atomic_add_negative() does not provide the relaxed/acquire/release variants. Provide them in preparation for a new scalable reference count algorithm.
Showing the changes to scripts (2 of 5 files). Show all
Unified · Split
| @@ -33,7 +33,7 @@ try_cmpxchg B v p:old i:new · 32 unmodified lines | |||
| 33 | sub_and_test b i v | 33 | sub_and_test b i v |
| 34 | dec_and_test b v | 34 | dec_and_test b v |
| 35 | inc_and_test b v | 35 | inc_and_test b v |
| 36 | add_negative b i v | 36 | add_negative B i v |
| 37 | add_unless fb v i:a i:u | 37 | add_unless fb v i:a i:u |
| 38 | inc_not_zero b v | 38 | inc_not_zero b v |
| 39 | inc_unless_negative b v | 39 | inc_unless_negative b v |
| @@ -1,16 +1,15 @@ | |||
| 1 | cat <<EOF | 1 | cat <<EOF |
| 2 | /** | 2 | /** |
| 3 | * arch_${atomic}_add_negative - add and test if negative | 3 | * arch_${atomic}_add_negative${order} - Add and test if negative |
| 4 | * @i: integer value to add | 4 | * @i: integer value to add |
| 5 | * @v: pointer of type ${atomic}_t | 5 | * @v: pointer of type ${atomic}_t |
| 6 | * | 6 | * |
| 7 | * Atomically adds @i to @v and returns true | 7 | * Atomically adds @i to @v and returns true if the result is negative, |
| 8 | * if the result is negative, or false when | 8 | * or false when the result is greater than or equal to zero. |
| 9 | * result is greater than or equal to zero. | ||
| 10 | */ | 9 | */ |
| 11 | static __always_inline bool | 10 | static __always_inline bool |
| 12 | arch_${atomic}_add_negative(${int} i, ${atomic}_t *v) | 11 | arch_${atomic}_add_negative${order}(${int} i, ${atomic}_t *v) |
| 13 | { | 12 | { |
| 14 | return arch_${atomic}_add_return(i, v) < 0; | 13 | return arch_${atomic}_add_return${order}(i, v) < 0; |
| 15 | } | 14 | } |
| 16 | EOF | 15 | EOF |