task: refactor sched_{en,de}queue to task_...

No functional change yet. Use this chance to hide dequeuing. No need to
export it.

Signed-off-by: Ralf Ramsauer <[email protected]>

Author: rralf

arch/riscv/vmm/vmm.c

@@ -500,7 +500,7 @@ SYSCALL_DEF0(grinch_create_grinch_vm)
 
 	task->regs.pc = VM_GPHYS_BASE;
 	task->state = TASK_RUNNABLE;
-	sched_enqueue(task);
+	task_enqueue(task);
 
 	return task->pid;
 }

include/grinch/task.h

@@ -147,8 +147,8 @@ void arch_vmachine_restore(struct vmachine *vm);
 int task_init(void);
 
 void prepare_user_return(void);
-void sched_enqueue(struct task *task);
-void sched_dequeue(struct task *task);
+
+void task_enqueue(struct task *task);
 
 /* invoke scheduler on all CPUs */
 void sched_all(void);

kernel/main.c

@@ -125,7 +125,7 @@ static int __init init(void)
 
 	init_task = task;
 
-	sched_enqueue(task);
+	task_enqueue(task);
 
 	return 0;
 

kernel/task.c

@@ -33,14 +33,14 @@ static DEFINE_SPINLOCK(task_lock);
 
 static atomic_t next_pid = ATOMIC_INIT(1);
 
-void sched_dequeue(struct task *task)
+static void task_dequeue(struct task *task)
 {
 	spin_lock(&task_lock);
 	list_del(&task->tasks);
 	spin_unlock(&task_lock);
 }
 
-void sched_enqueue(struct task *task)
+void task_enqueue(struct task *task)
 {
 	spin_lock(&task_lock);
 	list_add(&task->tasks, &task_list);
@@ -190,7 +190,7 @@ void task_exit(struct task *task, int code)
 	 * scheduler list
 	 */
 	if (!list_empty(&task->tasks))
-		sched_dequeue(task);
+		task_dequeue(task);
 
 	/* Take the parent's lock first to prevent deadlock situations */
 	spin_lock(&parent->lock);
@@ -465,7 +465,7 @@ SYSCALL_DEF0(fork)
 	spin_unlock(&this->lock);
 	spin_unlock(&new->lock);
 
-	sched_enqueue(new);
+	task_enqueue(new);
 	sched_all();
 
 	return new->pid;