Re: [PATCH v2 2/2] Documentation/kernel-parameters: Update rcu_normal_wake_from_gp doc

[Uladzislau Rezki]

On Wed, Jun 11, 2025 at 05:49:14PM -0400, Joel Fernandes wrote:
> 
> 
> On 6/11/2025 1:56 PM, Uladzislau Rezki (Sony) wrote:
> > Update the documentation about rcu_normal_wake_from_gp parameter.
> > 
> > Signed-off-by: Uladzislau Rezki (Sony) 
> 
> Reviewed-by: Joel Fernandes 
> 
Thanks!

--
Uladzislau Rezki

Re: [PATCH v2 2/2] Documentation/kernel-parameters: Update rcu_normal_wake_from_gp doc

[Joel Fernandes]

On 6/11/2025 1:56 PM, Uladzislau Rezki (Sony) wrote:
> Update the documentation about rcu_normal_wake_from_gp parameter.
> 
> Signed-off-by: Uladzislau Rezki (Sony) 

Reviewed-by: Joel Fernandes 

Thanks.


> ---
>  Documentation/admin-guide/kernel-parameters.txt | 3 ++-
>  1 file changed, 2 insertions(+), 1 deletion(-)
> 
> diff --git a/Documentation/admin-guide/kernel-parameters.txt 
> b/Documentation/admin-guide/kernel-parameters.txt
> index f1f2c0874da9..f7e4bee2b823 100644
> --- a/Documentation/admin-guide/kernel-parameters.txt
> +++ b/Documentation/admin-guide/kernel-parameters.txt
> @@ -5485,7 +5485,8 @@
>   echo 1 > 
> /sys/module/rcutree/parameters/rcu_normal_wake_from_gp
>   or pass a boot parameter 
> "rcutree.rcu_normal_wake_from_gp=1"
>  
> - Default is 0.
> + Default is 1 if num_possible_cpus() <= 16 and it is not 
> explicitly
> + disabled by the boot parameter passing 0.
>  
>   rcuscale.gp_async= [KNL]
>   Measure performance of asynchronous