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ntp: Access tick_length variable via ntp_tick_length()

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Currently the NTP managed tick_length value is accessed globally,
in preparations for locking cleanups, make sure it is accessed via
a function and mark it as static.

CC: Thomas Gleixner <tglx@linutronix.de>
CC: Eric Dumazet <eric.dumazet@gmail.com>
CC: Richard Cochran <richardcochran@gmail.com>
Signed-off-by: John Stultz <john.stultz@linaro.org>
This commit is contained in:
John Stultz
2011-11-14 13:18:07 -08:00
parent 8357929e6a
commit ea7cf49a76
3 changed files with 12 additions and 5 deletions
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9
kernel/time/ntp.c
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@ -28,7 +28,7 @@ unsigned long tick_usec = TICK_USEC;
/* ACTHZ period (nsecs): */
unsigned long tick_nsec;
u64 tick_length;
static u64 tick_length;
static u64 tick_length_base;
static struct hrtimer leap_timer;
@ -360,6 +360,13 @@ void ntp_clear(void)
pps_clear();
}
u64 ntp_tick_length(void)
{
return tick_length;
}
/*
* Leap second processing. If in leap-insert state at the end of the
* day, the system clock is set back one second; if in leap-delete