diff options
| -rw-r--r-- | sys/dev/drm2/drm_atomic.h | 8 |
1 files changed, 3 insertions, 5 deletions
diff --git a/sys/dev/drm2/drm_atomic.h b/sys/dev/drm2/drm_atomic.h index b901341..b4ef0fb 100644 --- a/sys/dev/drm2/drm_atomic.h +++ b/sys/dev/drm2/drm_atomic.h @@ -37,8 +37,8 @@ typedef uint64_t atomic64_t; #define BITS_TO_LONGS(x) howmany(x, sizeof(long) * NBBY) -#define atomic_set(p, v) atomic_store_rel_int(p, v) -#define atomic_read(p) atomic_load_acq_int(p) +#define atomic_read(p) (*(volatile u_int *)(p)) +#define atomic_set(p, v) do { *(u_int *)(p) = (v); } while (0) #define atomic_add(v, p) atomic_add_int(p, v) #define atomic_sub(v, p) atomic_subtract_int(p, v) @@ -63,9 +63,7 @@ typedef uint64_t atomic64_t; #define set_bit(b, p) \ atomic_set_int((volatile u_int *)(p) + (b) / 32, 1 << (b) % 32) #define test_bit(b, p) \ - (atomic_load_acq_int((volatile u_int *)(p) + (b) / 32) & (1 << (b) % 32)) -#define test_and_set_bit(b, p) \ - atomic_testandset_int((volatile u_int *)(p) + (b) / 32, b) + ((atomic_read((volatile u_int *)(p) + (b) / 32) & (1 << (b) % 32)) != 0) static __inline int find_first_zero_bit(volatile void *p, int max) |
