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From: tip-bot for Thomas Gleixner <tipbot@zytor.com>
To: linux-tip-commits@vger.kernel.org
Cc: peterz@infradead.org, efault@gmx.de, mingo@kernel.org,
	linux-kernel@vger.kernel.org, tglx@linutronix.de, hpa@zytor.com,
	torvalds@linux-foundation.org, bigeasy@linutronix.de
Subject: [tip:sched/core] sched/core: Use tsk_cpus_allowed() instead of accessing ->cpus_allowed
Date: Thu, 12 May 2016 03:32:40 -0700	[thread overview]
Message-ID: <tip-ade42e092b5d1fb9a77b026f019b9953d66f1573@git.kernel.org> (raw)
In-Reply-To: <1462969411-17735-1-git-send-email-bigeasy@linutronix.de>

Commit-ID:  ade42e092b5d1fb9a77b026f019b9953d66f1573
Gitweb:     http://git.kernel.org/tip/ade42e092b5d1fb9a77b026f019b9953d66f1573
Author:     Thomas Gleixner <tglx@linutronix.de>
AuthorDate: Wed, 11 May 2016 14:23:30 +0200
Committer:  Ingo Molnar <mingo@kernel.org>
CommitDate: Thu, 12 May 2016 09:55:35 +0200

sched/core: Use tsk_cpus_allowed() instead of accessing ->cpus_allowed

Use the future-safe accessor for struct task_struct's.

Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Signed-off-by: Sebastian Andrzej Siewior <bigeasy@linutronix.de>
Signed-off-by: Peter Zijlstra (Intel) <peterz@infradead.org>
Cc: Linus Torvalds <torvalds@linux-foundation.org>
Cc: Mike Galbraith <efault@gmx.de>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: linux-kernel@vger.kernel.org
Link: http://lkml.kernel.org/r/1462969411-17735-1-git-send-email-bigeasy@linutronix.de
Signed-off-by: Ingo Molnar <mingo@kernel.org>
---
 kernel/sched/cpudeadline.c | 4 ++--
 kernel/sched/cpupri.c      | 4 ++--
 kernel/sched/deadline.c    | 2 +-
 3 files changed, 5 insertions(+), 5 deletions(-)

diff --git a/kernel/sched/cpudeadline.c b/kernel/sched/cpudeadline.c
index 5a75b08..5be5882 100644
--- a/kernel/sched/cpudeadline.c
+++ b/kernel/sched/cpudeadline.c
@@ -103,10 +103,10 @@ int cpudl_find(struct cpudl *cp, struct task_struct *p,
 	const struct sched_dl_entity *dl_se = &p->dl;
 
 	if (later_mask &&
-	    cpumask_and(later_mask, cp->free_cpus, &p->cpus_allowed)) {
+	    cpumask_and(later_mask, cp->free_cpus, tsk_cpus_allowed(p))) {
 		best_cpu = cpumask_any(later_mask);
 		goto out;
-	} else if (cpumask_test_cpu(cpudl_maximum(cp), &p->cpus_allowed) &&
+	} else if (cpumask_test_cpu(cpudl_maximum(cp), tsk_cpus_allowed(p)) &&
 			dl_time_before(dl_se->deadline, cp->elements[0].dl)) {
 		best_cpu = cpudl_maximum(cp);
 		if (later_mask)
diff --git a/kernel/sched/cpupri.c b/kernel/sched/cpupri.c
index 981fcd7..11e9705 100644
--- a/kernel/sched/cpupri.c
+++ b/kernel/sched/cpupri.c
@@ -103,11 +103,11 @@ int cpupri_find(struct cpupri *cp, struct task_struct *p,
 		if (skip)
 			continue;
 
-		if (cpumask_any_and(&p->cpus_allowed, vec->mask) >= nr_cpu_ids)
+		if (cpumask_any_and(tsk_cpus_allowed(p), vec->mask) >= nr_cpu_ids)
 			continue;
 
 		if (lowest_mask) {
-			cpumask_and(lowest_mask, &p->cpus_allowed, vec->mask);
+			cpumask_and(lowest_mask, tsk_cpus_allowed(p), vec->mask);
 
 			/*
 			 * We have to ensure that we have at least one bit
diff --git a/kernel/sched/deadline.c b/kernel/sched/deadline.c
index 0ac6c84..4c9b4ee 100644
--- a/kernel/sched/deadline.c
+++ b/kernel/sched/deadline.c
@@ -1393,7 +1393,7 @@ static struct rq *find_lock_later_rq(struct task_struct *task, struct rq *rq)
 		if (double_lock_balance(rq, later_rq)) {
 			if (unlikely(task_rq(task) != rq ||
 				     !cpumask_test_cpu(later_rq->cpu,
-				                       &task->cpus_allowed) ||
+						       tsk_cpus_allowed(task)) ||
 				     task_running(rq, task) ||
 				     !dl_task(task) ||
 				     !task_on_rq_queued(task))) {

      parent reply	other threads:[~2016-05-12 10:33 UTC|newest]

Thread overview: 4+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2016-05-11 12:23 [PATCH 1/2] sched: use tsk_cpus_allowed() instead of accessing ->cpus_allowed Sebastian Andrzej Siewior
2016-05-11 12:23 ` [PATCH 2/2] sched: provide a tsk_nr_cpus_allowed() helper Sebastian Andrzej Siewior
2016-05-12 10:33   ` [tip:sched/core] sched/core: Provide " tip-bot for Thomas Gleixner
2016-05-12 10:32 ` tip-bot for Thomas Gleixner [this message]

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