Re: [PATCH v3 tip/core/rcu 1/9] rcu: Add call_rcu_tasks()

Paul E. McKenney
2014-08-11T03:30:57Z

On Sun, Aug 10, 2014 at 10:14:25AM +0200, Peter Zijlstra wrote:
> On Sat, Aug 09, 2014 at 06:29:24PM -0700, Paul E. McKenney wrote:
> > On Sat, Aug 09, 2014 at 08:24:00PM +0200, Peter Zijlstra wrote:
> > > On Sat, Aug 09, 2014 at 08:19:20PM +0200, Peter Zijlstra wrote:
> > > > How about we simply assume 'idle' code, as defined by the rcu idle hooks
> > > > are safe? Why do we want to bend over backwards to cover this?
> > >
> > > The thing is, we already have the special rcu trace hooks for tracing
> > > inside this rcu-idle section, so why go beyond this now?
> >
> > I have to defer to Steven and Masami on this one, but I would guess that
> > they want the ability to trace the idle loop for the same reasons they
> > stated earlier.
>
> want want want, I want a damn pony but somehow I'm not getting one. Why
> are they getting this?

We can only be glad that my daughters' old My Little Pony toys are
long gone (http://en.wikipedia.org/wiki/My_Little_Pony). Not sure I
would have been able to resist sending one along. ;-)

Thanx, Paul