> > > I still think EXIT_DEAD check must die ;) > > > > In get_utrace_lock, you mean? Do you mean it's superfluous because we can > > rely on utrace_reap having cleared engine->ops before it matters to us? > > Yes. Perhaps I missed something, but this check buys nothing. First of > all this check is racy without tasklist. Bit it is also unneeded, I think.
Good enough. Let's drop it. > Perhaps engine->tracee still makes sense even if engine doesn't pin > task_struct, utrace_control/barrier/set_events do not need "target" > argument in this case. And this means it would a bit be easier to > use them. And we can kill _pid() helpers. But this is another story. Yes, it's another story. I am inclined against it, but for reasons that are a bigger discussion. Thanks, Roland
