Re: [PATCH arm 1/1] arm: Use _rcuidle tracepoint to allow use from idle

Tony Lindgren
2016-04-26T21:13:05Z

* Paul E. McKenney <paulmck@linux.vnet.ibm.com> [160426 14:08]:
> On Tue, Apr 26, 2016 at 01:46:15PM -0700, Tony Lindgren wrote:
> > * Paul E. McKenney <paulmck@linux.vnet.ibm.com> [160426 13:42]:
> > > On Tue, Apr 26, 2016 at 01:25:39PM -0700, Tony Lindgren wrote:
> > > > * Paul E. McKenney <paulmck@linux.vnet.ibm.com> [160426 13:12]:
> > > > > On Tue, Apr 26, 2016 at 01:06:13PM -0700, Paul E. McKenney wrote:
> > > > > > On Tue, Apr 26, 2016 at 12:51:59PM -0700, Tony Lindgren wrote:
> > > > > > > * Steven Rostedt <rostedt@goodmis.org> [160426 12:45]:
> > > > > > > > *Whack* *Whack* *Whack*!!!
> > > > > > > >
> > > > > > > > Signed-off-by: Steven Rostedt <rostedt@goodmis.org>
> > > > > > > > ---
> > > > > > > > diff --git a/drivers/clk/clk.c b/drivers/clk/clk.c
> > > > > > > > index fb74dc1f7520..4fa43c02d682 100644
> > > > > > > > --- a/drivers/clk/clk.c
> > > > > > > > +++ b/drivers/clk/clk.c
> > > > > > > > @@ -682,12 +682,12 @@ static void clk_core_disable(struct clk_core *core)
> > > > > > > > if (--core->enable_count > 0)
> > > > > > > > return;
> > > > > > > >
> > > > > > > > - trace_clk_disable(core);
> > > > > > > > + trace_clk_disable_rcuidle(core);
> > > > > > > >
> > > > > > > > if (core->ops->disable)
> > > > > > > > core->ops->disable(core->hw);
> > > > > > > >
> > > > > > > > - trace_clk_disable_complete(core);
> > > > > > > > + trace_clk_disable_complete_rcuidle(core);
> > > > > > > >
> > > > > > > > clk_core_disable(core->parent);
> > > > > > > > }
> > > > > > >
> > > > > > > Now the mole shows up here!
> > > > > >
> > > > > > And the patch shows up here!
> > > > >
> > > > > And I bet you will need this one as well...
> > > >
> > > > OK and now the mode is coming back after a short nap during idle:
> > >
> > > Seems a bit unfair to whack it just after a short nap, but here goes!
> >
> > This mode seems pretty hard headed :) Now clk_core_enable:
>
> Nah, just a lot of heads...

OK that does it for me. Thanks for all the mole related whacks,
please feel free to add:

Tested-by: Tony Lindgren <tony@atomide.com>