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76c513c87f
commit d30c7b820b upstream.
Add an explicit __ignore_sync_check__ marker which will be used to mark
lines which are supposed to be ignored by file synchronization check
scripts, its advantage being that it explicitly denotes such lines in
the code.
Signed-off-by: Borislav Petkov <bp@suse.de>
Reviewed-by: Masami Hiramatsu <mhiramat@kernel.org>
Link: https://lkml.kernel.org/r/20210304174237.31945-4-bp@alien8.de
Signed-off-by: Ben Hutchings <ben@decadent.org.uk>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
75 lines
1.2 KiB
Bash
Executable File
75 lines
1.2 KiB
Bash
Executable File
#!/bin/sh
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# SPDX-License-Identifier: GPL-2.0
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if [ -z "$SRCARCH" ]; then
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echo 'sync-check.sh: error: missing $SRCARCH environment variable' >&2
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exit 1
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fi
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FILES="include/linux/objtool.h"
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if [ "$SRCARCH" = "x86" ]; then
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FILES="$FILES
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arch/x86/include/asm/inat_types.h
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arch/x86/include/asm/orc_types.h
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arch/x86/include/asm/emulate_prefix.h
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arch/x86/lib/x86-opcode-map.txt
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arch/x86/tools/gen-insn-attr-x86.awk
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include/linux/static_call_types.h
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"
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SYNC_CHECK_FILES='
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arch/x86/include/asm/inat.h
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arch/x86/include/asm/insn.h
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arch/x86/lib/inat.c
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arch/x86/lib/insn.c
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'
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fi
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check_2 () {
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file1=$1
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file2=$2
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shift
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shift
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cmd="diff $* $file1 $file2 > /dev/null"
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test -f $file2 && {
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eval $cmd || {
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echo "Warning: Kernel ABI header at '$file1' differs from latest version at '$file2'" >&2
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echo diff -u $file1 $file2
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}
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}
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}
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check () {
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file=$1
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shift
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check_2 tools/$file $file $*
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}
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if [ ! -d ../../kernel ] || [ ! -d ../../tools ] || [ ! -d ../objtool ]; then
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exit 0
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fi
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cd ../..
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while read -r file_entry; do
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if [ -z "$file_entry" ]; then
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continue
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fi
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check $file_entry
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done <<EOF
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$FILES
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EOF
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if [ "$SRCARCH" = "x86" ]; then
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for i in $SYNC_CHECK_FILES; do
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check $i '-I "^.*\/\*.*__ignore_sync_check__.*\*\/.*$"'
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done
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fi
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