Donate to e Foundation | Murena handsets with /e/OS | Own a part of Murena! Learn more

Commit 4a733ee1 authored by Ingo Molnar's avatar Ingo Molnar Committed by Linus Torvalds
Browse files

[PATCH] genirq: cleanup: merge irq_dir[], smp_affinity_entry[] into irq_desc[] 



Consolidation: remove the irq_dir[NR_IRQS] and the smp_affinity_entry[NR_IRQS]
arrays and move them into the irq_desc[] array.

Signed-off-by: default avatarIngo Molnar <mingo@elte.hu>
Signed-off-by: default avatarThomas Gleixner <tglx@linutronix.de>
Signed-off-by: default avatarAndrew Morton <akpm@osdl.org>
Signed-off-by: default avatarLinus Torvalds <torvalds@osdl.org>
parent 71d218b7

include/linux/irq.h

+5 −0
Original line number Diff line number Diff line
@@ -61,6 +61,8 @@ struct hw_interrupt_type { 


typedef struct hw_interrupt_type  hw_irq_controller;



struct proc_dir_entry;



/*

 * This is the "IRQ descriptor", which contains various information

 * about the irq, including what kind of hardware handling it has,
@@ -83,6 +85,9 @@ struct irq_desc { 
#if defined(CONFIG_GENERIC_PENDING_IRQ) || defined(CONFIG_IRQBALANCE)

	unsigned int		move_irq;	/* need to re-target IRQ dest */

#endif

#ifdef CONFIG_PROC_FS

	struct proc_dir_entry *dir;

#endif

} ____cacheline_aligned;



extern struct irq_desc irq_desc[NR_IRQS];

kernel/irq/proc.c

+7 −13
Original line number Diff line number Diff line
@@ -12,15 +12,10 @@ 


#include "internals.h"



static struct proc_dir_entry *root_irq_dir, *irq_dir[NR_IRQS];

static struct proc_dir_entry *root_irq_dir;



#ifdef CONFIG_SMP



/*

 * The /proc/irq/<irq>/smp_affinity values:

 */

static struct proc_dir_entry *smp_affinity_entry[NR_IRQS];



#ifdef CONFIG_GENERIC_PENDING_IRQ

void proc_set_irq_affinity(unsigned int irq, cpumask_t mask_val)

{
@@ -102,7 +97,7 @@ void register_handler_proc(unsigned int irq, struct irqaction *action) 
{

	char name [MAX_NAMELEN];



	if (!irq_dir[irq] || action->dir || !action->name ||

	if (!irq_desc[irq].dir || action->dir || !action->name ||

					!name_unique(irq, action))

		return;
@@ -110,7 +105,7 @@ void register_handler_proc(unsigned int irq, struct irqaction *action) 
	snprintf(name, MAX_NAMELEN, "%s", action->name);



	/* create /proc/irq/1234/handler/ */

	action->dir = proc_mkdir(name, irq_dir[irq]);

	action->dir = proc_mkdir(name, irq_desc[irq].dir);

}



#undef MAX_NAMELEN
@@ -123,21 +118,21 @@ void register_irq_proc(unsigned int irq) 


	if (!root_irq_dir ||

		(irq_desc[irq].chip == &no_irq_type) ||

			irq_dir[irq])

			irq_desc[irq].dir)

		return;



	memset(name, 0, MAX_NAMELEN);

	sprintf(name, "%d", irq);



	/* create /proc/irq/1234 */

	irq_dir[irq] = proc_mkdir(name, root_irq_dir);

	irq_desc[irq].dir = proc_mkdir(name, root_irq_dir);



#ifdef CONFIG_SMP

	{

		struct proc_dir_entry *entry;



		/* create /proc/irq/<irq>/smp_affinity */

		entry = create_proc_entry("smp_affinity", 0600, irq_dir[irq]);

		entry = create_proc_entry("smp_affinity", 0600, irq_desc[irq].dir);



		if (entry) {

			entry->nlink = 1;
@@ -145,7 +140,6 @@ void register_irq_proc(unsigned int irq) 
			entry->read_proc = irq_affinity_read_proc;

			entry->write_proc = irq_affinity_write_proc;

		}

		smp_affinity_entry[irq] = entry;

	}

#endif

}
@@ -155,7 +149,7 @@ void register_irq_proc(unsigned int irq) 
void unregister_handler_proc(unsigned int irq, struct irqaction *action)

{

	if (action->dir)

		remove_proc_entry(action->dir->name, irq_dir[irq]);

		remove_proc_entry(action->dir->name, irq_desc[irq].dir);

}



void init_irq_proc(void)