2716 static int task_switch_16(struct x86_emulate_ctxt *ctxt, u16 old_tss_sel,  in task_switch_16()  argument
2737 	if (old_tss_sel != 0xffff) {  in task_switch_16()
2738 		tss_seg.prev_task_link = old_tss_sel;  in task_switch_16()
2854 static int task_switch_32(struct x86_emulate_ctxt *ctxt, u16 old_tss_sel,  in task_switch_32()  argument
2879 	if (old_tss_sel != 0xffff) {  in task_switch_32()
2880 		tss_seg.prev_task_link = old_tss_sel;  in task_switch_32()
2899 	u16 old_tss_sel = get_segment_selector(ctxt, VCPU_SREG_TR);  in emulator_do_task_switch()  local
2910 	ret = read_segment_descriptor(ctxt, old_tss_sel, &curr_tss_desc, &desc_addr);  in emulator_do_task_switch()
2950 		write_segment_descriptor(ctxt, old_tss_sel, &curr_tss_desc);  in emulator_do_task_switch()
2959 		old_tss_sel = 0xffff;  in emulator_do_task_switch()
2962 		ret = task_switch_32(ctxt, old_tss_sel, old_tss_base, &next_tss_desc);  in emulator_do_task_switch()
2964 		ret = task_switch_16(ctxt, old_tss_sel,  in emulator_do_task_switch()