diff options
| author | Mark Brown <[email protected]> | 2023-07-17 06:12:31 +0100 |
|---|---|---|
| committer | Mark Brown <[email protected]> | 2023-07-17 06:12:31 +0100 |
| commit | 0791faebfe750292a8a842b64795a390ca4a3b51 (patch) | |
| tree | 0e6095a5a0130398b0693bddfdc421c41eebda7c /arch/arm/include/asm/sync_bitops.h | |
| parent | e8bf1741c14eb8e4a4e1364d45aeeab66660ab9b (diff) | |
| parent | fdf0eaf11452d72945af31804e2a1048ee1b574c (diff) | |
ASoC: Merge v6.5-rc2
Get a similar baseline to my other branches, and fixes for people using
the branch.
Diffstat (limited to 'arch/arm/include/asm/sync_bitops.h')
| -rw-r--r-- | arch/arm/include/asm/sync_bitops.h | 29 |
1 files changed, 25 insertions, 4 deletions
diff --git a/arch/arm/include/asm/sync_bitops.h b/arch/arm/include/asm/sync_bitops.h index 6f5d627c44a3..f46b3c570f92 100644 --- a/arch/arm/include/asm/sync_bitops.h +++ b/arch/arm/include/asm/sync_bitops.h @@ -14,14 +14,35 @@ * ops which are SMP safe even on a UP kernel. */ +/* + * Unordered + */ + #define sync_set_bit(nr, p) _set_bit(nr, p) #define sync_clear_bit(nr, p) _clear_bit(nr, p) #define sync_change_bit(nr, p) _change_bit(nr, p) -#define sync_test_and_set_bit(nr, p) _test_and_set_bit(nr, p) -#define sync_test_and_clear_bit(nr, p) _test_and_clear_bit(nr, p) -#define sync_test_and_change_bit(nr, p) _test_and_change_bit(nr, p) #define sync_test_bit(nr, addr) test_bit(nr, addr) -#define arch_sync_cmpxchg arch_cmpxchg +/* + * Fully ordered + */ + +int _sync_test_and_set_bit(int nr, volatile unsigned long * p); +#define sync_test_and_set_bit(nr, p) _sync_test_and_set_bit(nr, p) + +int _sync_test_and_clear_bit(int nr, volatile unsigned long * p); +#define sync_test_and_clear_bit(nr, p) _sync_test_and_clear_bit(nr, p) + +int _sync_test_and_change_bit(int nr, volatile unsigned long * p); +#define sync_test_and_change_bit(nr, p) _sync_test_and_change_bit(nr, p) + +#define arch_sync_cmpxchg(ptr, old, new) \ +({ \ + __typeof__(*(ptr)) __ret; \ + __smp_mb__before_atomic(); \ + __ret = arch_cmpxchg_relaxed((ptr), (old), (new)); \ + __smp_mb__after_atomic(); \ + __ret; \ +}) #endif |