Re: [PATCH] tracing/osnoise: Force quiescent states while tracing

[Paul E. McKenney]

On Fri, Mar 04, 2022 at 04:55:06PM +0100, Nicolas Saenz Julienne wrote:
> On Fri, 2022-03-04 at 16:37 +0100, Daniel Bristot de Oliveira wrote:
> > On 3/4/22 16:28, Nicolas Saenz Julienne wrote:
> > > Some comments:
> > >  - You're not exiting/entering EQS on IRQ/NMI entry/exit. See
> > >    irqentry_{enter,exit}() and irqentry_nmi_{enter,exit}().
> > 
> > hummm, right!
> > 
> > >  - See this series[1], if we ever pursue this approach, it's important we got
> > >    through context tracking, instead of poking at RCU directly.
> > 
> > I had a test patch with context_tracking as well... entering and leaving using
> > it. Lemme find it.... but it basically works in the same way as for RCU (or
> > pretend to work).
> 
> Yes, agree, it's fundamentally the same.

And there is work in flight to make it even more the same.  ;-)

https://lore.kernel.org/all/20220302154810.42308-1-frederic@xxxxxxxxxx/

							Thanx, Paul