diff options
| author | John Stultz <john.stultz@linaro.org> | 2011-11-14 20:43:49 +0100 |
|---|---|---|
| committer | John Stultz <john.stultz@linaro.org> | 2012-01-27 04:44:14 +0100 |
| commit | 01f71b47e08f2a062c4e77c94dfa9a7e0ae65fcb (patch) | |
| tree | bad9a642d8f55def709d71ecc9affe78ecc59e42 /kernel | |
| parent | time: Move xtime into timekeeeper structure (diff) | |
| download | linux-01f71b47e08f2a062c4e77c94dfa9a7e0ae65fcb.tar.xz linux-01f71b47e08f2a062c4e77c94dfa9a7e0ae65fcb.zip | |
time: Move raw_time into timekeeper structure
In preparation for locking cleanups, move raw_time into
timekeeper structure.
CC: Thomas Gleixner <tglx@linutronix.de>
CC: Eric Dumazet <eric.dumazet@gmail.com>
CC: Richard Cochran <richardcochran@gmail.com>
Signed-off-by: John Stultz <john.stultz@linaro.org>
Diffstat (limited to 'kernel')
| -rw-r--r-- | kernel/time/timekeeping.c | 23 |
1 files changed, 10 insertions, 13 deletions
diff --git a/kernel/time/timekeeping.c b/kernel/time/timekeeping.c index b30ffe6c6b06..fbbc3c7ce7df 100644 --- a/kernel/time/timekeeping.c +++ b/kernel/time/timekeeping.c @@ -67,7 +67,8 @@ struct timekeeper { struct timespec wall_to_monotonic; /* time spent in suspend */ struct timespec total_sleep_time; - + /* The raw monotonic time for the CLOCK_MONOTONIC_RAW posix clock. */ + struct timespec raw_time; }; static struct timekeeper timekeeper; @@ -164,10 +165,6 @@ __cacheline_aligned_in_smp DEFINE_SEQLOCK(xtime_lock); -/* - * The raw monotonic time for the CLOCK_MONOTONIC_RAW posix clock. - */ -static struct timespec raw_time; /* flag for if timekeeping is suspended */ int __read_mostly timekeeping_suspended; @@ -208,7 +205,7 @@ static void timekeeping_forward_now(void) timespec_add_ns(&timekeeper.xtime, nsec); nsec = clocksource_cyc2ns(cycle_delta, clock->mult, clock->shift); - timespec_add_ns(&raw_time, nsec); + timespec_add_ns(&timekeeper.raw_time, nsec); } /** @@ -320,7 +317,7 @@ void getnstime_raw_and_real(struct timespec *ts_raw, struct timespec *ts_real) seq = read_seqbegin(&xtime_lock); - *ts_raw = raw_time; + *ts_raw = timekeeper.raw_time; *ts_real = timekeeper.xtime; nsecs_raw = timekeeping_get_ns_raw(); @@ -499,7 +496,7 @@ void getrawmonotonic(struct timespec *ts) do { seq = read_seqbegin(&xtime_lock); nsecs = timekeeping_get_ns_raw(); - *ts = raw_time; + *ts = timekeeper.raw_time; } while (read_seqretry(&xtime_lock, seq)); @@ -590,8 +587,8 @@ void __init timekeeping_init(void) timekeeper.xtime.tv_sec = now.tv_sec; timekeeper.xtime.tv_nsec = now.tv_nsec; - raw_time.tv_sec = 0; - raw_time.tv_nsec = 0; + timekeeper.raw_time.tv_sec = 0; + timekeeper.raw_time.tv_nsec = 0; if (boot.tv_sec == 0 && boot.tv_nsec == 0) { boot.tv_sec = timekeeper.xtime.tv_sec; boot.tv_nsec = timekeeper.xtime.tv_nsec; @@ -958,13 +955,13 @@ static cycle_t logarithmic_accumulation(cycle_t offset, int shift) /* Accumulate raw time */ raw_nsecs = timekeeper.raw_interval << shift; - raw_nsecs += raw_time.tv_nsec; + raw_nsecs += timekeeper.raw_time.tv_nsec; if (raw_nsecs >= NSEC_PER_SEC) { u64 raw_secs = raw_nsecs; raw_nsecs = do_div(raw_secs, NSEC_PER_SEC); - raw_time.tv_sec += raw_secs; + timekeeper.raw_time.tv_sec += raw_secs; } - raw_time.tv_nsec = raw_nsecs; + timekeeper.raw_time.tv_nsec = raw_nsecs; /* Accumulate error between NTP and clock interval */ timekeeper.ntp_error += tick_length << shift; |