[v6,6/6] devtools: forbid new direct use of GCC atomic builtins
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Commit Message
Refrain from using compiler __atomic_xxx builtins DPDK now requires
the use of rte_atomic_<op>_explicit macros when operating on DPDK
atomic variables.
Signed-off-by: Tyler Retzlaff <roretzla@linux.microsoft.com>
Suggested-by: Morten Brørup <mb@smartsharesystems.com>
Acked-by: Bruce Richardson <bruce.richardson@intel.com>
Acked-by: Morten Brørup <mb@smartsharesystems.com>
Acked-by: Konstantin Ananyev <konstantin.v.ananyev@yandex.ru>
---
devtools/checkpatches.sh | 12 ++++++------
1 file changed, 6 insertions(+), 6 deletions(-)
@@ -102,20 +102,20 @@ check_forbidden_additions() { # <patch>
-f $(dirname $(readlink -f $0))/check-forbidden-tokens.awk \
"$1" || res=1
- # refrain from using compiler __atomic_thread_fence()
+ # refrain from using compiler __rte_atomic_thread_fence()
# It should be avoided on x86 for SMP case.
awk -v FOLDERS="lib drivers app examples" \
- -v EXPRESSIONS="__atomic_thread_fence\\\(" \
+ -v EXPRESSIONS="__rte_atomic_thread_fence\\\(" \
-v RET_ON_FAIL=1 \
- -v MESSAGE='Using __atomic_thread_fence' \
+ -v MESSAGE='Using __rte_atomic_thread_fence, prefer rte_atomic_thread_fence' \
-f $(dirname $(readlink -f $0))/check-forbidden-tokens.awk \
"$1" || res=1
- # refrain from using compiler __atomic_{add,and,nand,or,sub,xor}_fetch()
+ # refrain from using compiler __atomic_xxx builtins
awk -v FOLDERS="lib drivers app examples" \
- -v EXPRESSIONS="__atomic_(add|and|nand|or|sub|xor)_fetch\\\(" \
+ -v EXPRESSIONS="__atomic_.*\\\(" \
-v RET_ON_FAIL=1 \
- -v MESSAGE='Using __atomic_op_fetch, prefer __atomic_fetch_op' \
+ -v MESSAGE='Using __atomic_xxx built-ins, prefer rte_atomic_xxx' \
-f $(dirname $(readlink -f $0))/check-forbidden-tokens.awk \
"$1" || res=1