How exactly would you modify branch predictor state without self modifying code? I am very interested in this. Another major question: a lot of x86 ops for man

How exactly would you modify branch predictor state without self modifying code? I am very interested in this. Another major question: a lot of x86 ops for manipulating things you want to manipulate are ring 0 instructions. We haven’t even discussed the effect of somewhat non deterministic delays caused by contention from other processes. This can change the true execution order of instruction inside the pipes, even if you somehow manage to enforce in order issue.