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linux/kernel/time
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Tomas Janousek 7c3f1a5732 Introduce boot based time 
The commits

  411187fb05 (GTOD: persistent clock support)
  c1d370e167 (i386: use GTOD persistent clock
    support)

changed the monotonic time so that it no longer jumps after resume, but it's
not possible to use it for boot time and process start time calculations then.
 Also, the uptime no longer increases during suspend.

I add a variable to track the wall_to_monotonic changes, a function to get the
real boot time and a function to get the boot based time from the monotonic
one.

[akpm@linux-foundation.org: remove exports, add comment]
Signed-off-by: Tomas Janousek <tjanouse@redhat.com>
Cc: Tomas Smetana <tsmetana@redhat.com>
Cc: John Stultz <johnstul@us.ibm.com>
Cc: Thomas Gleixner <tglx@linutronix.de>
Cc: Ingo Molnar <mingo@elte.hu>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2007-07-16 09:05:41 -07:00
..
clockevents.c [PATCH] clockevents: remove bad designed sysfs support for now 2007-03-26 14:07:23 -07:00
clocksource.c clocksource: fix lock order in the resume path 2007-05-15 08:54:00 -07:00
jiffies.c [PATCH] fix jiffies clocksource inittime 2007-04-04 21:12:47 -07:00
Kconfig [PATCH] hrtimers: add high resolution timer support 2007-02-16 08:13:59 -08:00
Makefile Move timekeeping code to timekeeping.c 2007-05-08 11:15:06 -07:00
ntp.c NTP: remove clock_was_set() call to prevent deadlock 2007-07-03 13:54:27 -07:00
tick-broadcast.c Ignore bogus ACPI info for offline CPUs 2007-05-23 20:14:11 -07:00
tick-common.c highres/dyntick: prevent xtime lock contention 2007-05-08 11:15:10 -07:00
tick-internal.h highres/dyntick: prevent xtime lock contention 2007-05-08 11:15:10 -07:00
tick-oneshot.c [PATCH] clockevents: Fix suspend/resume to disk hangs 2007-03-16 19:35:25 -07:00
tick-sched.c NOHZ: prevent multiplication overflow - stop timer for huge timeouts 2007-05-29 18:11:10 -07:00
timekeeping.c Introduce boot based time 2007-07-16 09:05:41 -07:00
timer_list.c Fix printk format warnings in timer_list.c 2007-05-09 12:30:50 -07:00
timer_stats.c timer stats: speedups 2007-06-01 08:18:30 -07:00