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| author | Uros Bizjak <ubizjak@gmail.com> | 2023-04-05 16:17:06 +0200 |
|---|---|---|
| committer | Ingo Molnar <mingo@kernel.org> | 2023-04-29 09:09:02 +0200 |
| commit | e6ce9d741163af0b846637ce6550ae8a671b1588 (patch) | |
| tree | ec57055469cac285783af882458823c34ad838b8 /scripts/atomic | |
| parent | 286deb7ec03d941664ac3ffaff58814b454adf65 (diff) | |
| download | lwn-e6ce9d741163af0b846637ce6550ae8a671b1588.tar.gz lwn-e6ce9d741163af0b846637ce6550ae8a671b1588.zip | |
locking/atomic: Add generic try_cmpxchg{,64}_local() support
Add generic support for try_cmpxchg{,64}_local() and their falbacks.
These provides the generic try_cmpxchg_local family of functions
from the arch_ prefixed version, also adding explicit instrumentation.
Signed-off-by: Uros Bizjak <ubizjak@gmail.com>
Signed-off-by: Peter Zijlstra (Intel) <peterz@infradead.org>
Signed-off-by: Ingo Molnar <mingo@kernel.org>
Acked-by: Mark Rutland <mark.rutland@arm.com>
Link: https://lore.kernel.org/r/20230405141710.3551-2-ubizjak@gmail.com
Cc: Linus Torvalds <torvalds@linux-foundation.org>
Diffstat (limited to 'scripts/atomic')
| -rwxr-xr-x | scripts/atomic/gen-atomic-fallback.sh | 4 | ||||
| -rwxr-xr-x | scripts/atomic/gen-atomic-instrumented.sh | 2 |
2 files changed, 5 insertions, 1 deletions
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" ${args} done diff --git a/scripts/atomic/gen-atomic-instrumented.sh b/scripts/atomic/gen-atomic-instrumented.sh index 77c06526a574..c8165e9431bf 100755 --- a/scripts/atomic/gen-atomic-instrumented.sh +++ b/scripts/atomic/gen-atomic-instrumented.sh @@ -173,7 +173,7 @@ for xchg in "xchg" "cmpxchg" "cmpxchg64" "try_cmpxchg" "try_cmpxchg64"; do done done -for xchg in "cmpxchg_local" "cmpxchg64_local" "sync_cmpxchg"; do +for xchg in "cmpxchg_local" "cmpxchg64_local" "sync_cmpxchg" "try_cmpxchg_local" "try_cmpxchg64_local" ; do gen_xchg "${xchg}" "" "" printf "\n" done |