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author | Paul E. McKenney <paulmck@linux.vnet.ibm.com> | 2012-09-25 10:03:56 -0700 |
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committer | Paul E. McKenney <paulmck@linux.vnet.ibm.com> | 2012-09-25 10:03:56 -0700 |
commit | 593d1006cdf710ab3469c0c37c184fea0bc3da97 (patch) | |
tree | e4db58440018a52089e8d6b39160f753ab10df99 /kernel/time | |
parent | 5217192b85480353aeeb395574e60d0db04f3676 (diff) | |
parent | 9b20aa63b8fc9a6a3b6831f4eae3621755e51211 (diff) | |
download | linux-stable-593d1006cdf710ab3469c0c37c184fea0bc3da97.tar.gz linux-stable-593d1006cdf710ab3469c0c37c184fea0bc3da97.tar.bz2 linux-stable-593d1006cdf710ab3469c0c37c184fea0bc3da97.zip |
Merge remote-tracking branch 'tip/core/rcu' into next.2012.09.25b
Resolved conflict in kernel/sched/core.c using Peter Zijlstra's
approach from https://lkml.org/lkml/2012/9/5/585.
Diffstat (limited to 'kernel/time')
-rw-r--r-- | kernel/time/tick-sched.c | 1 | ||||
-rw-r--r-- | kernel/time/timekeeping.c | 19 |
2 files changed, 13 insertions, 7 deletions
diff --git a/kernel/time/tick-sched.c b/kernel/time/tick-sched.c index 4b1785a7bb83..cf5f6b262673 100644 --- a/kernel/time/tick-sched.c +++ b/kernel/time/tick-sched.c @@ -574,6 +574,7 @@ static void tick_nohz_restart_sched_tick(struct tick_sched *ts, ktime_t now) tick_do_update_jiffies64(now); update_cpu_load_nohz(); + calc_load_exit_idle(); touch_softlockup_watchdog(); /* * Cancel the scheduled timer and restore the tick diff --git a/kernel/time/timekeeping.c b/kernel/time/timekeeping.c index 34e5eac81424..d3b91e75cecd 100644 --- a/kernel/time/timekeeping.c +++ b/kernel/time/timekeeping.c @@ -303,10 +303,11 @@ void getnstimeofday(struct timespec *ts) seq = read_seqbegin(&tk->lock); ts->tv_sec = tk->xtime_sec; - ts->tv_nsec = timekeeping_get_ns(tk); + nsecs = timekeeping_get_ns(tk); } while (read_seqretry(&tk->lock, seq)); + ts->tv_nsec = 0; timespec_add_ns(ts, nsecs); } EXPORT_SYMBOL(getnstimeofday); @@ -345,6 +346,7 @@ void ktime_get_ts(struct timespec *ts) { struct timekeeper *tk = &timekeeper; struct timespec tomono; + s64 nsec; unsigned int seq; WARN_ON(timekeeping_suspended); @@ -352,13 +354,14 @@ void ktime_get_ts(struct timespec *ts) do { seq = read_seqbegin(&tk->lock); ts->tv_sec = tk->xtime_sec; - ts->tv_nsec = timekeeping_get_ns(tk); + nsec = timekeeping_get_ns(tk); tomono = tk->wall_to_monotonic; } while (read_seqretry(&tk->lock, seq)); - set_normalized_timespec(ts, ts->tv_sec + tomono.tv_sec, - ts->tv_nsec + tomono.tv_nsec); + ts->tv_sec += tomono.tv_sec; + ts->tv_nsec = 0; + timespec_add_ns(ts, nsec + tomono.tv_nsec); } EXPORT_SYMBOL_GPL(ktime_get_ts); @@ -1244,6 +1247,7 @@ void get_monotonic_boottime(struct timespec *ts) { struct timekeeper *tk = &timekeeper; struct timespec tomono, sleep; + s64 nsec; unsigned int seq; WARN_ON(timekeeping_suspended); @@ -1251,14 +1255,15 @@ void get_monotonic_boottime(struct timespec *ts) do { seq = read_seqbegin(&tk->lock); ts->tv_sec = tk->xtime_sec; - ts->tv_nsec = timekeeping_get_ns(tk); + nsec = timekeeping_get_ns(tk); tomono = tk->wall_to_monotonic; sleep = tk->total_sleep_time; } while (read_seqretry(&tk->lock, seq)); - set_normalized_timespec(ts, ts->tv_sec + tomono.tv_sec + sleep.tv_sec, - ts->tv_nsec + tomono.tv_nsec + sleep.tv_nsec); + ts->tv_sec += tomono.tv_sec + sleep.tv_sec; + ts->tv_nsec = 0; + timespec_add_ns(ts, nsec + tomono.tv_nsec + sleep.tv_nsec); } EXPORT_SYMBOL_GPL(get_monotonic_boottime); |