diff options
| -rw-r--r-- | arch/ia64/kernel/time.c | 4 | ||||
| -rw-r--r-- | arch/powerpc/kernel/time.c | 5 | ||||
| -rw-r--r-- | arch/s390/kernel/time.c | 3 | ||||
| -rw-r--r-- | arch/x86/kernel/vsyscall_64.c | 5 | ||||
| -rw-r--r-- | include/linux/clocksource.h | 6 | ||||
| -rw-r--r-- | include/linux/hrtimer.h | 4 | ||||
| -rw-r--r-- | kernel/itimer.c | 7 | ||||
| -rw-r--r-- | kernel/time/timekeeping.c | 6 |
8 files changed, 23 insertions, 17 deletions
diff --git a/arch/ia64/kernel/time.c b/arch/ia64/kernel/time.c index 4990495d7531..a35c661e5e89 100644 --- a/arch/ia64/kernel/time.c +++ b/arch/ia64/kernel/time.c @@ -473,7 +473,7 @@ void update_vsyscall_tz(void) { } -void update_vsyscall(struct timespec *wall, struct clocksource *c) +void update_vsyscall(struct timespec *wall, struct clocksource *c, u32 mult) { unsigned long flags; @@ -481,7 +481,7 @@ void update_vsyscall(struct timespec *wall, struct clocksource *c) /* copy fsyscall clock data */ fsyscall_gtod_data.clk_mask = c->mask; - fsyscall_gtod_data.clk_mult = c->mult; + fsyscall_gtod_data.clk_mult = mult; fsyscall_gtod_data.clk_shift = c->shift; fsyscall_gtod_data.clk_fsys_mmio = c->fsys_mmio; fsyscall_gtod_data.clk_cycle_last = c->cycle_last; diff --git a/arch/powerpc/kernel/time.c b/arch/powerpc/kernel/time.c index d18a7f04edec..674800b242d6 100644 --- a/arch/powerpc/kernel/time.c +++ b/arch/powerpc/kernel/time.c @@ -834,7 +834,8 @@ static cycle_t timebase_read(struct clocksource *cs) return (cycle_t)get_tb(); } -void update_vsyscall(struct timespec *wall_time, struct clocksource *clock) +void update_vsyscall(struct timespec *wall_time, struct clocksource *clock, + u32 mult) { u64 t2x, stamp_xsec; @@ -847,7 +848,7 @@ void update_vsyscall(struct timespec *wall_time, struct clocksource *clock) /* XXX this assumes clock->shift == 22 */ /* 4611686018 ~= 2^(20+64-22) / 1e9 */ - t2x = (u64) clock->mult * 4611686018ULL; + t2x = (u64) mult * 4611686018ULL; stamp_xsec = (u64) xtime.tv_nsec * XSEC_PER_SEC; do_div(stamp_xsec, 1000000000); stamp_xsec += (u64) xtime.tv_sec * XSEC_PER_SEC; diff --git a/arch/s390/kernel/time.c b/arch/s390/kernel/time.c index 34162a0b2caa..68e1ecf5ebab 100644 --- a/arch/s390/kernel/time.c +++ b/arch/s390/kernel/time.c @@ -214,7 +214,8 @@ struct clocksource * __init clocksource_default_clock(void) return &clocksource_tod; } -void update_vsyscall(struct timespec *wall_time, struct clocksource *clock) +void update_vsyscall(struct timespec *wall_time, struct clocksource *clock, + u32 mult) { if (clock != &clocksource_tod) return; diff --git a/arch/x86/kernel/vsyscall_64.c b/arch/x86/kernel/vsyscall_64.c index e02d92d12bcd..9055e5872ff0 100644 --- a/arch/x86/kernel/vsyscall_64.c +++ b/arch/x86/kernel/vsyscall_64.c @@ -73,7 +73,8 @@ void update_vsyscall_tz(void) write_sequnlock_irqrestore(&vsyscall_gtod_data.lock, flags); } -void update_vsyscall(struct timespec *wall_time, struct clocksource *clock) +void update_vsyscall(struct timespec *wall_time, struct clocksource *clock, + u32 mult) { unsigned long flags; @@ -82,7 +83,7 @@ void update_vsyscall(struct timespec *wall_time, struct clocksource *clock) vsyscall_gtod_data.clock.vread = clock->vread; vsyscall_gtod_data.clock.cycle_last = clock->cycle_last; vsyscall_gtod_data.clock.mask = clock->mask; - vsyscall_gtod_data.clock.mult = clock->mult; + vsyscall_gtod_data.clock.mult = mult; vsyscall_gtod_data.clock.shift = clock->shift; vsyscall_gtod_data.wall_time_sec = wall_time->tv_sec; vsyscall_gtod_data.wall_time_nsec = wall_time->tv_nsec; diff --git a/include/linux/clocksource.h