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-rw-r--r--kernel/sched/core.c2
-rw-r--r--kernel/sched/deadline.c4
-rw-r--r--kernel/sched/fair.c4
-rw-r--r--kernel/sched/features.h1
-rw-r--r--kernel/sched/sched.h26
5 files changed, 30 insertions, 7 deletions
diff --git a/kernel/sched/core.c b/kernel/sched/core.c
index 18d51ab3d2b9..88a2e2bdbabe 100644
--- a/kernel/sched/core.c
+++ b/kernel/sched/core.c
@@ -4969,7 +4969,7 @@ static void __sched notrace __schedule(bool preempt)
schedule_debug(prev, preempt);
- if (sched_feat(HRTICK))
+ if (sched_feat(HRTICK) || sched_feat(HRTICK_DL))
hrtick_clear(rq);
local_irq_disable();
diff --git a/kernel/sched/deadline.c b/kernel/sched/deadline.c
index 6f377969fa71..aac3539aa0fe 100644
--- a/kernel/sched/deadline.c
+++ b/kernel/sched/deadline.c
@@ -1832,7 +1832,7 @@ static void set_next_task_dl(struct rq *rq, struct task_struct *p, bool first)
if (!first)
return;
- if (hrtick_enabled(rq))
+ if (hrtick_enabled_dl(rq))
start_hrtick_dl(rq, p);
if (rq->curr->sched_class != &dl_sched_class)
@@ -1895,7 +1895,7 @@ static void task_tick_dl(struct rq *rq, struct task_struct *p, int queued)
* not being the leftmost task anymore. In that case NEED_RESCHED will
* be set and schedule() will start a new hrtick for the next task.
*/
- if (hrtick_enabled(rq) && queued && p->dl.runtime > 0 &&
+ if (hrtick_enabled_dl(rq) && queued && p->dl.runtime > 0 &&
is_leftmost(p, &rq->dl))
start_hrtick_dl(rq, p);
}
diff --git a/kernel/sched/fair.c b/kernel/sched/fair.c
index 59b645e3c4fd..8a8bd7b13634 100644
--- a/kernel/sched/fair.c
+++ b/kernel/sched/fair.c
@@ -5429,7 +5429,7 @@ static void hrtick_update(struct rq *rq)
{
struct task_struct *curr = rq->curr;
- if (!hrtick_enabled(rq) || curr->sched_class != &fair_sched_class)
+ if (!hrtick_enabled_fair(rq) || curr->sched_class != &fair_sched_class)
return;
if (cfs_rq_of(&curr->se)->nr_running < sched_nr_latency)
@@ -7116,7 +7116,7 @@ done: __maybe_unused;
list_move(&p->se.group_node, &rq->cfs_tasks);
#endif
- if (hrtick_enabled(rq))
+ if (hrtick_enabled_fair(rq))
hrtick_start_fair(rq, p);
update_misfit_status(p, rq);
diff --git a/kernel/sched/features.h b/kernel/sched/features.h
index e875eabb6600..1bc2b158fc51 100644
--- a/kernel/sched/features.h
+++ b/kernel/sched/features.h
@@ -38,6 +38,7 @@ SCHED_FEAT(CACHE_HOT_BUDDY, true)
SCHED_FEAT(WAKEUP_PREEMPTION, true)
SCHED_FEAT(HRTICK, false)
+SCHED_FEAT(HRTICK_DL, false)
SCHED_FEAT(DOUBLE_TICK, false)
/*
diff --git a/kernel/sched/sched.h b/kernel/sched/sched.h
index 0dfdd52799c7..10a1522b1e30 100644
--- a/kernel/sched/sched.h
+++ b/kernel/sched/sched.h
@@ -2105,17 +2105,39 @@ extern const_debug unsigned int sysctl_sched_migration_cost;
*/
static inline int hrtick_enabled(struct rq *rq)
{
- if (!sched_feat(HRTICK))
- return 0;
if (!cpu_active(cpu_of(rq)))
return 0;
return hrtimer_is_hres_active(&rq->hrtick_timer);
}
+static inline int hrtick_enabled_fair(struct rq *rq)
+{
+ if (!sched_feat(HRTICK))
+ return 0;
+ return hrtick_enabled(rq);
+}
+
+static inline int hrtick_enabled_dl(struct rq *rq)
+{
+ if (!sched_feat(HRTICK_DL))
+ return 0;
+ return hrtick_enabled(rq);
+}
+
void hrtick_start(struct rq *rq, u64 delay);
#else
+static inline int hrtick_enabled_fair(struct rq *rq)
+{
+ return 0;
+}
+
+static inline int hrtick_enabled_dl(struct rq *rq)
+{
+ return 0;
+}
+
static inline int hrtick_enabled(struct rq *rq)
{
return 0;