linux-kernel - Re: [patch 14/18] printk: Adjust system

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Message-ID: <20170515105324.34326d8d@gandalf.local.home>
Date:   Mon, 15 May 2017 10:53:24 -0400
From:   Steven Rostedt <rostedt@...dmis.org>
To:     Thomas Gleixner <tglx@...utronix.de>
Cc:     LKML <linux-kernel@...r.kernel.org>,
        Peter Zijlstra <peterz@...radead.org>,
        Ingo Molnar <mingo@...nel.org>,
        Mark Rutland <mark.rutland@....com>
Subject: Re: [patch 14/18] printk: Adjust system_state checks

On Sun, 14 May 2017 20:27:30 +0200
Thomas Gleixner <tglx@...utronix.de> wrote:

> To enable smp_processor_id() and might_sleep() debug checks earlier, it's
> required to add system states between SYSTEM_BOOTING and SYSTEM_RUNNING.
> 
> Adjust the system_state check in boot_delay_msec() to handle the extra
> states.
> 
> Signed-off-by: Thomas Gleixner <tglx@...utronix.de>

Reviewed-by: Steven Rostedt (VMware) <rostedt@...dmis.org>

-- Steve

> ---
>  kernel/printk/printk.c |    2 +-
>  1 file changed, 1 insertion(+), 1 deletion(-)
> 
> --- a/kernel/printk/printk.c
> +++ b/kernel/printk/printk.c
> @@ -1176,7 +1176,7 @@ static void boot_delay_msec(int level)
>  	unsigned long long k;
>  	unsigned long timeout;
>  
> -	if ((boot_delay == 0 || system_state != SYSTEM_BOOTING)
> +	if ((boot_delay == 0 || system_state >= SYSTEM_RUNNING)
>  		|| suppress_message_printing(level)) {
>  		return;
>  	}
>