) +{ + return wall_to_monotonic; +} + struct timespec current_kernel_time(void) { struct timespec now; |