linux-kernel - Re: [PATCH RFC v2] rcu: Add a minimum time for marking boot as completed

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Date:   Fri, 24 Feb 2023 19:36:08 -0800
From:   Randy Dunlap <rdunlap@...radead.org>
To:     "Joel Fernandes (Google)" <joel@...lfernandes.org>,
        linux-kernel@...r.kernel.org
Cc:     Frederic Weisbecker <frederic@...nel.org>,
        Lai Jiangshan <jiangshanlai@...il.com>,
        linux-doc@...r.kernel.org, "Paul E. McKenney" <paulmck@...nel.org>,
        rcu@...r.kernel.org
Subject: Re: [PATCH RFC v2] rcu: Add a minimum time for marking boot as
 completed



On 2/24/23 19:34, Joel Fernandes (Google) wrote:
> diff --git a/Documentation/admin-guide/kernel-parameters.txt b/Documentation/admin-guide/kernel-parameters.txt
> index 2429b5e3184b..0943139fdf01 100644
> --- a/Documentation/admin-guide/kernel-parameters.txt
> +++ b/Documentation/admin-guide/kernel-parameters.txt
> @@ -5085,6 +5085,10 @@
>  	rcutorture.verbose= [KNL]
>  			Enable additional printk() statements.
>  
> +	rcupdate.boot_end_delay= [KNL]
> +			Minimum time that must elapse before the boot
> +			sequence can be marked as completed.

+			in milliseconds.

> +
>  	rcupdate.rcu_cpu_stall_ftrace_dump= [KNL]
>  			Dump ftrace buffer after reporting RCU CPU
>  			stall warning.

-- 
~Randy