.clock_base =
{
{
- .index = CLOCK_REALTIME,
- .get_time = &ktime_get_real,
- .resolution = KTIME_LOW_RES,
- },
- {
- .index = CLOCK_MONOTONIC,
+ .index = HRTIMER_BASE_MONOTONIC,
+ .clockid = CLOCK_MONOTONIC,
.get_time = &ktime_get,
.resolution = KTIME_LOW_RES,
},
{
- .index = CLOCK_BOOTTIME,
- .get_time = &ktime_get_boottime,
+ .index = HRTIMER_BASE_REALTIME,
+ .clockid = CLOCK_REALTIME,
+ .get_time = &ktime_get_real,
.resolution = KTIME_LOW_RES,
},
{
- .index = CLOCK_REALTIME_COS,
- .get_time = &ktime_get_real,
+ .index = HRTIMER_BASE_BOOTTIME,
+ .clockid = CLOCK_BOOTTIME,
+ .get_time = &ktime_get_boottime,
.resolution = KTIME_LOW_RES,
},
}
[CLOCK_REALTIME] = HRTIMER_BASE_REALTIME,
[CLOCK_MONOTONIC] = HRTIMER_BASE_MONOTONIC,
[CLOCK_BOOTTIME] = HRTIMER_BASE_BOOTTIME,
- [CLOCK_REALTIME_COS] = HRTIMER_BASE_REALTIME_COS,
};
static inline int hrtimer_clockid_to_base(clockid_t clock_id)
base->clock_base[HRTIMER_BASE_REALTIME].softirq_time = xtim;
base->clock_base[HRTIMER_BASE_MONOTONIC].softirq_time = mono;
base->clock_base[HRTIMER_BASE_BOOTTIME].softirq_time = boot;
- base->clock_base[HRTIMER_BASE_REALTIME_COS].softirq_time = xtim;
}
/*
struct hrtimer_cpu_base *new_cpu_base;
int this_cpu = smp_processor_id();
int cpu = hrtimer_get_target(this_cpu, pinned);
- int basenum = hrtimer_clockid_to_base(base->index);
+ int basenum = base->index;
again:
new_cpu_base = &per_cpu(hrtimer_bases, cpu);
trace_hrtimer_cancel(timer);
}
-static void hrtimer_expire_cancelable(struct hrtimer_cpu_base *cpu_base);
-
/* High resolution timer related functions */
#ifdef CONFIG_HIGH_RES_TIMERS
return 0;
}
-static void retrigger_next_event(void *arg);
+/*
+ * Retrigger next event is called after clock was set
+ *
+ * Called with interrupts disabled via on_each_cpu()
+ */
+static void retrigger_next_event(void *arg)
+{
+ struct hrtimer_cpu_base *base = &__get_cpu_var(hrtimer_bases);
+ struct timespec realtime_offset, xtim, wtm, sleep;
+
+ if (!hrtimer_hres_active())
+ return;
+
+ /* Optimized out for !HIGH_RES */
+ get_xtime_and_monotonic_and_sleep_offset(&xtim, &wtm, &sleep);
+ set_normalized_timespec(&realtime_offset, -wtm.tv_sec, -wtm.tv_nsec);
+
+ /* Adjust CLOCK_REALTIME offset */
+ raw_spin_lock(&base->lock);
+ base->clock_base[HRTIMER_BASE_REALTIME].offset =
+ timespec_to_ktime(realtime_offset);
+ base->clock_base[HRTIMER_BASE_BOOTTIME].offset =
+ timespec_to_ktime(sleep);
+
+ hrtimer_force_reprogram(base, 0);
+ raw_spin_unlock(&base->lock);
+}
/*
* Switch to high resolution mode
return 0;
}
static inline void hrtimer_init_hres(struct hrtimer_cpu_base *base) { }
+static inline void retrigger_next_event(void *arg) { }
#endif /* CONFIG_HIGH_RES_TIMERS */
-/*
- * Retrigger next event is called after clock was set
- *
- * Called with interrupts disabled via on_each_cpu()
- */
-static void retrigger_next_event(void *arg)
-{
- struct hrtimer_cpu_base *base = &__get_cpu_var(hrtimer_bases);
- struct timespec realtime_offset, xtim, wtm, sleep;
-
- if (!hrtimer_hres_active()) {
- raw_spin_lock(&base->lock);
- hrtimer_expire_cancelable(base);
- raw_spin_unlock(&base->lock);
- return;
- }
-
- /* Optimized out for !HIGH_RES */
