linux-kernel - Re: [PATCH] genirq/debugfs: Print irqdomain flags as human-readable strings

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Date: Wed, 29 May 2024 10:10:25 +0200
From: Thomas Gleixner <tglx@...utronix.de>
To: Jinjie Ruan <ruanjinjie@...wei.com>, linux-kernel@...r.kernel.org
Cc: ruanjinjie@...wei.com
Subject: Re: [PATCH] genirq/debugfs: Print irqdomain flags as human-readable
 strings

On Tue, May 28 2024 at 09:09, Jinjie Ruan wrote:
> This patch improves the readability of irqdomain debugging information in

git grep 'This patch' Documentation/process/

> debugfs by printing the flags field of domain files as human-readable
> strings instead of a raw bitmask, which aligned with the existing style
> used for irqchip flags in the irq debug files.
>  
> +struct irq_bit_descr {
> +	unsigned int	mask;
> +	char		*name;
> +};
> +
> +#define BIT_MASK_DESCR(m)	{ .mask = m, .name = #m }
> +
> +static inline void irq_debug_show_bits(struct seq_file *m, int ind,
> +				       unsigned int state,
> +				       const struct irq_bit_descr *sd, int size)
> +{
> +	int i;
> +
> +	for (i = 0; i < size; i++, sd++) {
> +		if (state & sd->mask)
> +			seq_printf(m, "%*s%s\n", ind + 12, "", sd->name);
> +	}
> +}

There is no point to inline this. Just keep it in debugfs.c and remove
the static.

Thanks,

        tglx