.global flush_gdt
.type flush_gdt, function
.align 16
flush_gdt:
    lea [.LJMP_TARGET](%rip), %rax
    push %rdi
    push %rax
    REX.W ljmp *(%rsp)
.align 16
.LJMP_TARGET:
    mov %rsi, %ds
    mov %rsi, %es
    mov %rsi, %fs
    mov %rsi, %gs
    mov %rsi, %ss
    add $0x10,%rsp
    ret
.size flush_gdt, . - flush_gdt