Re: [PATCH rcu 05/12] rcu: Forbid RCU_STRICT_GRACE_PERIOD in TINY_RCU kernels

[Neeraj Upadhyay]

On 6/21/2022 3:50 AM, Paul E. McKenney wrote:
> The RCU_STRICT_GRACE_PERIOD Kconfig option does nothing in kernels
> built with CONFIG_TINY_RCU=y, so this commit adjusts the dependencies
> to disallow this combination.
>
> Signed-off-by: Paul E. McKenney <paulmck@xxxxxxxxxx>
> ---

Reviewed-by: Neeraj Upadhyay <quic_neeraju@xxxxxxxxxxx>


Thanks
Neeraj

>   kernel/rcu/Kconfig.debug | 2 +-
>   1 file changed, 1 insertion(+), 1 deletion(-)
>
> diff --git a/kernel/rcu/Kconfig.debug b/kernel/rcu/Kconfig.debug
> index 9b64e55d4f615..4da05beb13d79 100644
> --- a/kernel/rcu/Kconfig.debug
> +++ b/kernel/rcu/Kconfig.debug
> @@ -121,7 +121,7 @@ config RCU_EQS_DEBUG
>   
>   config RCU_STRICT_GRACE_PERIOD
>   	bool "Provide debug RCU implementation with short grace periods"
> -	depends on DEBUG_KERNEL && RCU_EXPERT && NR_CPUS <= 4
> +	depends on DEBUG_KERNEL && RCU_EXPERT && NR_CPUS <= 4 && !TINY_RCU
>   	default n
>   	select PREEMPT_COUNT if PREEMPT=n
>   	help