diff options
author | John Stultz <john.stultz@linaro.org> | 2011-11-14 14:43:49 -0500 |
---|---|---|
committer | John Stultz <john.stultz@linaro.org> | 2012-01-26 22:44:14 -0500 |
commit | 01f71b47e08f2a062c4e77c94dfa9a7e0ae65fcb (patch) | |
tree | bad9a642d8f55def709d71ecc9affe78ecc59e42 /kernel/time | |
parent | 8ff2cb92dd1afcf23e7b5287c43a900b16f40bad (diff) |
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/time')
-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 { | |||
67 | struct timespec wall_to_monotonic; | 67 | struct timespec wall_to_monotonic; |
68 | /* time spent in suspend */ | 68 | /* time spent in suspend */ |
69 | struct timespec total_sleep_time; | 69 | struct timespec total_sleep_time; |
70 | 70 | /* The raw monotonic time for the CLOCK_MONOTONIC_RAW posix clock. */ | |
71 | struct timespec raw_time; | ||
71 | }; | 72 | }; |
72 | 73 | ||
73 | static struct timekeeper timekeeper; | 74 | static struct timekeeper timekeeper; |
@@ -164,10 +165,6 @@ __cacheline_aligned_in_smp DEFINE_SEQLOCK(xtime_lock); | |||
164 | 165 | ||
165 | 166 | ||
166 | 167 | ||
167 | /* | ||
168 | * The raw monotonic time for the CLOCK_MONOTONIC_RAW posix clock. | ||
169 | */ | ||
170 | static struct timespec raw_time; | ||
171 | 168 | ||
172 | /* flag for if timekeeping is suspended */ | 169 | /* flag for if timekeeping is suspended */ |
173 | int __read_mostly timekeeping_suspended; | 170 | int __read_mostly timekeeping_suspended; |
@@ -208,7 +205,7 @@ static void timekeeping_forward_now(void) | |||
208 | timespec_add_ns(&timekeeper.xtime, nsec); | 205 | timespec_add_ns(&timekeeper.xtime, nsec); |
209 | 206 | ||
210 | nsec = clocksource_cyc2ns(cycle_delta, clock->mult, clock->shift); | 207 | nsec = clocksource_cyc2ns(cycle_delta, clock->mult, clock->shift); |
211 | timespec_add_ns(&raw_time, nsec); | 208 | timespec_add_ns(&timekeeper.raw_time, nsec); |
212 | } | 209 | } |
213 | 210 | ||
214 | /** | 211 | /** |
@@ -320,7 +317,7 @@ void getnstime_raw_and_real(struct timespec *ts_raw, struct timespec *ts_real) | |||
320 | 317 | ||
321 | seq = read_seqbegin(&xtime_lock); | 318 | seq = read_seqbegin(&xtime_lock); |
322 | 319 | ||
323 | *ts_raw = raw_time; | 320 | *ts_raw = timekeeper.raw_time; |
324 | *ts_real = timekeeper.xtime; | 321 | *ts_real = timekeeper.xtime; |
325 | 322 | ||
326 | nsecs_raw = timekeeping_get_ns_raw(); | 323 | nsecs_raw = timekeeping_get_ns_raw(); |
@@ -499,7 +496,7 @@ void getrawmonotonic(struct timespec *ts) | |||
499 | do { | 496 | do { |
500 | seq = read_seqbegin(&xtime_lock); | 497 | seq = read_seqbegin(&xtime_lock); |
501 | nsecs = timekeeping_get_ns_raw(); | 498 | nsecs = timekeeping_get_ns_raw(); |
502 | *ts = raw_time; | 499 | *ts = timekeeper.raw_time; |
503 | 500 | ||
504 | } while (read_seqretry(&xtime_lock, seq)); | 501 | } while (read_seqretry(&xtime_lock, seq)); |
505 | 502 | ||
@@ -590,8 +587,8 @@ void __init timekeeping_init(void) | |||
590 | 587 | ||
591 | timekeeper.xtime.tv_sec = now.tv_sec; | 588 | timekeeper.xtime.tv_sec = now.tv_sec; |
592 | timekeeper.xtime.tv_nsec = now.tv_nsec; | 589 | timekeeper.xtime.tv_nsec = now.tv_nsec; |
593 | raw_time.tv_sec = 0; | 590 | timekeeper.raw_time.tv_sec = 0; |
594 | raw_time.tv_nsec = 0; | 591 | timekeeper.raw_time.tv_nsec = 0; |
595 | if (boot.tv_sec == 0 && boot.tv_nsec == 0) { | 592 | if (boot.tv_sec == 0 && boot.tv_nsec == 0) { |
596 | boot.tv_sec = timekeeper.xtime.tv_sec; | 593 | boot.tv_sec = timekeeper.xtime.tv_sec; |
597 | boot.tv_nsec = timekeeper.xtime.tv_nsec; | 594 | boot.tv_nsec = timekeeper.xtime.tv_nsec; |
@@ -958,13 +955,13 @@ static cycle_t logarithmic_accumulation(cycle_t offset, int shift) | |||
958 | 955 | ||
959 | /* Accumulate raw time */ | 956 | /* Accumulate raw time */ |
960 | raw_nsecs = timekeeper.raw_interval << shift; | 957 | raw_nsecs = timekeeper.raw_interval << shift; |
961 | raw_nsecs += raw_time.tv_nsec; | 958 | raw_nsecs += timekeeper.raw_time.tv_nsec; |
962 | if (raw_nsecs >= NSEC_PER_SEC) { | 959 | if (raw_nsecs >= NSEC_PER_SEC) { |
963 | u64 raw_secs = raw_nsecs; | 960 | u64 raw_secs = raw_nsecs; |
964 | raw_nsecs = do_div(raw_secs, NSEC_PER_SEC); | 961 | raw_nsecs = do_div(raw_secs, NSEC_PER_SEC); |
965 | raw_time.tv_sec += raw_secs; | 962 | timekeeper.raw_time.tv_sec += raw_secs; |
966 | } | 963 | } |
967 | raw_time.tv_nsec = raw_nsecs; | 964 | timekeeper.raw_time.tv_nsec = raw_nsecs; |
968 | 965 | ||
969 | /* Accumulate error between NTP and clock interval */ | 966 | /* Accumulate error between NTP and clock interval */ |
970 | timekeeper.ntp_error += tick_length << shift; | 967 | timekeeper.ntp_error += tick_length << shift; |