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Message-ID: <20250528080924.2273858-15-mingo@kernel.org>
Date: Wed, 28 May 2025 10:08:55 +0200
From: Ingo Molnar <mingo@...nel.org>
To: linux-kernel@...r.kernel.org
Cc: Dietmar Eggemann <dietmar.eggemann@....com>,
Linus Torvalds <torvalds@...ux-foundation.org>,
Peter Zijlstra <peterz@...radead.org>,
Shrikanth Hegde <sshegde@...ux.ibm.com>,
Thomas Gleixner <tglx@...utronix.de>,
Valentin Schneider <vschneid@...hat.com>,
Steven Rostedt <rostedt@...dmis.org>,
Mel Gorman <mgorman@...e.de>,
Vincent Guittot <vincent.guittot@...aro.org>,
Sebastian Andrzej Siewior <bigeasy@...utronix.de>,
Ingo Molnar <mingo@...nel.org>,
Juri Lelli <juri.lelli@...hat.com>
Subject: [PATCH 14/43] sched: Clean up and standardize #if/#else/#endif markers in sched/rt.c
- Use the standard #ifdef marker format for larger blocks,
where appropriate:
#if CONFIG_FOO
...
#else /* !CONFIG_FOO: */
...
#endif /* !CONFIG_FOO */
- Fix whitespace noise and other inconsistencies.
Signed-off-by: Ingo Molnar <mingo@...nel.org>
Cc: Dietmar Eggemann <dietmar.eggemann@....com>
Cc: Juri Lelli <juri.lelli@...hat.com>
Cc: Linus Torvalds <torvalds@...ux-foundation.org>
Cc: Mel Gorman <mgorman@...e.de>
Cc: Peter Zijlstra <peterz@...radead.org>
Cc: Shrikanth Hegde <sshegde@...ux.ibm.com>
Cc: Steven Rostedt <rostedt@...dmis.org>
Cc: Valentin Schneider <vschneid@...hat.com>
Cc: Vincent Guittot <vincent.guittot@...aro.org>
---
kernel/sched/rt.c | 54 +++++++++++++++++++++++++++---------------------------
1 file changed, 27 insertions(+), 27 deletions(-)
diff --git a/kernel/sched/rt.c b/kernel/sched/rt.c
index e40422c37033..85768c81531c 100644
--- a/kernel/sched/rt.c
+++ b/kernel/sched/rt.c
@@ -60,7 +60,7 @@ static int __init sched_rt_sysctl_init(void)
return 0;
}
late_initcall(sched_rt_sysctl_init);
-#endif
+#endif /* CONFIG_SYSCTL */
void init_rt_rq(struct rt_rq *rt_rq)
{
@@ -291,7 +291,7 @@ int alloc_rt_sched_group(struct task_group *tg, struct task_group *parent)
return 0;
}
-#else /* CONFIG_RT_GROUP_SCHED */
+#else /* !CONFIG_RT_GROUP_SCHED: */
#define rt_entity_is_task(rt_se) (1)
@@ -327,7 +327,7 @@ int alloc_rt_sched_group(struct task_group *tg, struct task_group *parent)
{
return 1;
}
-#endif /* CONFIG_RT_GROUP_SCHED */
+#endif /* !CONFIG_RT_GROUP_SCHED */
#ifdef CONFIG_SMP
@@ -430,7 +430,7 @@ static void dequeue_pushable_task(struct rq *rq, struct task_struct *p)
}
}
-#else
+#else /* !CONFIG_SMP: */
static inline void enqueue_pushable_task(struct rq *rq, struct task_struct *p)
{
@@ -443,7 +443,7 @@ static inline void dequeue_pushable_task(struct rq *rq, struct task_struct *p)
static inline void rt_queue_push_tasks(struct rq *rq)
{
}
-#endif /* CONFIG_SMP */
+#endif /* !CONFIG_SMP */
static void enqueue_top_rt_rq(struct rt_rq *rt_rq);
static void dequeue_top_rt_rq(struct rt_rq *rt_rq, unsigned int count);
@@ -485,12 +485,12 @@ static inline bool rt_task_fits_capacity(struct task_struct *p, int cpu)
return cpu_cap >= min(min_cap, max_cap);
}
-#else
+#else /* !CONFIG_UCLAMP_TASK: */
static inline bool rt_task_fits_capacity(struct task_struct *p, int cpu)
{
return true;
}
-#endif
+#endif /* !CONFIG_UCLAMP_TASK */
#ifdef CONFIG_RT_GROUP_SCHED
@@ -798,9 +798,9 @@ static void balance_runtime(struct rt_rq *rt_rq)
raw_spin_lock(&rt_rq->rt_runtime_lock);
}
}
-#else /* !CONFIG_SMP */
+#else /* !CONFIG_SMP: */
static inline void balance_runtime(struct rt_rq *rt_rq) {}
-#endif /* CONFIG_SMP */
+#endif /* !CONFIG_SMP */
static int do_sched_rt_period_timer(struct rt_bandwidth *rt_b, int overrun)
{
@@ -930,7 +930,7 @@ static int sched_rt_runtime_exceeded(struct rt_rq *rt_rq)
return 0;
}
-#else /* !CONFIG_RT_GROUP_SCHED */
+#else /* !CONFIG_RT_GROUP_SCHED: */
typedef struct rt_rq *rt_rq_iter_t;
@@ -982,7 +982,7 @@ static void __enable_runtime(struct rq *rq) { }
