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

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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: Ingo Molnar <mingo@elte.hu>
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
This commit is contained in:
Ingo Molnar 2006-06-29 02:24:42 -07:00 committed by Linus Torvalds
parent 71d218b75f
commit 4a733ee126
2 changed files with 12 additions and 13 deletions
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5
include/linux/irq.h
View file

@ -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];

20
kernel/irq/proc.c
View file

@ -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)