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Subjectlinux-5.3.0-rc5: new build warning
Date
Hi,

I've just built 5.3.0-rc5 and a warning that I do not recall having seen before was emitted:

...
HOSTCC scripts/extract-cert
HOSTCC /mnt/kernel/linux/tools/objtool/fixdep.o
HOSTLD arch/x86/tools/relocs
HOSTLD /mnt/kernel/linux/tools/objtool/fixdep-in.o
LINK /mnt/kernel/linux/tools/objtool/fixdep
CC /mnt/kernel/linux/tools/objtool/builtin-check.o
CC /mnt/kernel/linux/tools/objtool/builtin-orc.o
GEN /mnt/kernel/linux/tools/objtool/arch/x86/lib/inat-tables.c
awk: arch/x86/tools/gen-insn-attr-x86.awk:260: warning: regexp escape sequence `\:' is not a known regexp operator
awk: arch/x86/tools/gen-insn-attr-x86.awk:350: (FILENAME=arch/x86/lib/x86-opcode-map.txt FNR=41) warning: regexp escape
sequence `\&' is not a known regexp operator
CC /mnt/kernel/linux/tools/objtool/exec-cmd.o
CC /mnt/kernel/linux/tools/objtool/check.o
CC /mnt/kernel/linux/tools/objtool/arch/x86/decode.o
CC /mnt/kernel/linux/tools/objtool/orc_gen.o
CC /mnt/kernel/linux/tools/objtool/help.o
CC /mnt/kernel/linux/tools/objtool/orc_dump.o
CC /mnt/kernel/linux/tools/objtool/pager.o
...


Happy to test the fix, but please cc me as I'm not subscribed

Chris

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