Re: On trace_*_rcuidle functions in modules

[Steven Rostedt]

On Thu, 16 Apr 2020 00:42:14 +0200
Peter Zijlstra <peterz@xxxxxxxxxxxxx> wrote:

> On Wed, Apr 15, 2020 at 03:04:59PM -0700, Paul E. McKenney wrote:
> > 
> > My guess is that invoking rcu_irq_enter() and rcu_irq_exit() around every
> > potential call into module code out of the PM code is a non-starter,
> > but I cannot prove that either way.  
> 
> Isn't that exactly what cpu_pm_notify() is doing?

That was originally my concern, but I didn't look at cpu_pm_notify(), until
I was about to add that to it ;-) Then noticed, it was already there
(making my last email rather confusing as I wrote half of it before seeing
this, and then continued that email after the fact).

-- Steve