arch/x86/entry/entry_64.S:487: 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' arch/x86/kernel/process.c:456: Warning: no instruction mnemonic suffix given and no register operands; using default for `btr' arch/x86/kernel/cpu/amd.c:753: warning: "MSR_AMD64_DE_CFG" redefined 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