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[patch 14/18] printk: Adjust system_state checks

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  [patch 14/18] printk: Adjust system_state checks Thomas Gleixner <tglx@linutronix.de> - 2017-05-14 20:40 +0200
    Re: [patch 14/18] printk: Adjust system_state checks Steven Rostedt <rostedt@goodmis.org> - 2017-05-15 17:00 +0200

#1641178 — [patch 14/18] printk: Adjust system_state checks

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@linutronix.de>
---
 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;
 	}

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#1641784

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

Reviewed-by: Steven Rostedt (VMware) <rostedt@goodmis.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;
>  	}
> 

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