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Diffstat (limited to 'kernel/time/hrtimer.c')
-rw-r--r--kernel/time/hrtimer.c40
1 files changed, 28 insertions, 12 deletions
diff --git a/kernel/time/hrtimer.c b/kernel/time/hrtimer.c
index e8c479329282..88aa062b8a55 100644
--- a/kernel/time/hrtimer.c
+++ b/kernel/time/hrtimer.c
@@ -59,6 +59,7 @@
#define HRTIMER_ACTIVE_ALL (HRTIMER_ACTIVE_SOFT | HRTIMER_ACTIVE_HARD)
static void retrigger_next_event(void *arg);
+static ktime_t __hrtimer_cb_get_time(clockid_t clock_id);
/*
* The timer bases:
@@ -76,42 +77,34 @@ DEFINE_PER_CPU(struct hrtimer_cpu_base, hrtimer_bases) =
{
.index = HRTIMER_BASE_MONOTONIC,
.clockid = CLOCK_MONOTONIC,
- .get_time = &ktime_get,
},
{
.index = HRTIMER_BASE_REALTIME,
.clockid = CLOCK_REALTIME,
- .get_time = &ktime_get_real,
},
{
.index = HRTIMER_BASE_BOOTTIME,
.clockid = CLOCK_BOOTTIME,
- .get_time = &ktime_get_boottime,
},
{
.index = HRTIMER_BASE_TAI,
.clockid = CLOCK_TAI,
- .get_time = &ktime_get_clocktai,
},
{
.index = HRTIMER_BASE_MONOTONIC_SOFT,
.clockid = CLOCK_MONOTONIC,
- .get_time = &ktime_get,
},
{
.index = HRTIMER_BASE_REALTIME_SOFT,
.clockid = CLOCK_REALTIME,
- .get_time = &ktime_get_real,
},
{
.index = HRTIMER_BASE_BOOTTIME_SOFT,
.clockid = CLOCK_BOOTTIME,
- .get_time = &ktime_get_boottime,
},
{
.index = HRTIMER_BASE_TAI_SOFT,
.clockid = CLOCK_TAI,
- .get_time = &ktime_get_clocktai,
},
},
.csd = CSD_INIT(retrigger_next_event, NULL)
@@ -208,7 +201,7 @@ static bool hrtimer_suitable_target(struct hrtimer *timer, struct hrtimer_clock_
/*
* The offline local CPU can't be the default target if the
* next remote target event is after this timer. Keep the
- * elected new base. An IPI will we issued to reprogram
+ * elected new base. An IPI will be issued to reprogram
* it as a last resort.
*/
if (!hrtimer_base_is_online(this_cpu_base))
@@ -1253,7 +1246,7 @@ static int __hrtimer_start_range_ns(struct hrtimer *timer, ktime_t tim,
remove_hrtimer(timer, base, true, force_local);
if (mode & HRTIMER_MODE_REL)
- tim = ktime_add_safe(tim, base->get_time());
+ tim = ktime_add_safe(tim, __hrtimer_cb_get_time(base->clockid));
tim = hrtimer_update_lowres(timer, tim, mode);
@@ -1574,10 +1567,10 @@ u64 hrtimer_next_event_without(const struct hrtimer *exclude)
static inline int hrtimer_clockid_to_base(clockid_t clock_id)
{
switch (clock_id) {
- case CLOCK_REALTIME:
- return HRTIMER_BASE_REALTIME;
case CLOCK_MONOTONIC:
return HRTIMER_BASE_MONOTONIC;
+ case CLOCK_REALTIME:
+ return HRTIMER_BASE_REALTIME;
case CLOCK_BOOTTIME:
return HRTIMER_BASE_BOOTTIME;
case CLOCK_TAI:
@@ -1588,6 +1581,29 @@ static inline int hrtimer_clockid_to_base(clockid_t clock_id)
}
}
+static ktime_t __hrtimer_cb_get_time(clockid_t clock_id)
+{
+ switch (clock_id) {
+ case CLOCK_MONOTONIC:
+ return ktime_get();
+ case CLOCK_REALTIME:
+ return ktime_get_real();
+ case CLOCK_BOOTTIME:
+ return ktime_get_boottime();
+ case CLOCK_TAI:
+ return ktime_get_clocktai();
+ default:
+ WARN(1, "Invalid clockid %d. Using MONOTONIC\n", clock_id);
+ return ktime_get();
+ }
+}
+
+ktime_t hrtimer_cb_get_time(const struct hrtimer *timer)
+{
+ return __hrtimer_cb_get_time(timer->base->clockid);
+}
+EXPORT_SYMBOL_GPL(hrtimer_cb_get_time);
+
static void __hrtimer_setup(struct hrtimer *timer,
enum hrtimer_restart (*function)(struct hrtimer *),
clockid_t clock_id, enum hrtimer_mode mode)