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authorThomas Gleixner <tglx@linutronix.de>2010-12-16 11:59:57 -0500
committerThomas Gleixner <tglx@linutronix.de>2011-03-12 08:12:01 -0500
commit517e49815677b43b26d3167aadca83919ef36a45 (patch)
tree948c9ce45775b5cc04e06384262c002550618262 /arch/x86/kernel/irq.c
parent1a0e62a49ad417712cfa79a395f6c39f67aadb44 (diff)
x86: Use generic show_interrupts
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Diffstat (limited to 'arch/x86/kernel/irq.c')
-rw-r--r--arch/x86/kernel/irq.c57
1 files changed, 2 insertions, 55 deletions
diff --git a/arch/x86/kernel/irq.c b/arch/x86/kernel/irq.c
index 00bf99df583c..5ee693faa111 100644
--- a/arch/x86/kernel/irq.c
+++ b/arch/x86/kernel/irq.c
@@ -44,9 +44,9 @@ void ack_bad_irq(unsigned int irq)
44 44
45#define irq_stats(x) (&per_cpu(irq_stat, x)) 45#define irq_stats(x) (&per_cpu(irq_stat, x))
46/* 46/*
47 * /proc/interrupts printing: 47 * /proc/interrupts printing for arch specific interrupts
48 */ 48 */
49static int show_other_interrupts(struct seq_file *p, int prec) 49int arch_show_interrupts(struct seq_file *p, int prec)
50{ 50{
51 int j; 51 int j;
52 52
@@ -122,59 +122,6 @@ static int show_other_interrupts(struct seq_file *p, int prec)
122 return 0; 122 return 0;
123} 123}
124 124
125int show_interrupts(struct seq_file *p, void *v)
126{
127 unsigned long flags, any_count = 0;
128 int i = *(loff_t *) v, j, prec;
129 struct irqaction *action;
130 struct irq_desc *desc;
131
132 if (i > nr_irqs)
133 return 0;
134
135 for (prec = 3, j = 1000; prec < 10 && j <= nr_irqs; ++prec)
136 j *= 10;
137
138 if (i == nr_irqs)
139 return show_other_interrupts(p, prec);
140
141 /* print header */
142 if (i == 0) {
143 seq_printf(p, "%*s", prec + 8, "");
144 for_each_online_cpu(j)
145 seq_printf(p, "CPU%-8d", j);
146 seq_putc(p, '\n');
147 }
148
149 desc = irq_to_desc(i);
150 if (!desc)
151 return 0;
152
153 raw_spin_lock_irqsave(&desc->lock, flags);
154 for_each_online_cpu(j)
155 any_count |= kstat_irqs_cpu(i, j);
156 action = desc->action;
157 if (!action && !any_count)
158 goto out;
159
160 seq_printf(p, "%*d: ", prec, i);
161 for_each_online_cpu(j)
162 seq_printf(p, "%10u ", kstat_irqs_cpu(i, j));
163 seq_printf(p, " %8s", desc->irq_data.chip->name);
164 seq_printf(p, "-%-8s", desc->name);
165
166 if (action) {
167 seq_printf(p, " %s", action->name);
168 while ((action = action->next) != NULL)
169 seq_printf(p, ", %s", action->name);
170 }
171
172 seq_putc(p, '\n');
173out:
174 raw_spin_unlock_irqrestore(&desc->lock, flags);
175 return 0;
176}
177
178/* 125/*
179 * /proc/stat helpers 126 * /proc/stat helpers
180 */ 127 */