Re: [PATCH 1/5] user_hooks: New user hooks subsystem

[Ingo Molnar <mingo@kernel.org>]

* Frederic Weisbecker <fweisbec@gmail.com> wrote:

> On Mon, Jul 30, 2012 at 05:08:12PM +0200, Peter Zijlstra wrote:
> > On Fri, 2012-07-27 at 17:40 +0200, Frederic Weisbecker wrote:
> > > +++ b/kernel/user_hooks.c
> > > @@ -0,0 +1,56 @@
> > > +#include <linux/user_hooks.h>
> > > +#include <linux/rcupdate.h>
> > > +#include <linux/sched.h>
> > > +#include <linux/percpu.h>
> > > +
> > > +struct user_hooks {
> > > +       bool hooking;
> > > +       bool in_user;
> > > +};
> > 
> > I really detest using bool in structures.. but that's just me. Also this
> > really wants a comment as to wtf 'hooking' means. in_user I can just
> > about guess.
> 
> I really don't mind changing that to int. I just like them as 
> bool because they better describe the purpose of the field.
> 
> hooking means that the hooks are set (the TIF flag is set on 
> the current task and we also handle the exception hooks).
> 
> I can call that is_hooking instead? And/or add a comment to 
> explain the purpose of this.

Please don't use this horrible naming - use something more 
technical like struct user_callback and callback::active, ok?

Thanks,

	Ingo