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
