ld: warning: arch/x86/entry/vdso/vdso32/system_call.o: missing .note.GNU-stack section implies executable stack ld: warning: arch/x86/entry/thunk_32.o: missing .note.GNU-stack section implies executable stack arch/x86/kernel/process.c:539:31: warning: the comparison will always evaluate as ‘true’ for the address of ‘amd_e400_c1e_mask’ will never be NULL [-Waddress] ld: warning: arch/x86/kernel/irqflags.o: missing .note.GNU-stack section implies executable stack ld: warning: arch/x86/realmode/rmpiggy.o: missing .note.GNU-stack section implies executable stack ld: warning: arch/x86/entry/built-in.o: requires executable stack (because the .note.GNU-stack section is executable) ld: warning: arch/x86/lib/hweight.o: missing .note.GNU-stack section implies executable stack ld: warning: arch/x86/built-in.o: requires executable stack (because the .note.GNU-stack section is executable) ld: warning: arch/x86/built-in.o: requires executable stack (because the .note.GNU-stack section is executable) ld: warning: arch/x86/boot/compressed/piggy.o: missing .note.GNU-stack section implies executable stack ld: warning: arch/x86/boot/compressed/vmlinux has a LOAD segment with RWX permissions ld: warning: arch/x86/boot/pmjump.o: missing .note.GNU-stack section implies executable stack ld: warning: arch/x86/boot/setup.elf has a LOAD segment with RWX permissions