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

Paul E. McKenney
2014-08-10T01:29:32Z

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.

Thanx, Paul