Re: [RFC 2/2] printk: Add more information about the printk caller

[Ahmed S. Darwish]

On Wed, Sep 23, 2020 at 03:56:17PM +0200, Petr Mladek wrote:
...
>
> -static inline u32 printk_caller_id(void)
> +static enum printk_caller_ctx get_printk_caller_ctx(void)
> +{
> +	if (in_nmi())
> +		return printk_ctx_nmi;
> +
> +	if (in_irq())
> +		return printk_ctx_hardirq;
> +
> +	if (in_softirq())
> +		return printk_ctx_softirq;
> +
> +	return printk_ctx_task;
> +}
> +

in_softirq() here will be true for both softirq contexts *and*
BH-disabled regions. Did you mean in_serving_softirq() instead?

Thanks,

--
Ahmed S. Darwish
Linutronix GmbH