From e6ce9d741163af0b846637ce6550ae8a671b1588 Mon Sep 17 00:00:00 2001 From: Uros Bizjak Date: Wed, 5 Apr 2023 16:17:06 +0200 Subject: 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 Signed-off-by: Peter Zijlstra (Intel) Signed-off-by: Ingo Molnar Acked-by: Mark Rutland Link: https://lore.kernel.org/r/20230405141710.3551-2-ubizjak@gmail.com Cc: Linus Torvalds --- scripts/atomic/gen-atomic-fallback.sh | 4 ++++ scripts/atomic/gen-atomic-instrumented.sh | 2 +- 2 files changed, 5 insertions(+), 1 deletion(-) (limited to 'scripts') 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 -- cgit v1.2.1