Author: kib
Date: Wed Jun 10 22:30:32 2020
New Revision: 362033
URL: https://svnweb.freebsd.org/changeset/base/362033
Log:
Remove double-calls to tc_get_timecount() to warm timecounters.
It seems that second call does not add any useful state change for all
implemented timecounters.
Discussed with: bde
Sponsored by: The FreeBSD Foundation
MFC after: 3 weeks
Modified:
head/sys/dev/acpica/acpi.c
head/sys/dev/acpica/acpi_timer.c
head/sys/dev/xen/control/control.c
head/sys/kern/kern_tc.c
Modified: head/sys/dev/acpica/acpi.c
==============================================================================
--- head/sys/dev/acpica/acpi.c Wed Jun 10 22:13:24 2020 (r362032)
+++ head/sys/dev/acpica/acpi.c Wed Jun 10 22:30:32 2020 (r362033)
@@ -3220,7 +3220,6 @@ acpi_resync_clock(struct acpi_softc *sc)
* Warm up timecounter again and reset system clock.
*/
(void)timecounter->tc_get_timecount(timecounter);
- (void)timecounter->tc_get_timecount(timecounter);
inittodr(time_second + sc->acpi_sleep_delay);
}
Modified: head/sys/dev/acpica/acpi_timer.c
==============================================================================
--- head/sys/dev/acpica/acpi_timer.c Wed Jun 10 22:13:24 2020
(r362032)
+++ head/sys/dev/acpica/acpi_timer.c Wed Jun 10 22:30:32 2020
(r362033)
@@ -274,7 +274,6 @@ acpi_timer_resume_handler(struct timecounter *newtc)
"restoring timecounter, %s -> %s\n",
tc->tc_name, newtc->tc_name);
(void)newtc->tc_get_timecount(newtc);
- (void)newtc->tc_get_timecount(newtc);
timecounter = newtc;
}
}
Modified: head/sys/dev/xen/control/control.c
==============================================================================
--- head/sys/dev/xen/control/control.c Wed Jun 10 22:13:24 2020
(r362032)
+++ head/sys/dev/xen/control/control.c Wed Jun 10 22:30:32 2020
(r362033)
@@ -303,7 +303,6 @@ xctrl_suspend()
* Warm up timecounter again and reset system clock.
*/
timecounter->tc_get_timecount(timecounter);
- timecounter->tc_get_timecount(timecounter);
inittodr(time_second);
#ifdef EARLY_AP_STARTUP
Modified: head/sys/kern/kern_tc.c
==============================================================================
--- head/sys/kern/kern_tc.c Wed Jun 10 22:13:24 2020 (r362032)
+++ head/sys/kern/kern_tc.c Wed Jun 10 22:30:32 2020 (r362033)
@@ -1206,7 +1206,6 @@ tc_init(struct timecounter *tc)
tc->tc_frequency < timecounter->tc_frequency)
return;
(void)tc->tc_get_timecount(tc);
- (void)tc->tc_get_timecount(tc);
timecounter = tc;
}
@@ -1469,7 +1468,6 @@ sysctl_kern_timecounter_hardware(SYSCTL_HANDLER_ARGS)
/* Warm up new timecounter. */
(void)newtc->tc_get_timecount(newtc);
- (void)newtc->tc_get_timecount(newtc);
timecounter = newtc;
@@ -1962,7 +1960,6 @@ inittimecounter(void *dummy)
#endif
/* warm up new timecounter (again) and get rolling. */
- (void)timecounter->tc_get_timecount(timecounter);
(void)timecounter->tc_get_timecount(timecounter);
mtx_lock_spin(&tc_setclock_mtx);
tc_windup(NULL);
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