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authorPeter Zijlstra <peterz@infradead.org>2023-05-31 15:08:44 +0200
committerPeter Zijlstra <peterz@infradead.org>2023-06-05 09:36:39 +0200
commitfebe950dbfb464799beb0339cc6fb10699f4a5da (patch)
tree96098a18fcc97b277a828e837409f68f4917a88f /scripts/atomic
parent6801be4f2653e5fdddca73b527cf0728284ba8a3 (diff)
arch: Remove cmpxchg_double
No moar users, remove the monster. 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: Heiko Carstens <hca@linux.ibm.com> Tested-by: Mark Rutland <mark.rutland@arm.com> Link: https://lore.kernel.org/r/20230531132323.991907085@infradead.org
Diffstat (limited to 'scripts/atomic')
-rwxr-xr-xscripts/atomic/gen-atomic-instrumented.sh15
1 files changed, 4 insertions, 11 deletions
diff --git a/scripts/atomic/gen-atomic-instrumented.sh b/scripts/atomic/gen-atomic-instrumented.sh
index 4f803472661e..a2ef735be8ca 100755
--- a/scripts/atomic/gen-atomic-instrumented.sh
+++ b/scripts/atomic/gen-atomic-instrumented.sh
@@ -84,7 +84,6 @@ gen_xchg()
{
local xchg="$1"; shift
local order="$1"; shift
- local mult="$1"; shift
kcsan_barrier=""
if [ "${xchg%_local}" = "${xchg}" ]; then
@@ -104,8 +103,8 @@ cat <<EOF
EOF
[ -n "$kcsan_barrier" ] && printf "\t${kcsan_barrier}; \\\\\n"
cat <<EOF
- instrument_atomic_read_write(__ai_ptr, ${mult}sizeof(*__ai_ptr)); \\
- instrument_read_write(__ai_oldp, ${mult}sizeof(*__ai_oldp)); \\
+ instrument_atomic_read_write(__ai_ptr, sizeof(*__ai_ptr)); \\
+ instrument_read_write(__ai_oldp, sizeof(*__ai_oldp)); \\
arch_${xchg}${order}(__ai_ptr, __ai_oldp, __VA_ARGS__); \\
})
EOF
@@ -168,22 +167,16 @@ done
for xchg in "xchg" "cmpxchg" "cmpxchg64" "cmpxchg128" "try_cmpxchg" "try_cmpxchg64" "try_cmpxchg128"; do
for order in "" "_acquire" "_release" "_relaxed"; do
- gen_xchg "${xchg}" "${order}" ""
+ gen_xchg "${xchg}" "${order}"
printf "\n"
done
done
for xchg in "cmpxchg_local" "cmpxchg64_local" "cmpxchg128_local" "sync_cmpxchg" "try_cmpxchg_local" "try_cmpxchg64_local" "try_cmpxchg128_local"; do
- gen_xchg "${xchg}" "" ""
+ gen_xchg "${xchg}" ""
printf "\n"
done
-gen_xchg "cmpxchg_double" "" "2 * "
-
-printf "\n\n"
-
-gen_xchg "cmpxchg_double_local" "" "2 * "
-
cat <<EOF
#endif /* _LINUX_ATOMIC_INSTRUMENTED_H */