linux-kernel - [PATCH 2/2] locking/mutex: Use mutex flags macro instead of hard code value

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Date:   Mon, 29 Jul 2019 16:22:58 +0530
From:   Mukesh Ojha <mojha@...eaurora.org>
To:     peterz@...radead.org, mingo@...hat.com, will@...nel.org,
        linux-kernel@...r.kernel.org
Cc:     Mukesh Ojha <mojha@...eaurora.org>
Subject: [PATCH 2/2] locking/mutex: Use mutex flags macro instead of hard code value

Let's use the mutex flag macro(which got moved from mutex.c
to linux/mutex.h in the last patch) instead of hard code
value which was used in __mutex_owner().

Signed-off-by: Mukesh Ojha <mojha@...eaurora.org>
---
 include/linux/mutex.h | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/include/linux/mutex.h b/include/linux/mutex.h
index 79b28be..c3833ba 100644
--- a/include/linux/mutex.h
+++ b/include/linux/mutex.h
@@ -87,7 +87,7 @@ struct mutex {
  */
 static inline struct task_struct *__mutex_owner(struct mutex *lock)
 {
-	return (struct task_struct *)(atomic_long_read(&lock->owner) & ~0x07);
+	return (struct task_struct *)(atomic_long_read(&lock->owner) & ~MUTEX_FLAGS);
 }
 
 /*
-- 
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