[PATCH v4 5/5] printk/nmi: flush NMI messages on the system panic

Sergey Senozhatsky sergey.senozhatsky.work at gmail.com
Mon Apr 4 14:52:00 AEST 2016


Hello,

On (03/31/16 14:36), Petr Mladek wrote:
[..]
>  #ifdef CONFIG_PRINTK_NMI
> +#define deferred_console_in_nmi() in_nmi()
>  #else
> +#define deferred_console_in_nmi() 0
[..]
> +	if (!in_sched && !deferred_console_in_nmi()) {
>  		lockdep_off();
>  		/*
>  		 * Try to acquire and then immediately release the console

or use SCHED level for nmi messages instead of defining deferred_console_in_nmi()?
so !in_sched will work for both SCHED and NMI messages.

	-ss


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