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locking/ww_mutex: Remove the __ww_mutex_lock*() inline wrappers 

Keep the documentation in the header file since there is no good place
for it in mutex.c: there are two rather different implementations with
different EXPORT_SYMBOLs for each function.

Signed-off-by: Nicolai Hähnle <nicolai.haehnle@amd.com>
Signed-off-by: Peter Zijlstra (Intel) <peterz@infradead.org>
Cc: =?UTF-8?q?Nicolai=20H=C3=A4hnle?= <Nicolai.Haehnle@amd.com>
Cc: Andrew Morton <akpm@linux-foundation.org>
Cc: Chris Wilson <chris@chris-wilson.co.uk>
Cc: Daniel Vetter <daniel@ffwll.ch>
Cc: Linus Torvalds <torvalds@linux-foundation.org>
Cc: Maarten Lankhorst <dev@mblankhorst.nl>
Cc: Paul E. McKenney <paulmck@linux.vnet.ibm.com>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: Thomas Gleixner <tglx@linutronix.de>
Cc: dri-devel@lists.freedesktop.org
Link: http://lkml.kernel.org/r/1482346000-9927-6-git-send-email-nhaehnle@gmail.com
Signed-off-by: Ingo Molnar <mingo@kernel.org>
hifive-unleashed-5.1
Nicolai Hähnle 2016-12-21 19:46:33 +01:00 committed by Ingo Molnar
parent ea9e0fb8fe
commit c5470b22d1
2 changed files with 12 additions and 22 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

18
include/linux/ww_mutex.h
View File

@ -186,11 +186,6 @@ static inline void ww_acquire_fini(struct ww_acquire_ctx *ctx)
#endif
}
extern int __must_check __ww_mutex_lock(struct ww_mutex *lock,
struct ww_acquire_ctx *ctx);
extern int __must_check __ww_mutex_lock_interruptible(struct ww_mutex *lock,
struct ww_acquire_ctx *ctx);
/**
* ww_mutex_lock - acquire the w/w mutex
* @lock: the mutex to be acquired
@ -220,10 +215,8 @@ extern int __must_check __ww_mutex_lock_interruptible(struct ww_mutex *lock,
*
* A mutex acquired with this function must be released with ww_mutex_unlock.
*/
static inline int ww_mutex_lock(struct ww_mutex *lock, struct ww_acquire_ctx *ctx)
{
return __ww_mutex_lock(lock, ctx);
}
extern int __must_check ww_mutex_lock(struct ww_mutex *lock,
struct ww_acquire_ctx *ctx);
/**
* ww_mutex_lock_interruptible - acquire the w/w mutex, interruptible
@ -255,11 +248,8 @@ static inline int ww_mutex_lock(struct ww_mutex *lock, struct ww_acquire_ctx *ct
*
* A mutex acquired with this function must be released with ww_mutex_unlock.
*/
static inline int __must_check ww_mutex_lock_interruptible(struct ww_mutex *lock,
struct ww_acquire_ctx *ctx)
{
return __ww_mutex_lock_interruptible(lock, ctx);
}
extern int __must_check ww_mutex_lock_interruptible(struct ww_mutex *lock,
struct ww_acquire_ctx *ctx);
/**
* ww_mutex_lock_slow - slowpath acquiring of the w/w mutex

16
kernel/locking/mutex.c
View File

@ -811,7 +811,7 @@ ww_mutex_deadlock_injection(struct ww_mutex *lock, struct ww_acquire_ctx *ctx)
}
int __sched
__ww_mutex_lock(struct ww_mutex *lock, struct ww_acquire_ctx *ctx)
ww_mutex_lock(struct ww_mutex *lock, struct ww_acquire_ctx *ctx)
{
int ret;
@ -824,10 +824,10 @@ __ww_mutex_lock(struct ww_mutex *lock, struct ww_acquire_ctx *ctx)
return ret;
}
EXPORT_SYMBOL_GPL(__ww_mutex_lock);
EXPORT_SYMBOL_GPL(ww_mutex_lock);
int __sched
__ww_mutex_lock_interruptible(struct ww_mutex *lock, struct ww_acquire_ctx *ctx)
ww_mutex_lock_interruptible(struct ww_mutex *lock, struct ww_acquire_ctx *ctx)
{
int ret;
@ -841,7 +841,7 @@ __ww_mutex_lock_interruptible(struct ww_mutex *lock, struct ww_acquire_ctx *ctx)
return ret;
}
EXPORT_SYMBOL_GPL(__ww_mutex_lock_interruptible);
EXPORT_SYMBOL_GPL(ww_mutex_lock_interruptible);
#endif
@ -1019,7 +1019,7 @@ EXPORT_SYMBOL(mutex_trylock);
#ifndef CONFIG_DEBUG_LOCK_ALLOC
int __sched
__ww_mutex_lock(struct ww_mutex *lock, struct ww_acquire_ctx *ctx)
ww_mutex_lock(struct ww_mutex *lock, struct ww_acquire_ctx *ctx)
{
might_sleep();
@ -1031,10 +1031,10 @@ __ww_mutex_lock(struct ww_mutex *lock, struct ww_acquire_ctx *ctx)
return __ww_mutex_lock_slowpath(lock, ctx);
}
EXPORT_SYMBOL(__ww_mutex_lock);
EXPORT_SYMBOL(ww_mutex_lock);
int __sched
__ww_mutex_lock_interruptible(struct ww_mutex *lock, struct ww_acquire_ctx *ctx)
ww_mutex_lock_interruptible(struct ww_mutex *lock, struct ww_acquire_ctx *ctx)
{
might_sleep();
@ -1046,7 +1046,7 @@ __ww_mutex_lock_interruptible(struct ww_mutex *lock, struct ww_acquire_ctx *ctx)
return __ww_mutex_lock_interruptible_slowpath(lock, ctx);
}
EXPORT_SYMBOL(__ww_mutex_lock_interruptible);
EXPORT_SYMBOL(ww_mutex_lock_interruptible);
#endif