Commit 43d2d52d authored by Thomas Gleixner's avatar Thomas Gleixner Committed by Ingo Molnar
Browse files

locking/mutex: Move the 'struct mutex_waiter' definition from <linux/mutex.h>... 


locking/mutex: Move the 'struct mutex_waiter' definition from <linux/mutex.h> to the internal header

Move the mutex waiter declaration from the public <linux/mutex.h> header
to the internal kernel/locking/mutex.h header.

There is no reason to expose it outside of the core code.

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/20210815211304.054325923@linutronix.de
parent a321fb90

include/linux/mutex.h

+0 −13
Original line number Diff line number Diff line
@@ -74,19 +74,6 @@ struct ww_mutex { 
#endif

};



/*

 * This is the control structure for tasks blocked on mutex,

 * which resides on the blocked task's kernel stack:

 */

struct mutex_waiter {

	struct list_head	list;

	struct task_struct	*task;

	struct ww_acquire_ctx	*ww_ctx;

#ifdef CONFIG_DEBUG_MUTEXES

	void			*magic;

#endif

};



#ifdef CONFIG_DEBUG_MUTEXES



#define __DEBUG_MUTEX_INITIALIZER(lockname)				\

kernel/locking/mutex.h

+13 −0
Original line number Diff line number Diff line
@@ -7,6 +7,19 @@ 
 *  Copyright (C) 2004, 2005, 2006 Red Hat, Inc., Ingo Molnar <mingo@redhat.com>

 */



/*

 * This is the control structure for tasks blocked on mutex, which resides

 * on the blocked task's kernel stack:

 */

struct mutex_waiter {

	struct list_head	list;

	struct task_struct	*task;

	struct ww_acquire_ctx	*ww_ctx;

#ifdef CONFIG_DEBUG_MUTEXES

	void			*magic;

#endif

};



#ifdef CONFIG_DEBUG_MUTEXES

extern void debug_mutex_lock_common(struct mutex *lock,

				    struct mutex_waiter *waiter);