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instrumentation: Wire up cmpxchg128()

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Wire up the cmpxchg128 family in the atomic wrapper scripts.

These provide the generic cmpxchg128 family of functions from the
arch_ prefixed version, adding explicit instrumentation where needed.

Signed-off-by: Peter Zijlstra (Intel) <peterz@infradead.org>
Reviewed-by: Arnd Bergmann <arnd@arndb.de>
Reviewed-by: Mark Rutland <mark.rutland@arm.com>
Acked-by: Mark Rutland <mark.rutland@arm.com>
Tested-by: Mark Rutland <mark.rutland@arm.com>
Link: https://lore.kernel.org/r/20230531132323.519237070@infradead.org
This commit is contained in:
Peter Zijlstra
2023-05-31 15:08:37 +02:00
parent b23e139d0b
commit 8c8b096a23
4 changed files with 183 additions and 6 deletions
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4
scripts/atomic/gen-atomic-fallback.sh
View File

@@ -217,11 +217,11 @@ cat << EOF
EOF
for xchg in "arch_xchg" "arch_cmpxchg" "arch_cmpxchg64"; do
for xchg in "arch_xchg" "arch_cmpxchg" "arch_cmpxchg64" "arch_cmpxchg128"; do
gen_xchg_fallbacks "${xchg}"
done
for cmpxchg in "cmpxchg" "cmpxchg64"; do
for cmpxchg in "cmpxchg" "cmpxchg64" "cmpxchg128"; do
gen_try_cmpxchg_fallbacks "${cmpxchg}"
done

4
scripts/atomic/gen-atomic-instrumented.sh
View File

@@ -166,14 +166,14 @@ grep '^[a-z]' "$1" | while read name meta args; do
done
for xchg in "xchg" "cmpxchg" "cmpxchg64" "try_cmpxchg" "try_cmpxchg64"; do
for xchg in "xchg" "cmpxchg" "cmpxchg64" "cmpxchg128" "try_cmpxchg" "try_cmpxchg64" "try_cmpxchg128"; do
for order in "" "_acquire" "_release" "_relaxed"; do
gen_xchg "${xchg}" "${order}" ""
printf "\n"
done
done
for xchg in "cmpxchg_local" "cmpxchg64_local" "sync_cmpxchg" "try_cmpxchg_local" "try_cmpxchg64_local" ; do
for xchg in "cmpxchg_local" "cmpxchg64_local" "cmpxchg128_local" "sync_cmpxchg" "try_cmpxchg_local" "try_cmpxchg64_local" "try_cmpxchg128_local"; do
gen_xchg "${xchg}" "" ""
printf "\n"
done