Re: [PATCH RFC v2 tip/core/rcu 14/22] rcu-tasks: Add an RCU Tasks Trace to simplify protection of tracing hooks

Paul E. McKenney
2020-03-20T02:41:55Z

On Thu, Mar 19, 2020 at 08:48:38PM -0400, Steven Rostedt wrote:
> On Thu, 19 Mar 2020 17:28:13 -0700
> "Paul E. McKenney" <paulmck@kernel.org> wrote:
>
> > Good point. If interrupts are disabled, it will need to use some
> > other mechanism. One approach is irqwork. Another is a timer.
> >
> > Suggestions?
>
> Ftrace and perf use irq_work, I would think that should work here too.

Sounds good, will give it a go! And thank you for catching this!

Thans, Paul