Author: mav
Date: Sat Jun 12 13:10:03 2010
New Revision: 209103
URL: http://svn.freebsd.org/changeset/base/209103
Log:
Check general TSC presence before doing more specific checks and printfs.
Modified:
head/sys/i386/i386/tsc.c
Modified: head/sys/i386/i386/tsc.c
==============================================================================
--- head/sys/i386/i386/tsc.c Sat Jun 12 12:19:08 2010 (r209102)
+++ head/sys/i386/i386/tsc.c Sat Jun 12 13:10:03 2010 (r209103)
@@ -123,6 +123,10 @@ init_TSC(void)
void
init_TSC_tc(void)
{
+
+ if (!tsc_present)
+ return;
+
/*
* We can not use the TSC if we support APM. Precise timekeeping
* on an APM'ed machine is at best a fools pursuit, since
@@ -152,7 +156,7 @@ init_TSC_tc(void)
tsc_timecounter.tc_quality = -100;
#endif
- if (tsc_present && tsc_freq != 0 && !tsc_is_broken) {
+ if (tsc_freq != 0 && !tsc_is_broken) {
tsc_timecounter.tc_frequency = tsc_freq;
tc_init(&tsc_timecounter);
}
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