linux-kernel - Re: [RFC PATCH v3 05/15] rcutorture: Make TREE04 use CONFIG_RCU_DYNTICKS

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Message-ID: <f9a3dc13-73cc-439f-84f7-ca0b86226e41@paulmck-laptop>
Date: Fri, 22 Nov 2024 04:54:27 -0800
From: "Paul E. McKenney" <paulmck@...nel.org>
To: Valentin Schneider <vschneid@...hat.com>
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Subject: Re: [RFC PATCH v3 05/15] rcutorture: Make TREE04 use
 CONFIG_RCU_DYNTICKS_TORTURE

On Tue, Nov 19, 2024 at 04:34:52PM +0100, Valentin Schneider wrote:
> We now have an RCU_EXPERT config for testing small-sized RCU dynticks
> counter:  CONFIG_RCU_DYNTICKS_TORTURE.
> 
> Modify scenario TREE04 to exercise to use this config in order to test a
> ridiculously small counter (2 bits).
> 
> Link: http://lore.kernel.org/r/4c2cb573-168f-4806-b1d9-164e8276e66a@paulmck-laptop
> Suggested-by: Paul E. McKenney <paulmck@...nel.org>
> Signed-off-by: Valentin Schneider <vschneid@...hat.com>

Reviewed-by: Paul E. McKenney <paulmck@...nel.org>

> ---
>  tools/testing/selftests/rcutorture/configs/rcu/TREE04 | 1 +
>  1 file changed, 1 insertion(+)
> 
> diff --git a/tools/testing/selftests/rcutorture/configs/rcu/TREE04 b/tools/testing/selftests/rcutorture/configs/rcu/TREE04
> index dc4985064b3ad..67caf4276bb01 100644
> --- a/tools/testing/selftests/rcutorture/configs/rcu/TREE04
> +++ b/tools/testing/selftests/rcutorture/configs/rcu/TREE04
> @@ -16,3 +16,4 @@ CONFIG_DEBUG_OBJECTS_RCU_HEAD=n
>  CONFIG_RCU_EXPERT=y
>  CONFIG_RCU_EQS_DEBUG=y
>  CONFIG_RCU_LAZY=y
> +CONFIG_RCU_DYNTICKS_TORTURE=y
> -- 
> 2.43.0
>