message: only the boot processor should set mb_info
diff: @@ -114,9 +114,6 @@ boot_pgt:
  SECTION .ktext
  align 4
  start64:
  - ; store pointer to the multiboot information
  - mov [mb_info], QWORD rdx
  -
  ; reset registers to kill any stale realmode selectors
  xor eax, eax
  mov ds, eax
  @@ -134,6 +131,9 @@ start64:
  cmp eax, 0
  jne Lno_pml4_init
  + ; store pointer to the multiboot information
  + mov [mb_info], QWORD rdx
  +
  ; relocate page tables
  mov rdi, boot_pml4
  mov rax, QWORD [rdi]
  