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Tidy up r222866.

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- Re-add accidentally removed atomic op. for sysctl(9) handler.
- Remove a period(`.') at the end of a debugging message.
- Consistently spell "low" for "TSC-low" timecounter throughout.

Pointed out by:	bde
This commit is contained in:
Jung-uk Kim 2011-06-08 23:44:59 +00:00
parent b4775b4c1d
commit bc8e4ad2ef
Notes: svn2git 2020-12-20 02:59:44 +00:00 
svn path=/head/; revision=222884
1 changed files with 6 additions and 6 deletions
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12
sys/x86/x86/tsc.c
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@ -80,7 +80,7 @@ static void tsc_freq_changed(void *arg, const struct cf_level *level,
static void tsc_freq_changing(void *arg, const struct cf_level *level,
int *status);
static unsigned tsc_get_timecount(struct timecounter *tc);
static unsigned tsc_get_timecount_lowres(struct timecounter *tc);
static unsigned tsc_get_timecount_low(struct timecounter *tc);
static void tsc_levels_changed(void *arg, int unit);
static struct timecounter tsc_timecounter = {
@ -464,10 +464,10 @@ init_TSC_tc(void)
for (shift = 0; shift < 32 && (tsc_freq >> shift) > max_freq; shift++)
;
if (shift > 0) {
tsc_timecounter.tc_get_timecount = tsc_get_timecount_lowres;
tsc_timecounter.tc_get_timecount = tsc_get_timecount_low;
tsc_timecounter.tc_name = "TSC-low";
if (bootverbose)
printf("TSC timecounter discards lower %d bit(s).\n",
printf("TSC timecounter discards lower %d bit(s)\n",
shift);
}
if (tsc_freq != 0) {
@ -560,8 +560,8 @@ sysctl_machdep_tsc_freq(SYSCTL_HANDLER_ARGS)
error = sysctl_handle_64(oidp, &freq, 0, req);
if (error == 0 && req->newptr != NULL) {
atomic_store_rel_64(&tsc_freq, freq);
tsc_timecounter.tc_frequency =
freq >> (int)(intptr_t)tsc_timecounter.tc_priv;
atomic_store_rel_64(&tsc_timecounter.tc_frequency,
freq >> (int)(intptr_t)tsc_timecounter.tc_priv);
}
return (error);
}
@ -577,7 +577,7 @@ tsc_get_timecount(struct timecounter *tc __unused)
}
static u_int
tsc_get_timecount_lowres(struct timecounter *tc)
tsc_get_timecount_low(struct timecounter *tc)
{
return (rdtsc() >> (int)(intptr_t)tc->tc_priv);