[PATCH 0/2] ntp:Change the type of time_reftime and replace get_seconds()

[DengChao]

The type of ntp static variant "time_reftime" and the type of get_seconds()'s
return value are both unsign long now, which may cause y2038 problem on 32bit systems.

So change time_reftime' type to time64_t, and replace get_seconds with
ktime_get_real_seconds() in ntp.
ktime_get_real_seconds() does the same thing as get_seconds() and is y2038 safe,
but ktime_get_real_seconds holds the timekeeping lock which is also held by the ntp code.
We need timekeeping to provide a none lock version of ktime_get_real_seconds
before we can start to solve the ntp.c's y2038 problem.

The [PATCH 1/2] provides the internal none lock version function.
The [PATCH 2/2] does the real fix.

DengChao (2):
  timekeeping: Provide internal function __ktime_get_real_seconds
  ntp:Change the type of time_reftime to time64_t and replace    
    get_seconds with __ktime_get_real_seconds

 kernel/time/ntp.c                  | 10 ++++++----
 kernel/time/timekeeping.c          | 13 +++++++++++++
 kernel/time/timekeeping_internal.h |  2 ++
 3 files changed, 21 insertions(+), 4 deletions(-)

-- 
1.9.1

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