X-Git-Url: https://err.no/cgi-bin/gitweb.cgi?a=blobdiff_plain;f=kernel%2Ftime%2Ftimekeeping.c;h=1af9fb050fe28b1e77ae9f43c3005e16972b2d65;hb=f702c5815696bfca095cc1173fff6995c4d39844;hp=092a2366b5a905d2fb8347106c08176a7ed81114;hpb=bbe4d18ac2e058c56adb0cd71f49d9ed3216a405;p=linux-2.6 diff --git a/kernel/time/timekeeping.c b/kernel/time/timekeeping.c index 092a2366b5..1af9fb050f 100644 --- a/kernel/time/timekeeping.c +++ b/kernel/time/timekeeping.c @@ -47,7 +47,7 @@ struct timespec wall_to_monotonic __attribute__ ((aligned (16))); static unsigned long total_sleep_time; /* seconds */ static struct timespec xtime_cache __attribute__ ((aligned (16))); -static inline void update_xtime_cache(u64 nsec) +void update_xtime_cache(u64 nsec) { xtime_cache = xtime; timespec_add_ns(&xtime_cache, nsec); @@ -145,6 +145,7 @@ int do_settimeofday(struct timespec *tv) set_normalized_timespec(&xtime, sec, nsec); set_normalized_timespec(&wall_to_monotonic, wtm_sec, wtm_nsec); + update_xtime_cache(0); clock->error = 0; ntp_clear(); @@ -200,9 +201,9 @@ static inline s64 __get_nsec_offset(void) { return 0; } #endif /** - * timekeeping_is_continuous - check to see if timekeeping is free running + * timekeeping_valid_for_hres - Check if timekeeping is suitable for hres */ -int timekeeping_is_continuous(void) +int timekeeping_valid_for_hres(void) { unsigned long seq; int ret; @@ -252,8 +253,8 @@ void __init timekeeping_init(void) xtime.tv_nsec = 0; set_normalized_timespec(&wall_to_monotonic, -xtime.tv_sec, -xtime.tv_nsec); + update_xtime_cache(0); total_sleep_time = 0; - write_sequnlock_irqrestore(&xtime_lock, flags); } @@ -290,6 +291,7 @@ static int timekeeping_resume(struct sys_device *dev) } /* Make sure that we have the correct xtime reference */ timespec_add_ns(&xtime, timekeeping_suspend_nsecs); + update_xtime_cache(0); /* re-base the last cycle value */ clock->cycle_last = clocksource_read(clock); clock->error = 0; @@ -362,7 +364,7 @@ static __always_inline int clocksource_bigadjust(s64 error, s64 *interval, * with losing too many ticks, otherwise we would overadjust and * produce an even larger error. The smaller the adjustment the * faster we try to adjust for it, as lost ticks can do less harm - * here. This is tuned so that an error of about 1 msec is adusted + * here. This is tuned so that an error of about 1 msec is adjusted * within about 1 sec (or 2^20 nsec in 2^SHIFT_HZ ticks). */ error2 = clock->error >> (TICK_LENGTH_SHIFT + 22 - 2 * SHIFT_HZ);