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

From: Daniel Bristot de Oliveira
Date: Fri Mar 04 2022 - 10:37:37 EST


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).

>
> [1] https://lore.kernel.org/lkml/20220302154810.42308-1-frederic@xxxxxxxxxx/T/#t