Did you even read the email? It is explicitly stated that W^X modifiable with mprotect is something they are seeking to eliminate. Due to timing issues its ess

Did you even read the email? It is explicitly stated that W^X modifiable with mprotect is something they are seeking to eliminate. Due to timing issues its essentially impossible for the concept you laid out to ever provide reliable mitigation inside a program that is throwing mprotect around in a multi-threaded environment anyways.