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Commit bb2166c8 authored by Linus Torvalds's avatar Linus Torvalds
Browse files

Merge branch 'irq-core-for-linus' of... 

Merge branch 'irq-core-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/linux-2.6-tip

* 'irq-core-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/linux-2.6-tip:
  genirq: Fix spurious irq seqfile conversion
  genirq: switch /proc/irq/*/spurious to seq_file
  irq: Do not attempt to create subdirectories if /proc/irq/<irq> failed
  irq: Remove unused debug_poll_all_shared_irqs()
  irq: Fix docbook comments
  irq: trivial: Fix typo in comment for #endif
parents 0bf7969f 34769945

include/linux/interrupt.h

+0 −6
Original line number Diff line number Diff line
@@ -603,12 +603,6 @@ static inline void init_irq_proc(void) 
}

#endif



#if defined(CONFIG_GENERIC_HARDIRQS) && defined(CONFIG_DEBUG_SHIRQ)

extern void debug_poll_all_shared_irqs(void);

#else

static inline void debug_poll_all_shared_irqs(void) { }

#endif



struct seq_file;

int show_interrupts(struct seq_file *p, void *v);

include/linux/irqflags.h

+1 −1
Original line number Diff line number Diff line
@@ -124,6 +124,6 @@ 
	typecheck(unsigned long, flags);	\

	raw_irqs_disabled_flags(flags);		\

})

#endif		/* CONFIG_X86 */

#endif /* CONFIG_TRACE_IRQFLAGS_SUPPORT */



#endif

kernel/irq/chip.c

+3 −3
Original line number Diff line number Diff line
@@ -166,11 +166,11 @@ int set_irq_data(unsigned int irq, void *data) 
EXPORT_SYMBOL(set_irq_data);



/**

 *	set_irq_data - set irq type data for an irq

 *	set_irq_msi - set MSI descriptor data for an irq

 *	@irq:	Interrupt number

 *	@entry:	Pointer to MSI descriptor data

 *

 *	Set the hardware irq controller data for an irq

 *	Set the MSI descriptor entry for an irq

 */

int set_irq_msi(unsigned int irq, struct msi_desc *entry)

{
@@ -590,7 +590,7 @@ handle_edge_irq(unsigned int irq, struct irq_desc *desc) 
}



/**

 *	handle_percpu_IRQ - Per CPU local irq handler

 *	handle_percpu_irq - Per CPU local irq handler

 *	@irq:	the interrupt number

 *	@desc:	the interrupt description structure for this irq

 *

kernel/irq/proc.c

+24 −16
Original line number Diff line number Diff line
@@ -136,7 +136,7 @@ static ssize_t default_affinity_write(struct file *file, 


static int default_affinity_open(struct inode *inode, struct file *file)

{

	return single_open(file, default_affinity_show, NULL);

	return single_open(file, default_affinity_show, PDE(inode)->data);

}



static const struct file_operations default_affinity_proc_fops = {
@@ -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,

	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);

}



static const struct file_operations irq_spurious_proc_fops = {

	.open		= irq_spurious_proc_open,

	.read		= seq_read,

	.llseek		= seq_lseek,

	.release	= single_release,

};



#define MAX_NAMELEN 128



static int name_unique(unsigned int irq, struct irqaction *new_action)
@@ -204,7 +214,6 @@ void register_handler_proc(unsigned int irq, struct irqaction *action) 
void register_irq_proc(unsigned int irq, struct irq_desc *desc)

{

	char name [MAX_NAMELEN];

	struct proc_dir_entry *entry;



	if (!root_irq_dir || (desc->chip == &no_irq_chip) || desc->dir)

		return;
@@ -214,6 +223,8 @@ void register_irq_proc(unsigned int irq, struct irq_desc *desc) 


	/* create /proc/irq/1234 */

	desc->dir = proc_mkdir(name, root_irq_dir);

	if (!desc->dir)

		return;



#ifdef CONFIG_SMP

	/* create /proc/irq/<irq>/smp_affinity */
@@ -221,11 +232,8 @@ void register_irq_proc(unsigned int irq, struct irq_desc *desc) 
			 &irq_affinity_proc_fops, (void *)(long)irq);

#endif



	entry = create_proc_entry("spurious", 0444, desc->dir);

	if (entry) {

		entry->data = (void *)(long)irq;

		entry->read_proc = irq_spurious_read;

	}

	proc_create_data("spurious", 0444, desc->dir,

			 &irq_spurious_proc_fops, (void *)(long)irq);

}



#undef MAX_NAMELEN

kernel/irq/spurious.c

+1 −13
Original line number Diff line number Diff line
@@ -104,7 +104,7 @@ static int misrouted_irq(int irq) 
	return ok;

}



static void poll_all_shared_irqs(void)

static void poll_spurious_irqs(unsigned long dummy)

{

	struct irq_desc *desc;

	int i;
@@ -125,23 +125,11 @@ static void poll_all_shared_irqs(void) 
		try_one_irq(i, desc);

		local_irq_enable();

	}

}



static void poll_spurious_irqs(unsigned long dummy)

{

	poll_all_shared_irqs();



	mod_timer(&poll_spurious_irq_timer,

		  jiffies + POLL_SPURIOUS_IRQ_INTERVAL);

}



#ifdef CONFIG_DEBUG_SHIRQ

void debug_poll_all_shared_irqs(void)

{

	poll_all_shared_irqs();

}

#endif



/*

 * If 99,900 of the previous 100,000 interrupts have not been handled

 * then assume that the IRQ is stuck in some manner. Drop a diagnostic