linux-kernel - Re: [tip:irq/core] genirq: switch /proc/irq/*/spurious to seq

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Date:	Fri, 20 Nov 2009 11:19:49 +0100
From:	Ingo Molnar <mingo@...e.hu>
To:	Alexey Dobriyan <adobriyan@...il.com>
Cc:	linux-tip-commits@...r.kernel.org, linux-kernel@...r.kernel.org,
	hpa@...or.com, mingo@...hat.com, akpm@...ux-foundation.org,
	tglx@...utronix.de
Subject: Re: [tip:irq/core] genirq: switch /proc/irq/*/spurious to seq_file


* Alexey Dobriyan <adobriyan@...il.com> wrote:

> On Wed, Nov 18, 2009 at 11:54:34AM +0000, tip-bot for Alexey Dobriyan wrote:
> > --- a/kernel/irq/proc.c
> > +++ b/kernel/irq/proc.c
> > @@ -148,18 +148,28 @@ static const struct file_operations default_affinity_proc_fops = {
> >  };
> >  #endif
> >  
> > -static int irq_spurious_read(char *page, char **start, off_t off,
> > -				  int count, int *eof, void *data)
> > +static int irq_spurious_proc_show(struct seq_file *m, void *v)
> >  {
> > -	struct irq_desc *desc = irq_to_desc((long) data);
> > -	return sprintf(page, "count %u\n"
> > -			     "unhandled %u\n"
> > -			     "last_unhandled %u ms\n",
> > -			desc->irq_count,
> > -			desc->irqs_unhandled,
> > -			jiffies_to_msecs(desc->last_unhandled));
> > +	struct irq_desc *desc = irq_to_desc((long) m->private);
> 						   ^^^^^^^^^^
> > +
> > +	seq_printf(m, "count %u\n" "unhandled %u\n" "last_unhandled %u ms\n",
> > +		   desc->irq_count, desc->irqs_unhandled,
> > +		   jiffies_to_msecs(desc->last_unhandled));
> > +	return 0;
> > +}
> > +
> > +static int irq_spurious_proc_open(struct inode *inode, struct file *file)
> > +{
> > +	return single_open(file, irq_spurious_proc_show, NULL);
> 
> Oops, there has to be PDE(inode)->data instead of NULL.

Send a patch please.

Thanks,

	Ingo
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