linux-kernel - [tip: sched/urgent] sched/core: s/WF_ON_RQ/WQ_ON

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Message-ID: <159290210469.16989.16510266795734293690.tip-bot2@tip-bot2>
Date:   Tue, 23 Jun 2020 08:48:24 -0000
From:   "tip-bot2 for Peter Zijlstra" <tip-bot2@...utronix.de>
To:     linux-tip-commits@...r.kernel.org
Cc:     "Peter Zijlstra (Intel)" <peterz@...radead.org>,
        Ingo Molnar <mingo@...nel.org>, Mel Gorman <mgorman@...e.de>,
        x86 <x86@...nel.org>, LKML <linux-kernel@...r.kernel.org>
Subject: [tip: sched/urgent] sched/core: s/WF_ON_RQ/WQ_ON_CPU/

The following commit has been merged into the sched/urgent branch of tip:

Commit-ID:     5311fd9f4c49ccc597021d901136fc807c01d678
Gitweb:        https://git.kernel.org/tip/5311fd9f4c49ccc597021d901136fc807c01d678
Author:        Peter Zijlstra <peterz@...radead.org>
AuthorDate:    Mon, 22 Jun 2020 12:01:24 +02:00
Committer:     Ingo Molnar <mingo@...nel.org>
CommitterDate: Tue, 23 Jun 2020 10:42:39 +02:00

sched/core: s/WF_ON_RQ/WQ_ON_CPU/

Use a better name for this poorly named flag, to avoid confusion...

Signed-off-by: Peter Zijlstra (Intel) <peterz@...radead.org>
Signed-off-by: Ingo Molnar <mingo@...nel.org>
Acked-by: Mel Gorman <mgorman@...e.de>
Link: https://lkml.kernel.org/r/20200622100825.785115830@infradead.org
---
 kernel/sched/core.c  | 4 ++--
 kernel/sched/sched.h | 2 +-
 2 files changed, 3 insertions(+), 3 deletions(-)

diff --git a/kernel/sched/core.c b/kernel/sched/core.c
index 60791b9..f778067 100644
--- a/kernel/sched/core.c
+++ b/kernel/sched/core.c
@@ -2376,7 +2376,7 @@ static inline bool ttwu_queue_cond(int cpu, int wake_flags)
 	 * the soon-to-be-idle CPU as the current CPU is likely busy.
 	 * nr_running is checked to avoid unnecessary task stacking.
 	 */
-	if ((wake_flags & WF_ON_RQ) && cpu_rq(cpu)->nr_running <= 1)
+	if ((wake_flags & WF_ON_CPU) && cpu_rq(cpu)->nr_running <= 1)
 		return true;
 
 	return false;
@@ -2636,7 +2636,7 @@ try_to_wake_up(struct task_struct *p, unsigned int state, int wake_flags)
 	 * scheduling.
 	 */
 	if (smp_load_acquire(&p->on_cpu) &&
-	    ttwu_queue_wakelist(p, task_cpu(p), wake_flags | WF_ON_RQ))
+	    ttwu_queue_wakelist(p, task_cpu(p), wake_flags | WF_ON_CPU))
 		goto unlock;
 
 	/*
diff --git a/kernel/sched/sched.h b/kernel/sched/sched.h
index 1d4e94c..877fb08 100644
--- a/kernel/sched/sched.h
+++ b/kernel/sched/sched.h
@@ -1682,7 +1682,7 @@ static inline int task_on_rq_migrating(struct task_struct *p)
 #define WF_SYNC			0x01		/* Waker goes to sleep after wakeup */
 #define WF_FORK			0x02		/* Child wakeup after fork */
 #define WF_MIGRATED		0x04		/* Internal use, task got migrated */
-#define WF_ON_RQ		0x08		/* Wakee is on_rq */
+#define WF_ON_CPU		0x08		/* Wakee is on_cpu */
 
 /*
  * To aid in avoiding the subversion of "niceness" due to uneven distribution