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Fix 'kern.timeconter.invariant_tsc' tunable and back out a redundant hack.

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Somehow incomplete version was committed. :-(
This commit is contained in:
Jung-uk Kim 2008-10-21 04:31:07 +00:00
parent 8dd3202c26
commit 1f6a1a7802
1 changed files with 4 additions and 4 deletions
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8
sys/i386/i386/tsc.c
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@ -53,7 +53,8 @@ u_int tsc_present;
static eventhandler_tag tsc_levels_tag, tsc_pre_tag, tsc_post_tag;
SYSCTL_INT(_kern_timecounter, OID_AUTO, invariant_tsc, CTLFLAG_RDTUN,
&tsc_is_invariant, 0, "Indicates the TSC is P-state invariant");
&tsc_is_invariant, 0, "Indicates whether the TSC is P-state invariant");
TUNABLE_INT("kern.timecounter.invariant_tsc", &tsc_is_invariant);
#ifdef SMP
static int smp_tsc;
@ -111,9 +112,8 @@ init_TSC(void)
set_cputicker(rdtsc, tsc_freq, 1);
/* Register to find out about changes in CPU frequency. */
if (!tsc_is_invariant)
tsc_pre_tag = EVENTHANDLER_REGISTER(cpufreq_pre_change,
tsc_freq_changing, NULL, EVENTHANDLER_PRI_FIRST);
tsc_pre_tag = EVENTHANDLER_REGISTER(cpufreq_pre_change,
tsc_freq_changing, NULL, EVENTHANDLER_PRI_FIRST);
tsc_post_tag = EVENTHANDLER_REGISTER(cpufreq_post_change,
tsc_freq_changed, NULL, EVENTHANDLER_PRI_FIRST);
tsc_levels_tag = EVENTHANDLER_REGISTER(cpufreq_levels_changed,