17634 				  struct bpf_reg_state *parent_reg)  in propagate_liveness_reg()  argument
17636 	u8 parent_flag = parent_reg->live & REG_LIVE_READ;  in propagate_liveness_reg()
17640 	/* When comes here, read flags of PARENT_REG or REG could be any of  in propagate_liveness_reg()
17642 	 * of propagation if PARENT_REG has strongest REG_LIVE_READ64.  in propagate_liveness_reg()
17647 	    /* Or if the read flag from REG is the same as PARENT_REG. */  in propagate_liveness_reg()
17651 	err = mark_reg_read(env, reg, parent_reg, flag);  in propagate_liveness_reg()
17669 	struct bpf_reg_state *state_reg, *parent_reg;  in propagate_liveness()  local
17683 		parent_reg = parent->regs;  in propagate_liveness()
17688 						     &parent_reg[i]);  in propagate_liveness()
17692 				mark_insn_zext(env, &parent_reg[i]);  in propagate_liveness()
17698 			parent_reg = &parent->stack[i].spilled_ptr;  in propagate_liveness()
17701 						     parent_reg);  in propagate_liveness()