diff options
Diffstat (limited to 'scripts/atomic')
| -rw-r--r-- | scripts/atomic/atomics.tbl | 2 | ||||
| -rwxr-xr-x | scripts/atomic/fallbacks/add_negative | 11 | ||||
| -rwxr-xr-x | scripts/atomic/gen-atomic-fallback.sh | 4 | ||||
| -rwxr-xr-x | scripts/atomic/gen-atomic-instrumented.sh | 8 |
4 files changed, 14 insertions, 11 deletions
diff --git a/scripts/atomic/atomics.tbl b/scripts/atomic/atomics.tbl index fbee2f6190d9..85ca8d9b5c27 100644 --- a/scripts/atomic/atomics.tbl +++ b/scripts/atomic/atomics.tbl @@ -33,7 +33,7 @@ try_cmpxchg B v p:old i:new sub_and_test b i v dec_and_test b v inc_and_test b v -add_negative b i v +add_negative B i v add_unless fb v i:a i:u inc_not_zero b v inc_unless_negative b v diff --git a/scripts/atomic/fallbacks/add_negative b/scripts/atomic/fallbacks/add_negative index 15caa2eb2371..e5980abf5904 100755 --- a/scripts/atomic/fallbacks/add_negative +++ b/scripts/atomic/fallbacks/add_negative @@ -1,16 +1,15 @@ cat <<EOF /** - * arch_${atomic}_add_negative - add and test if negative + * arch_${atomic}_add_negative${order} - Add and test if negative * @i: integer value to add * @v: pointer of type ${atomic}_t * - * Atomically adds @i to @v and returns true - * if the result is negative, or false when - * result is greater than or equal to zero. + * Atomically adds @i to @v and returns true if the result is negative, + * or false when the result is greater than or equal to zero. */ static __always_inline bool -arch_${atomic}_add_negative(${int} i, ${atomic}_t *v) +arch_${atomic}_add_negative${order}(${int} i, ${atomic}_t *v) { - return arch_${atomic}_add_return(i, v) < 0; + return arch_${atomic}_add_return${order}(i, v) < 0; } EOF diff --git a/scripts/atomic/gen-atomic-fallback.sh b/scripts/atomic/gen-atomic-fallback.sh index 3a07695e3c89..6e853f0dad8d 100755 --- a/scripts/atomic/gen-atomic-fallback.sh +++ b/scripts/atomic/gen-atomic-fallback.sh @@ -225,6 +225,10 @@ for cmpxchg in "cmpxchg" "cmpxchg64"; do gen_try_cmpxchg_fallbacks "${cmpxchg}" done +for cmpxchg in "cmpxchg_local" "cmpxchg64_local"; do + gen_try_cmpxchg_fallback "${cmpxchg}" "" +done + grep '^[a-z]' "$1" | while read name meta args; do gen_proto "${meta}" "${name}" "atomic" "int" ${args} done diff --git a/scripts/atomic/gen-atomic-instrumented.sh b/scripts/atomic/gen-atomic-instrumented.sh index 77c06526a574..d9ffd74f73ca 100755 --- a/scripts/atomic/gen-atomic-instrumented.sh +++ b/scripts/atomic/gen-atomic-instrumented.sh @@ -104,8 +104,8 @@ cat <<EOF EOF [ -n "$kcsan_barrier" ] && printf "\t${kcsan_barrier}; \\\\\n" cat <<EOF - instrument_atomic_write(__ai_ptr, ${mult}sizeof(*__ai_ptr)); \\ - instrument_atomic_write(__ai_oldp, ${mult}sizeof(*__ai_oldp)); \\ + instrument_atomic_read_write(__ai_ptr, ${mult}sizeof(*__ai_ptr)); \\ + instrument_read_write(__ai_oldp, ${mult}sizeof(*__ai_oldp)); \\ arch_${xchg}${order}(__ai_ptr, __ai_oldp, __VA_ARGS__); \\ }) EOF @@ -119,7 +119,7 @@ cat <<EOF EOF [ -n "$kcsan_barrier" ] && printf "\t${kcsan_barrier}; \\\\\n" cat <<EOF - instrument_atomic_write(__ai_ptr, ${mult}sizeof(*__ai_ptr)); \\ + instrument_atomic_read_write(__ai_ptr, ${mult}sizeof(*__ai_ptr)); \\ arch_${xchg}${order}(__ai_ptr, __VA_ARGS__); \\ }) EOF @@ -173,7 +173,7 @@ for xchg in "xchg" "cmpxchg" "cmpxchg64" "try_cmpxchg" "try_cmpxchg64"; do done done -for xchg in "cmpxchg_local" "cmpxchg64_local" "sync_cmpxchg"; do +for xchg in "cmpxchg_local" "cmpxchg64_local" "sync_cmpxchg" "try_cmpxchg_local" "try_cmpxchg64_local" ; do gen_xchg "${xchg}" "" "" printf "\n" done |