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| author | Thomas Hellström <thomas.hellstrom@linux.intel.com> | 2025-10-14 12:31:49 +0300 |
|---|---|---|
| committer | Thomas Hellström <thomas.hellstrom@linux.intel.com> | 2025-10-14 12:31:49 +0300 |
| commit | 82ee50252dc891e3f3b32d923bb4f656d300b772 (patch) | |
| tree | e11def3168fbcd98f8510ba1c474f285dbb7383e /include/linux/rtmutex.h | |
| parent | dd83b101a4a65c212bacc52dea3b0b7131a2e88a (diff) | |
| parent | 3a8660878839faadb4f1a6dd72c3179c1df56787 (diff) | |
| download | linux-82ee50252dc891e3f3b32d923bb4f656d300b772.tar.xz | |
Merge drm/drm-next into drm-xe-next
Backmerging to bring in 6.18-rc1.
Signed-off-by: Thomas Hellström <thomas.hellstrom@linux.intel.com>
Diffstat (limited to 'include/linux/rtmutex.h')
| -rw-r--r-- | include/linux/rtmutex.h | 10 |
1 files changed, 10 insertions, 0 deletions
diff --git a/include/linux/rtmutex.h b/include/linux/rtmutex.h index fa9f1021541e..ede4c6bf6f22 100644 --- a/include/linux/rtmutex.h +++ b/include/linux/rtmutex.h @@ -44,6 +44,16 @@ static inline bool rt_mutex_base_is_locked(struct rt_mutex_base *lock) return READ_ONCE(lock->owner) != NULL; } +#ifdef CONFIG_RT_MUTEXES +#define RT_MUTEX_HAS_WAITERS 1UL + +static inline struct task_struct *rt_mutex_owner(struct rt_mutex_base *lock) +{ + unsigned long owner = (unsigned long) READ_ONCE(lock->owner); + + return (struct task_struct *) (owner & ~RT_MUTEX_HAS_WAITERS); +} +#endif extern void rt_mutex_base_init(struct rt_mutex_base *rtb); /** |