From b10fdeea8cf42c0d97b337e9e501c92da4389a03 Mon Sep 17 00:00:00 2001
From: Masahiro Yamada <masahiroy@kernel.org>
Date: Sat, 20 Aug 2022 18:15:29 +0900
Subject: kbuild: check sha1sum just once for each atomic header

It is unneeded to check the sha1sum every time.

Create the timestamp files to manage it.

Add '.' to clean-dirs because 'make clean' must visit ./Kbuild to
clean up the timestamp files.

Signed-off-by: Masahiro Yamada <masahiroy@kernel.org>
---
 scripts/atomic/check-atomics.sh | 33 ---------------------------------
 1 file changed, 33 deletions(-)
 delete mode 100755 scripts/atomic/check-atomics.sh

(limited to 'scripts/atomic')

diff --git a/scripts/atomic/check-atomics.sh b/scripts/atomic/check-atomics.sh
deleted file mode 100755
index 0e7bab3eb0d1..000000000000
--- a/scripts/atomic/check-atomics.sh
+++ /dev/null
@@ -1,33 +0,0 @@
-#!/bin/sh
-# SPDX-License-Identifier: GPL-2.0
-#
-# Check if atomic headers are up-to-date
-
-ATOMICDIR=$(dirname $0)
-ATOMICTBL=${ATOMICDIR}/atomics.tbl
-LINUXDIR=${ATOMICDIR}/../..
-
-echo '' | sha1sum - > /dev/null 2>&1
-if [ $? -ne 0 ]; then
-	printf "sha1sum not available, skipping atomic header checks.\n"
-	exit 0
-fi
-
-cat <<EOF |
-linux/atomic/atomic-instrumented.h
-linux/atomic/atomic-long.h
-linux/atomic/atomic-arch-fallback.h
-EOF
-while read header; do
-	OLDSUM="$(tail -n 1 ${LINUXDIR}/include/${header})"
-	OLDSUM="${OLDSUM#// }"
-
-	NEWSUM="$(sed '$d' ${LINUXDIR}/include/${header} | sha1sum)"
-	NEWSUM="${NEWSUM%% *}"
-
-	if [ "${OLDSUM}" != "${NEWSUM}" ]; then
-		printf "warning: generated include/${header} has been modified.\n"
-	fi
-done
-
-exit 0
-- 
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