d/freebsd-dev
1
0
Fork 0
Code Issues Pull Requests Packages Projects Releases Wiki Activity

Check general TSC presence before doing more specific checks and printfs.

Browse Source
This commit is contained in:
Alexander Motin 2010-06-12 13:10:03 +00:00
parent 6c9cdb5860
commit 1440de203f
Notes: svn2git 2020-12-20 02:59:44 +00:00 
svn path=/head/; revision=209103
1 changed files with 5 additions and 1 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

6
sys/i386/i386/tsc.c
View File

@ -123,6 +123,10 @@ init_TSC(void)
void void
init_TSC_tc(void) init_TSC_tc(void)
{ {
if (!tsc_present)
return;
/* /*
* We can not use the TSC if we support APM. Precise timekeeping * We can not use the TSC if we support APM. Precise timekeeping
* on an APM'ed machine is at best a fools pursuit, since * 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; tsc_timecounter.tc_quality = -100;
#endif #endif
if (tsc_present && tsc_freq != 0 && !tsc_is_broken) { if (tsc_freq != 0 && !tsc_is_broken) {
tsc_timecounter.tc_frequency = tsc_freq; tsc_timecounter.tc_frequency = tsc_freq;
tc_init(&tsc_timecounter); tc_init(&tsc_timecounter);
} }