diff options
Diffstat (limited to 'sys/dev/pci/drm')
| -rw-r--r-- | sys/dev/pci/drm/include/linux/atomic.h | 14 |
1 files changed, 7 insertions, 7 deletions
diff --git a/sys/dev/pci/drm/include/linux/atomic.h b/sys/dev/pci/drm/include/linux/atomic.h index 64405197a74..4050fdf8fa9 100644 --- a/sys/dev/pci/drm/include/linux/atomic.h +++ b/sys/dev/pci/drm/include/linux/atomic.h @@ -1,4 +1,4 @@ -/* $OpenBSD: atomic.h,v 1.17 2022/01/14 06:53:14 jsg Exp $ */ +/* $OpenBSD: atomic.h,v 1.18 2022/01/14 15:00:16 kettenis Exp $ */ /** * \file drm_atomic.h * Atomic operations used in the DRM which may or may not be provided by the OS. @@ -139,6 +139,12 @@ atomic64_xchg(volatile int64_t *v, int64_t n) return __sync_lock_test_and_set(v, n); } +static inline int64_t +atomic64_cmpxchg(volatile int64_t *v, int64_t o, int64_t n) +{ + return __sync_val_compare_and_swap(v, o, n); +} + #define atomic64_add(n, p) __sync_fetch_and_add_8(p, n) #define atomic64_sub(n, p) __sync_fetch_and_sub_8(p, n) #define atomic64_inc(p) __sync_fetch_and_add_8(p, 1) @@ -222,12 +228,6 @@ atomic64_sub(int i, atomic64_t *v) } #endif -static inline int64_t -atomic64_cmpxchg(atomic64_t *p, int64_t o, int64_t n) -{ - return atomic_cmpxchg(p, o, n); -} - #ifdef __LP64__ typedef int64_t atomic_long_t; #define atomic_long_set(p, v) atomic64_set(p, v) |