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| author | Sebastian Andrzej Siewior <bigeasy@linutronix.de> | 2021-08-15 23:27:54 +0200 |
|---|---|---|
| committer | Ingo Molnar <mingo@kernel.org> | 2021-08-17 17:00:48 +0200 |
| commit | 785159301bedea25fae9b20cae3d12377246e941 (patch) | |
| tree | bfb6e0e4f0f08d2b51c055fb4e0908b7b4e3d2d1 /kernel/locking/rtmutex.c | |
| parent | locking/rtmutex: Remove rt_mutex_is_locked() (diff) | |
| download | linux-785159301bedea25fae9b20cae3d12377246e941.tar.xz linux-785159301bedea25fae9b20cae3d12377246e941.zip | |
locking/rtmutex: Convert macros to inlines
Inlines are type-safe...
Signed-off-by: Sebastian Andrzej Siewior <bigeasy@linutronix.de>
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Signed-off-by: Peter Zijlstra (Intel) <peterz@infradead.org>
Signed-off-by: Ingo Molnar <mingo@kernel.org>
Link: https://lore.kernel.org/r/20210815211302.610830960@linutronix.de
Diffstat (limited to 'kernel/locking/rtmutex.c')
| -rw-r--r-- | kernel/locking/rtmutex.c | 31 |
1 files changed, 27 insertions, 4 deletions
diff --git a/kernel/locking/rtmutex.c b/kernel/locking/rtmutex.c index 1a7e3f838077..5187added8bc 100644 --- a/kernel/locking/rtmutex.c +++ b/kernel/locking/rtmutex.c @@ -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) { |