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kern_ntptime.c: Remove ntp_init()

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The ntp_init() function did set a couple of global objects to zero.  These
objects are in the .bss section and already initialized to zero during kernel
or module loading.
This commit is contained in:
Sebastian Huber 2022-02-07 14:16:16 -07:00 committed by Warner Losh
parent a3d71fffa7
commit 3ec0dc367b
1 changed files with 0 additions and 34 deletions
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34
sys/kern/kern_ntptime.c
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@ -207,7 +207,6 @@ static long pps_errcnt; /* calibration errors */
* End of phase/frequency-lock loop (PLL/FLL) definitions
*/
static void ntp_init(void);
static void hardupdate(long offset);
static void ntp_gettime1(struct ntptimeval *ntvp);
static bool ntp_is_time_error(int tsl);
@ -632,39 +631,6 @@ ntp_update_second(int64_t *adjustment, time_t *newsec)
NTP_UNLOCK();
}
/*
* ntp_init() - initialize variables and structures
*
* This routine must be called after the kernel variables hz and tick
* are set or changed and before the next tick interrupt. In this
* particular implementation, these values are assumed set elsewhere in
* the kernel. The design allows the clock frequency and tick interval
* to be changed while the system is running. So, this routine should
* probably be integrated with the code that does that.
*/
static void
ntp_init(void)
{
/*
* The following variables are initialized only at startup. Only
* those structures not cleared by the compiler need to be
* initialized, and these only in the simulator. In the actual
* kernel, any nonzero values here will quickly evaporate.
*/
L_CLR(time_offset);
L_CLR(time_freq);
#ifdef PPS_SYNC
pps_tf[0].tv_sec = pps_tf[0].tv_nsec = 0;
pps_tf[1].tv_sec = pps_tf[1].tv_nsec = 0;
pps_tf[2].tv_sec = pps_tf[2].tv_nsec = 0;
pps_fcount = 0;
L_CLR(pps_freq);
#endif /* PPS_SYNC */
}
SYSINIT(ntpclocks, SI_SUB_CLOCKS, SI_ORDER_MIDDLE, ntp_init, NULL);
/*
* hardupdate() - local clock update
*