summaryrefslogtreecommitdiffstats
path: root/kernel/time/clocksource.c
diff options
context:
space:
mode:
Diffstat (limited to 'kernel/time/clocksource.c')
-rw-r--r--kernel/time/clocksource.c18
1 files changed, 10 insertions, 8 deletions
diff --git a/kernel/time/clocksource.c b/kernel/time/clocksource.c
index 18b9f5d..592bf58 100644
--- a/kernel/time/clocksource.c
+++ b/kernel/time/clocksource.c
@@ -30,7 +30,6 @@
#include <linux/module.h>
#include <linux/sched.h> /* for spin_unlock_irq() using preempt_count() m68k */
#include <linux/tick.h>
-#include <linux/hrtimer.h>
void timecounter_init(struct timecounter *tc,
const struct cyclecounter *cc,
@@ -511,13 +510,13 @@ static ssize_t sysfs_override_clocksource(struct sys_device *dev,
}
/*
- * Check to make sure we don't switch to a non-HRT usable
- * clocksource if HRT is enabled and running
+ * Check to make sure we don't switch to a non-highres capable
+ * clocksource if the tick code is in oneshot mode (highres or nohz)
*/
- if (hrtimer_hres_active() &&
+ if (tick_oneshot_mode_active() &&
!(ovr->flags & CLOCK_SOURCE_VALID_FOR_HRES)) {
printk(KERN_WARNING "%s clocksource is not HRT compatible. "
- "Cannot switch while in HRT mode\n", ovr->name);
+ "Cannot switch while in HRT/NOHZ mode\n", ovr->name);
ovr = NULL;
override_name[0] = 0;
}
@@ -550,9 +549,12 @@ sysfs_show_available_clocksources(struct sys_device *dev,
spin_lock_irq(&clocksource_lock);
list_for_each_entry(src, &clocksource_list, list) {
- /* Don't show non-HRES clocksource if HRES is enabled */
- if (!hrtimer_hres_active() ||
- (src->flags & CLOCK_SOURCE_VALID_FOR_HRES))
+ /*
+ * Don't show non-HRES clocksource if the tick code is
+ * in one shot mode (highres=on or nohz=on)
+ */
+ if (!tick_oneshot_mode_active() ||
+ (src->flags & CLOCK_SOURCE_VALID_FOR_HRES))
count += snprintf(buf + count,
max((ssize_t)PAGE_SIZE - count, (ssize_t)0),
"%s ", src->name);
OpenPOWER on IntegriCloud