korg/linux
0
0
Fork 0
mirror of https://mirrors.bfsu.edu.cn/git/linux.git synced 2024-11-24 12:44:11 +08:00
Code Issues Packages Projects Releases Wiki Activity

locking/rtmutex: Convert macros to inlines

Browse Source 
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
This commit is contained in:
Sebastian Andrzej Siewior 2021-08-15 23:27:54 +02:00 committed by Ingo Molnar
parent f07ec52202
commit 785159301b
1 changed files with 27 additions and 4 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

31
kernel/locking/rtmutex.c
View File

@ -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)
{