- get_xtime_and_monotonic_and_sleep_offset(&xtim, &wtm, &sleep);
- set_normalized_timespec(&realtime_offset, -wtm.tv_sec, -wtm.tv_nsec);
-
- /* Adjust CLOCK_REALTIME offset */
- raw_spin_lock(&base->lock);
- base->clock_base[HRTIMER_BASE_REALTIME].offset =
- timespec_to_ktime(realtime_offset);
- base->clock_base[HRTIMER_BASE_BOOTTIME].offset =
- timespec_to_ktime(sleep);
- base->clock_base[HRTIMER_BASE_REALTIME_COS].offset =
- timespec_to_ktime(realtime_offset);
-
- hrtimer_expire_cancelable(base);
-
- hrtimer_force_reprogram(base, 0);
- raw_spin_unlock(&base->lock);
-}
-
/*
* Clock realtime was set
*
*/
void clock_was_set(void)
{
+#ifdef CONFIG_HIGH_RES_TIMERS
/* Retrigger the CPU local events everywhere */
on_each_cpu(retrigger_next_event, NULL, 1);
+#endif
+ timerfd_clock_was_set();
}
/*
KERN_INFO "hrtimers_resume() called with IRQs enabled!");
retrigger_next_event(NULL);
+ timerfd_clock_was_set();
}
static inline void timer_stats_hrtimer_set_start_info(struct hrtimer *timer)
debug_activate(timer);
timerqueue_add(&base->active, &timer->node);
+ base->cpu_base->active_bases |= 1 << base->index;
/*
* HRTIMER_STATE_ENQUEUED is or'ed to the current state to preserve the
#endif
}
timerqueue_del(&base->active, &timer->node);
+ if (!timerqueue_getnext(&base->active))
+ base->cpu_base->active_bases &= ~(1 << base->index);
out:
timer->state = newstate;
}
timer->state &= ~HRTIMER_STATE_CALLBACK;
}
-static void hrtimer_expire_cancelable(struct hrtimer_cpu_base *cpu_base)
-{
- struct timerqueue_node *node;
- struct hrtimer_clock_base *base;
- ktime_t now = ktime_get_real();
-
- base = &cpu_base->clock_base[HRTIMER_BASE_REALTIME_COS];
-
- while ((node = timerqueue_getnext(&base->active))) {
- struct hrtimer *timer;
-
- timer = container_of(node, struct hrtimer, node);
- __run_hrtimer(timer, &now);
- }
-}
-
#ifdef CONFIG_HIGH_RES_TIMERS
/*
void hrtimer_interrupt(struct clock_event_device *dev)
{
struct hrtimer_cpu_base *cpu_base = &__get_cpu_var(hrtimer_bases);
- struct hrtimer_clock_base *base;
ktime_t expires_next, now, entry_time, delta;
int i, retries = 0;
*/
cpu_base->expires_next.tv64 = KTIME_MAX;
- base = cpu_base->clock_base;
-
for (i = 0; i < HRTIMER_MAX_CLOCK_BASES; i++) {
- ktime_t basenow;
+ struct hrtimer_clock_base *base;
struct timerqueue_node *node;
+ ktime_t basenow;
+
+ if (!(cpu_base->active_bases & (1 << i)))
+ continue;
+ base = cpu_base->clock_base + i;
basenow = ktime_add(now, base->offset);
while ((node = timerqueue_getnext(&base->active))) {
__run_hrtimer(timer, &basenow);
}
- base++;
}
/*
struct timespec __user *rmtp;
int ret = 0;
- hrtimer_init_on_stack(&t.timer, restart->nanosleep.index,
+ hrtimer_init_on_stack(&t.timer, restart->nanosleep.clockid,
HRTIMER_MODE_ABS);
hrtimer_set_expires_tv64(&t.timer, restart->nanosleep.expires);
restart = ¤t_thread_info()->restart_block;
restart->fn = hrtimer_nanosleep_restart;
- restart->nanosleep.index = t.timer.base->index;
+ restart->nanosleep.clockid = t.timer.base->clockid;
restart->nanosleep.rmtp = rmtp;
restart->nanosleep.expires = hrtimer_get_expires_tv64(&t.timer);
git.openpandora.org / pandora-kernel.git / blobdiff