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Richard Cochran 2eebdde652 timecounter: keep track of accumulated fractional nanoseconds 
The current timecounter implementation will drop a variable amount
of resolution, depending on the magnitude of the time delta. In
other words, reading the clock too often or too close to a time
stamp conversion will introduce errors into the time values. This
patch fixes the issue by introducing a fractional nanosecond field
that accumulates the low order bits.

Reported-by: Janusz Użycki <j.uzycki@elproma.com.pl>
Signed-off-by: Richard Cochran <richardcochran@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
 		2014-12-30 18:29:27 -05:00
..
Kconfig clocksource: Move cycle_last validation to core code 2014-07-23 15:01:51 -07:00
Makefile time: move the timecounter/cyclecounter code into its own file. 2014-12-30 18:29:25 -05:00
alarmtimer.c alarmtimer: Lock k_itimer during timer callback 2014-09-12 13:59:12 -07:00
clockevents.c clockevents: Prevent shift out of bounds 2014-10-25 10:43:15 +02:00
clocksource.c time: move the timecounter/cyclecounter code into its own file. 2014-12-30 18:29:25 -05:00
hrtimer.c Merge branch 'for-3.18-consistent-ops' of git://git.kernel.org/pub/scm/linux/kernel/git/tj/percpu 2014-10-15 07:48:18 +02:00
itimer.c
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jiffies.c
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ntp.c timekeeping: Provide timespec64 based interfaces 2014-07-23 10:17:55 -07:00
ntp_internal.h
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posix-clock.c
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posix-cpu-timers.c sched/cputime: Fix cpu_timer_sample_group() double accounting 2014-11-16 10:04:18 +01:00
posix-timers.c posix-timers: Fix stack info leak in timer_create() 2014-10-25 10:43:15 +02:00
sched_clock.c sched_clock: Avoid corrupting hrtimer tree during suspend 2014-07-24 12:02:49 +02:00
test_udelay.c time: Rename udelay_test.c to test_udelay.c 2014-11-21 11:59:55 -08:00
tick-broadcast-hrtimer.c
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tick-broadcast.c time: Replace __get_cpu_var uses 2014-08-26 13:45:44 -04:00
tick-common.c Merge branch 'for-3.18-consistent-ops' of git://git.kernel.org/pub/scm/linux/kernel/git/tj/percpu 2014-10-15 07:48:18 +02:00
tick-internal.h nohz: Move nohz full init call to tick init 2014-09-13 18:34:44 +02:00
tick-oneshot.c time: Replace __get_cpu_var uses 2014-08-26 13:45:44 -04:00
tick-sched.c Merge branch 'timers-urgent-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip 2014-12-19 13:29:20 -08:00
time.c Merge branch 'drm-next' of git://people.freedesktop.org/~airlied/linux 2014-12-15 15:52:01 -08:00
timeconst.bc
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timeconv.c
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timecounter.c timecounter: keep track of accumulated fractional nanoseconds 2014-12-30 18:29:27 -05:00
timekeeping.c Merge branch 'timers-2038-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip 2014-12-10 10:13:28 -08:00
timekeeping.h
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timekeeping_debug.c
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timekeeping_internal.h clocksource: Move cycle_last validation to core code 2014-07-23 15:01:51 -07:00
timer.c rcu: Remove "cpu" argument to rcu_check_callbacks() 2014-11-03 19:20:11 -08:00
timer_list.c
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timer_stats.c
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