33979526ca
We distinguish write-only by passing ret_value as NULL. Signed-off-by: Richard Henderson <richard.henderson@linaro.org> Reviewed-by: Bin Meng <bmeng.cn@gmail.com> Reviewed-by: Alistair Francis <alistair.francis@wdc.com> Message-id: 20210823195529.560295-17-richard.henderson@linaro.org Signed-off-by: Alistair Francis <alistair.francis@wdc.com>