I don't understand why this is better than just changing -ops. Except,
yes, I agree with above.
Sure, if you think about the innards they amount to about the same thing.
After PTRACE_DETACH, there is one engine attached and it uses the special
ops vector. They are really just different ways to
Still no code, only questions.
One particular problem with attach/detach is that ptrace_detach_task(sig)
doesn't really detach if sig != 0. Instead of UTRACE_DETACH we clear
engine-data and do UTRACE_INTERRUPT. The actual detach should be done by
ptrace_report_signal()-ptrace_resumed which
