4 ms·You can't even create a single segment selector that is both writable and executable at all in x86.by yuhong 9y agoYou can't even create a single segment selector that is both writable and executable at all in x86.pjmlp 9y agoWasn't it possible on 16 bit protected mode segments? My Windows 3.x days have long faded away.yuhong 9y agoUsing separate selectors.