Commit 78515930 authored by Sebastian Andrzej Siewior's avatar Sebastian Andrzej Siewior Committed by Ingo Molnar
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locking/rtmutex: Convert macros to inlines 



Inlines are type-safe...

Signed-off-by: default avatarSebastian Andrzej Siewior <bigeasy@linutronix.de>
Signed-off-by: default avatarThomas Gleixner <tglx@linutronix.de>
Signed-off-by: default avatarPeter Zijlstra (Intel) <peterz@infradead.org>
Signed-off-by: default avatarIngo Molnar <mingo@kernel.org>
Link: https://lore.kernel.org/r/20210815211302.610830960@linutronix.de
parent f07ec522

kernel/locking/rtmutex.c

+27 −4
Original line number Diff line number Diff line
@@ -141,8 +141,19 @@ static __always_inline void fixup_rt_mutex_waiters(struct rt_mutex *lock) 
 * set up.

 */

#ifndef CONFIG_DEBUG_RT_MUTEXES

# define rt_mutex_cmpxchg_acquire(l,c,n) (cmpxchg_acquire(&l->owner, c, n) == c)

# define rt_mutex_cmpxchg_release(l,c,n) (cmpxchg_release(&l->owner, c, n) == c)

static __always_inline bool rt_mutex_cmpxchg_acquire(struct rt_mutex *lock,

						     struct task_struct *old,

						     struct task_struct *new)

{

	return cmpxchg_acquire(&lock->owner, old, new) == old;

}



static __always_inline bool rt_mutex_cmpxchg_release(struct rt_mutex *lock,

						     struct task_struct *old,

						     struct task_struct *new)

{

	return cmpxchg_release(&lock->owner, old, new) == old;

}



/*

 * Callers must hold the ->wait_lock -- which is the whole purpose as we force
@@ -201,8 +212,20 @@ static __always_inline bool unlock_rt_mutex_safe(struct rt_mutex *lock, 
}



#else

# define rt_mutex_cmpxchg_acquire(l,c,n)	(0)

# define rt_mutex_cmpxchg_release(l,c,n)	(0)

static __always_inline bool rt_mutex_cmpxchg_acquire(struct rt_mutex *lock,

						     struct task_struct *old,

						     struct task_struct *new)

{

	return false;



}



static __always_inline bool rt_mutex_cmpxchg_release(struct rt_mutex *lock,

						     struct task_struct *old,

						     struct task_struct *new)

{

	return false;

}



static __always_inline void mark_rt_mutex_waiters(struct rt_mutex *lock)

{