i386tss
void cpu_init_tss(struct i386tss *, void *, void *);
cpu_init_tss(struct i386tss *tss, void *stack, void *func)
cpu_info_primary.ci_tss, sizeof(struct i386tss)-1,
cpu_info_primary.ci_nmi_tss, sizeof(struct i386tss)-1,
struct i386tss *ci_tss;
struct i386tss *ci_nmi_tss;
struct i386tss uu_tss;
struct i386tss uu_nmi_tss;
CTASSERT(_ALIGN(2 * sizeof(struct i386tss)) +