static void __disable_runtime(struct rq *rq) { }
#endif
-#endif /* CONFIG_RT_GROUP_SCHED */
+#endif /* !CONFIG_RT_GROUP_SCHED */
static inline int rt_se_prio(struct sched_rt_entity *rt_se)
{
@@ -1033,7 +1033,7 @@ static void update_curr_rt(struct rq *rq)
do_start_rt_bandwidth(sched_rt_bandwidth(rt_rq));
}
}
-#endif
+#endif /* CONFIG_RT_GROUP_SCHED */
}
static void
@@ -1107,14 +1107,14 @@ dec_rt_prio_smp(struct rt_rq *rt_rq, int prio, int prev_prio)
cpupri_set(&rq->rd->cpupri, rq->cpu, rt_rq->highest_prio.curr);
}
-#else /* CONFIG_SMP */
+#else /* !CONFIG_SMP: */
static inline
void inc_rt_prio_smp(struct rt_rq *rt_rq, int prio, int prev_prio) {}
static inline
void dec_rt_prio_smp(struct rt_rq *rt_rq, int prio, int prev_prio) {}
-#endif /* CONFIG_SMP */
+#endif /* !CONFIG_SMP */
#if defined CONFIG_SMP || defined CONFIG_RT_GROUP_SCHED
static void
@@ -1155,12 +1155,12 @@ dec_rt_prio(struct rt_rq *rt_rq, int prio)
dec_rt_prio_smp(rt_rq, prio, prev_prio);
}
-#else
+#else /* !(CONFIG_SMP || CONFIG_RT_GROUP_SCHED): */
static inline void inc_rt_prio(struct rt_rq *rt_rq, int prio) {}
static inline void dec_rt_prio(struct rt_rq *rt_rq, int prio) {}
-#endif /* CONFIG_SMP || CONFIG_RT_GROUP_SCHED */
+#endif /* !(CONFIG_SMP || CONFIG_RT_GROUP_SCHED) */
#ifdef CONFIG_RT_GROUP_SCHED
@@ -1182,7 +1182,7 @@ dec_rt_group(struct sched_rt_entity *rt_se, struct rt_rq *rt_rq)
WARN_ON(!rt_rq->rt_nr_running && rt_rq->rt_nr_boosted);
}
-#else /* CONFIG_RT_GROUP_SCHED */
+#else /* !CONFIG_RT_GROUP_SCHED: */
static void
inc_rt_group(struct sched_rt_entity *rt_se, struct rt_rq *rt_rq)
@@ -1192,7 +1192,7 @@ inc_rt_group(struct sched_rt_entity *rt_se, struct rt_rq *rt_rq)
static inline
void dec_rt_group(struct sched_rt_entity *rt_se, struct rt_rq *rt_rq) {}
-#endif /* CONFIG_RT_GROUP_SCHED */
+#endif /* !CONFIG_RT_GROUP_SCHED */
static inline
unsigned int rt_se_nr_running(struct sched_rt_entity *rt_se)
@@ -1682,7 +1682,7 @@ static void wakeup_preempt_rt(struct rq *rq, struct task_struct *p, int flags)
*/
if (p->prio == donor->prio && !test_tsk_need_resched(rq->curr))
check_preempt_equal_prio(rq, p);
-#endif
+#endif /* CONFIG_SMP */
}
static inline void set_next_task_rt(struct rq *rq, struct task_struct *p, bool first)
@@ -2509,11 +2509,11 @@ prio_changed_rt(struct rq *rq, struct task_struct *p, int oldprio)
*/
if (p->prio > rq->rt.highest_prio.curr)
resched_curr(rq);
-#else
+#else /* !CONFIG_SMP: */
/* For UP simply resched on drop of prio */
if (oldprio < p->prio)
resched_curr(rq);
-#endif /* CONFIG_SMP */
+#endif /* !CONFIG_SMP */
} else {
/*
* This task is not running, but if it is
@@ -2549,9 +2549,9 @@ static void watchdog(struct rq *rq, struct task_struct *p)
}
}
}
-#else
+#else /* !CONFIG_POSIX_TIMERS: */
static inline void watchdog(struct rq *rq, struct task_struct *p) { }
-#endif
+#endif /* !CONFIG_POSIX_TIMERS */
/*
* scheduler tick hitting a task of our scheduling class.
@@ -2620,7 +2620,7 @@ static int task_is_throttled_rt(struct task_struct *p, int cpu)
return rt_rq_throttled(rt_rq);
}
-#endif
+#endif /* CONFIG_SCHED_CORE */
DEFINE_SCHED_CLASS(rt) = {
@@ -2643,7 +2643,7 @@ DEFINE_SCHED_CLASS(rt) = {
.task_woken = task_woken_rt,
.switched_from = switched_from_rt,
.find_lock_rq = find_lock_lowest_rq,
-#endif
+#endif /* !CONFIG_SMP */
.task_tick = task_tick_rt,
@@ -2887,7 +2887,7 @@ int sched_rt_can_attach(struct task_group *tg, struct task_struct *tsk)
return 1;
}
-#else /* !CONFIG_RT_GROUP_SCHED */
+#else /* !CONFIG_RT_GROUP_SCHED: */
#ifdef CONFIG_SYSCTL
static int sched_rt_global_constraints(void)
@@ -2895,7 +2895,7 @@ static int sched_rt_global_constraints(void)
return 0;
}
#endif /* CONFIG_SYSCTL */
-#endif /* CONFIG_RT_GROUP_SCHED */
+#endif /* !CONFIG_RT_GROUP_SCHED */
#ifdef CONFIG_SYSCTL
static int sched_rt_global_validate(void)
--
2.45.2
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