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List: dpdk-dev
Subject: [PATCH 2/4] devtools: forbid use of GCC atomic builtins
From: Tyler Retzlaff <roretzla () linux ! microsoft ! com>
Date: 2023-07-31 21:07:39
Message-ID: 1690837661-27573-3-git-send-email-roretzla () linux ! microsoft ! com
[Download RAW message or body]
Refrain from using compiler __atomic_xxx builtins DPDK now uses standard
C11 atomics atomic_xxx.
Signed-off-by: Tyler Retzlaff <roretzla@linux.microsoft.com>
---
devtools/checkpatches.sh | 8 ++++++++
1 file changed, 8 insertions(+)
diff --git a/devtools/checkpatches.sh b/devtools/checkpatches.sh
index 43f5e36..a32f02e 100755
--- a/devtools/checkpatches.sh
+++ b/devtools/checkpatches.sh
@@ -102,6 +102,14 @@ check_forbidden_additions() { # <patch>
-f $(dirname $(readlink -f $0))/check-forbidden-tokens.awk \
"$1" || res=1
+ # refrain from using compiler __atomic_xxx builtins
+ awk -v FOLDERS="lib drivers app examples" \
+ -v EXPRESSIONS="__atomic_.*\\\(" \
+ -v RET_ON_FAIL=1 \
+ -v MESSAGE='Using __atomic_xxx builtins' \
+ -f $(dirname $(readlink -f $0))/check-forbidden-tokens.awk \
+ "$1" || res=1
+
# refrain from using compiler __atomic_thread_fence()
# It should be avoided on x86 for SMP case.
awk -v FOLDERS="lib drivers app examples" \
--
1.8.3.1
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