arch/x86/entry/entry_64.S:487: Warning: no instruction mnemonic suffix given and no register operands; using default for `btr' arch/x86/entry/entry_64.S:1642: Warning: no instruction mnemonic suffix given and no register operands; using default for `sysret' arch/x86/kernel/process.c:456: Warning: no instruction mnemonic suffix given and no register operands; using default for `btr' arch/x86/kernel/process.c:456: Warning: no instruction mnemonic suffix given and no register operands; using default for `btr' net/ipv4/inet_hashtables.c:608:68: warning: suggest parentheses around ‘+’ in operand of ‘&’ [-Wparentheses] WARNING: vmlinux.o (.discard.nospec): unexpected non-allocatable section. WARNING: vmlinux.o (.discard.retpoline_safe): unexpected non-allocatable section. ld: arch/x86/boot/compressed/head_64.o: warning: relocation in read-only section `.head.text' ld: warning: creating DT_TEXTREL in a PIE