diff options
author | Jan Beulich <jbeulich@novell.com> | 2007-10-17 12:04:40 -0400 |
---|---|---|
committer | Thomas Gleixner <tglx@inhelltoy.tec.linutronix.de> | 2007-10-17 14:16:54 -0400 |
commit | 072f5d82b58cba760191393a6a99fd1123c76e67 (patch) | |
tree | 8b0bd815aed4a466d7747ddacc4105e13316f4f4 /arch/x86/kernel | |
parent | 38e760a1335ffaca5a08624a9aed6fe2055c2c98 (diff) |
x86: also show non-zero IRQ counts for vectors that currently don't have a handler
It doesn't seem to make sense to hide these, even if their counts
can't change at the point in time they're being displayed.
[ tglx: arch/x86 adaptation ]
Signed-off-by: Jan Beulich <jbeulich@novell.com>
Signed-off-by: Andi Kleen <ak@suse.de>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Diffstat (limited to 'arch/x86/kernel')
-rw-r--r-- | arch/x86/kernel/irq_32.c | 18 | ||||
-rw-r--r-- | arch/x86/kernel/irq_64.c | 18 |
2 files changed, 28 insertions, 8 deletions
diff --git a/arch/x86/kernel/irq_32.c b/arch/x86/kernel/irq_32.c index 10f359021aae..d3fde94f7345 100644 --- a/arch/x86/kernel/irq_32.c +++ b/arch/x86/kernel/irq_32.c | |||
@@ -255,9 +255,17 @@ int show_interrupts(struct seq_file *p, void *v) | |||
255 | } | 255 | } |
256 | 256 | ||
257 | if (i < NR_IRQS) { | 257 | if (i < NR_IRQS) { |
258 | unsigned any_count = 0; | ||
259 | |||
258 | spin_lock_irqsave(&irq_desc[i].lock, flags); | 260 | spin_lock_irqsave(&irq_desc[i].lock, flags); |
261 | #ifndef CONFIG_SMP | ||
262 | any_count = kstat_irqs(i); | ||
263 | #else | ||
264 | for_each_online_cpu(j) | ||
265 | any_count |= kstat_cpu(j).irqs[i]; | ||
266 | #endif | ||
259 | action = irq_desc[i].action; | 267 | action = irq_desc[i].action; |
260 | if (!action) | 268 | if (!action && !any_count) |
261 | goto skip; | 269 | goto skip; |
262 | seq_printf(p, "%3d: ",i); | 270 | seq_printf(p, "%3d: ",i); |
263 | #ifndef CONFIG_SMP | 271 | #ifndef CONFIG_SMP |
@@ -268,10 +276,12 @@ int show_interrupts(struct seq_file *p, void *v) | |||
268 | #endif | 276 | #endif |
269 | seq_printf(p, " %8s", irq_desc[i].chip->name); | 277 | seq_printf(p, " %8s", irq_desc[i].chip->name); |
270 | seq_printf(p, "-%-8s", irq_desc[i].name); | 278 | seq_printf(p, "-%-8s", irq_desc[i].name); |
271 | seq_printf(p, " %s", action->name); | ||
272 | 279 | ||
273 | for (action=action->next; action; action = action->next) | 280 | if (action) { |
274 | seq_printf(p, ", %s", action->name); | 281 | seq_printf(p, " %s", action->name); |
282 | while ((action = action->next) != NULL) | ||
283 | seq_printf(p, ", %s", action->name); | ||
284 | } | ||
275 | 285 | ||
276 | seq_putc(p, '\n'); | 286 | seq_putc(p, '\n'); |
277 | skip: | 287 | skip: |
diff --git a/arch/x86/kernel/irq_64.c b/arch/x86/kernel/irq_64.c index 3881189df8ee..6b5c730d67b9 100644 --- a/arch/x86/kernel/irq_64.c +++ b/arch/x86/kernel/irq_64.c | |||
@@ -62,9 +62,17 @@ int show_interrupts(struct seq_file *p, void *v) | |||
62 | } | 62 | } |
63 | 63 | ||
64 | if (i < NR_IRQS) { | 64 | if (i < NR_IRQS) { |
65 | unsigned any_count = 0; | ||
66 | |||
65 | spin_lock_irqsave(&irq_desc[i].lock, flags); | 67 | spin_lock_irqsave(&irq_desc[i].lock, flags); |
68 | #ifndef CONFIG_SMP | ||
69 | any_count = kstat_irqs(i); | ||
70 | #else | ||
71 | for_each_online_cpu(j) | ||
72 | any_count |= kstat_cpu(j).irqs[i]; | ||
73 | #endif | ||
66 | action = irq_desc[i].action; | 74 | action = irq_desc[i].action; |
67 | if (!action) | 75 | if (!action && !any_count) |
68 | goto skip; | 76 | goto skip; |
69 | seq_printf(p, "%3d: ",i); | 77 | seq_printf(p, "%3d: ",i); |
70 | #ifndef CONFIG_SMP | 78 | #ifndef CONFIG_SMP |
@@ -76,9 +84,11 @@ int show_interrupts(struct seq_file *p, void *v) | |||
76 | seq_printf(p, " %8s", irq_desc[i].chip->name); | 84 | seq_printf(p, " %8s", irq_desc[i].chip->name); |
77 | seq_printf(p, "-%-8s", irq_desc[i].name); | 85 | seq_printf(p, "-%-8s", irq_desc[i].name); |
78 | 86 | ||
79 | seq_printf(p, " %s", action->name); | 87 | if (action) { |
80 | for (action=action->next; action; action = action->next) | 88 | seq_printf(p, " %s", action->name); |
81 | seq_printf(p, ", %s", action->name); | 89 | while ((action = action->next) != NULL) |
90 | seq_printf(p, ", %s", action->name); | ||
91 | } | ||
82 | seq_putc(p, '\n'); | 92 | seq_putc(p, '\n'); |
83 | skip: | 93 | skip: |
84 | spin_unlock_irqrestore(&irq_desc[i].lock, flags); | 94 | spin_unlock_irqrestore(&irq_desc[i].lock, flags); |