diff options
| author |   Peter Zijlstra <peterz@infradead.org> | 2019-08-08 08:47:14 +0200 |
|---|---|---|
| committer | Peter Zijlstra <peterz@infradead.org> | 2019-08-08 09:09:25 +0200 |
| commit | e57d143091f1c0b1a98140a4d2e63e113afb62c0 (patch) | |
| tree | 1100b05a0b77cb5f9b91baa2b412b6940076b106 | |
| parent | locking/mutex: Use mutex flags macro instead of hard code (diff) | |
| download | linux-dev-e57d143091f1c0b1a98140a4d2e63e113afb62c0.tar.xz linux-dev-e57d143091f1c0b1a98140a4d2e63e113afb62c0.zip | |
mutex: Fix up mutex_waiter usage
The patch moving bits into mutex.c was a little too much; by also
moving struct mutex_waiter a few less common CONFIGs would no longer
build.
Fixes: 5f35d5a66b3e ("locking/mutex: Make __mutex_owner static to mutex.c")
Signed-off-by: Peter Zijlstra (Intel) <peterz@infradead.org>
| -rw-r--r-- | include/linux/mutex.h | 13 | ||||
| -rw-r--r-- | kernel/locking/mutex.c | 13 | ||||
| -rw-r--r-- | kernel/locking/mutex.h | 2 |
3 files changed, 13 insertions, 15 deletions
diff --git a/include/linux/mutex.h b/include/linux/mutex.h index eb8c62aba263..aca8f36dfac9 100644 --- a/include/linux/mutex.h +++ b/include/linux/mutex.h @@ -65,6 +65,19 @@ struct 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) \ diff --git a/kernel/locking/mutex.c b/kernel/locking/mutex.c index b4bcb0236d7a..468a9b8422e3 100644 --- a/kernel/locking/mutex.c +++ b/kernel/locking/mutex.c @@ -36,19 +36,6 @@ # include "mutex.h" #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 -}; - void __mutex_init(struct mutex *lock, const char *name, struct lock_class_key *key) { diff --git a/kernel/locking/mutex.h b/kernel/locking/mutex.h index 7cde5c6d414e..1c2287d3fa71 100644 --- a/kernel/locking/mutex.h +++ b/kernel/locking/mutex.h @@ -19,8 +19,6 @@ #define debug_mutex_unlock(lock) do { } while (0) #define debug_mutex_init(lock, name, key) do { } while (0) -struct mutex_waiter; - static inline void debug_mutex_lock_common(struct mutex *lock, struct mutex_waiter *waiter) { |