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sched: Use task_current() instead of 'rq->curr == p'

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Use the task_current() function where appropriate.

No functional change.

Signed-off-by: Hui Su <sh_def@163.com>
Signed-off-by: Peter Zijlstra (Intel) <peterz@infradead.org>
Reviewed-by: Steven Rostedt (VMware) <rostedt@goodmis.org>
Link: https://lkml.kernel.org/r/20201030173223.GA52339@rlk
This commit is contained in:
Hui Su 2020-10-31 01:32:23 +08:00 committed by Peter Zijlstra
parent e9b9734b74
commit 65bcf072e2
4 changed files with 6 additions and 6 deletions
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2
kernel/sched/deadline.c
View File

@ -2514,7 +2514,7 @@ static void switched_to_dl(struct rq *rq, struct task_struct *p)
static void prio_changed_dl(struct rq *rq, struct task_struct *p,
int oldprio)
{
if (task_on_rq_queued(p) || rq->curr == p) {
if (task_on_rq_queued(p) || task_current(rq, p)) {
#ifdef CONFIG_SMP
/*
* This might be too much, but unfortunately

2
kernel/sched/debug.c
View File

@ -486,7 +486,7 @@ static char *task_group_path(struct task_group *tg)
static void
print_task(struct seq_file *m, struct rq *rq, struct task_struct *p)
{
if (rq->curr == p)
if (task_current(rq, p))
SEQ_printf(m, ">R");
else
SEQ_printf(m, " %c", task_state_to_char(p));

6
kernel/sched/fair.c
View File

@ -5430,7 +5430,7 @@ static void hrtick_start_fair(struct rq *rq, struct task_struct *p)
s64 delta = slice - ran;
if (delta < 0) {
if (rq->curr == p)
if (task_current(rq, p))
resched_curr(rq);
return;
}
@ -10829,7 +10829,7 @@ prio_changed_fair(struct rq *rq, struct task_struct *p, int oldprio)
* our priority decreased, or if we are not currently running on
* this runqueue and our priority is higher than the current's
*/
if (rq->curr == p) {
if (task_current(rq, p)) {
if (p->prio > oldprio)
resched_curr(rq);
} else
@ -10962,7 +10962,7 @@ static void switched_to_fair(struct rq *rq, struct task_struct *p)
* kick off the schedule if running, otherwise just see
* if we can still preempt the current task.
*/
if (rq->curr == p)
if (task_current(rq, p))
resched_curr(rq);
else
check_preempt_curr(rq, p, 0);

2
kernel/sched/rt.c
View File

@ -2357,7 +2357,7 @@ prio_changed_rt(struct rq *rq, struct task_struct *p, int oldprio)
if (!task_on_rq_queued(p))
return;
if (rq->curr == p) {
if (task_current(rq, p)) {
#ifdef CONFIG_SMP
/*
* If our priority decreases while running, we