b/include/linux/clocksource.h index 279c5478e8a6..8a4a130cc196 100644 --- a/include/linux/clocksource.h +++ b/include/linux/clocksource.h @@ -292,10 +292,12 @@ clocksource_calc_mult_shift(struct clocksource *cs, u32 freq, u32 minsec) } #ifdef CONFIG_GENERIC_TIME_VSYSCALL -extern void update_vsyscall(struct timespec *ts, struct clocksource *c); +extern void +update_vsyscall(struct timespec *ts, struct clocksource *c, u32 mult); extern void update_vsyscall_tz(void); #else -static inline void update_vsyscall(struct timespec *ts, struct clocksource *c) +static inline void +update_vsyscall(struct timespec *ts, struct clocksource *c, u32 mult) { } diff --git a/include/linux/hrtimer.h b/include/linux/hrtimer.h index ff037f0b1b4e..9bace4b9f4fe 100644 --- a/include/linux/hrtimer.h +++ b/include/linux/hrtimer.h @@ -446,7 +446,7 @@ extern void timer_stats_update_stats(void *timer, pid_t pid, void *startf, static inline void timer_stats_account_hrtimer(struct hrtimer *timer) { - if (likely(!timer->start_site)) + if (likely(!timer_stats_active)) return; timer_stats_update_stats(timer, timer->start_pid, timer->start_site, timer->function, timer->start_comm, 0); @@ -457,8 +457,6 @@ extern void __timer_stats_hrtimer_set_start_info(struct hrtimer *timer, static inline void timer_stats_hrtimer_set_start_info(struct hrtimer *timer) { - if (likely(!timer_stats_active)) - return; __timer_stats_hrtimer_set_start_info(timer, __builtin_return_address(0)); } diff --git a/kernel/itimer.c b/kernel/itimer.c index b03451ede528..d802883153da 100644 --- a/kernel/itimer.c +++ b/kernel/itimer.c @@ -146,6 +146,7 @@ static void set_cpu_itimer(struct task_struct *tsk, unsigned int clock_id, { cputime_t cval, nval, cinterval, ninterval; s64 ns_ninterval, ns_nval; + u32 error, incr_error; struct cpu_itimer *it = &tsk->signal->it[clock_id]; nval = timeval_to_cputime(&value->it_value); @@ -153,8 +154,8 @@ static void set_cpu_itimer(struct task_struct *tsk, unsigned int clock_id, ninterval = timeval_to_cputime(&value->it_interval); ns_ninterval = timeval_to_ns(&value->it_interval); - it->incr_error = cputime_sub_ns(ninterval, ns_ninterval); - it->error = cputime_sub_ns(nval, ns_nval); + error = cputime_sub_ns(nval, ns_nval); + incr_error = cputime_sub_ns(ninterval, ns_ninterval); spin_lock_irq(&tsk->sighand->siglock); @@ -168,6 +169,8 @@ static void set_cpu_itimer(struct task_struct *tsk, unsigned int clock_id, } it->expires = nval; it->incr = ninterval; + it->error = error; + it->incr_error = incr_error; trace_itimer_state(clock_id == CPUCLOCK_VIRT ? ITIMER_VIRTUAL : ITIMER_PROF, value, nval); diff --git a/kernel/time/timekeeping.c b/kernel/time/timekeeping.c index d1aebd73b191..af4135f05825 100644 --- a/kernel/time/timekeeping.c +++ b/kernel/time/timekeeping.c @@ -170,7 +170,7 @@ void timekeeping_leap_insert(int leapsecond) { xtime.tv_sec += leapsecond; wall_to_monotonic.tv_sec -= leapsecond; - update_vsyscall(&xtime, timekeeper.clock); + update_vsyscall(&xtime, timekeeper.clock, timekeeper.mult); } #ifdef CONFIG_GENERIC_TIME @@ -328,7 +328,7 @@ int do_settimeofday(struct timespec *tv) timekeeper.ntp_error = 0; ntp_clear(); - update_vsyscall(&xtime, timekeeper.clock); + update_vsyscall(&xtime, timekeeper.clock, timekeeper.mult); write_sequnlock_irqrestore(&xtime_lock, flags); @@ -840,7 +840,7 @@ void update_wall_time(void) timekeeper.ntp_error_shift; /* check to see if there is a new clocksource to use */ - update_vsyscall(&xtime, timekeeper.clock); + update_vsyscall(&xtime, timekeeper.clock, timekeeper.mult); } /** |