Hi,
An irqaction structure won't be added to the IRQ line irqaction list if they
don't agree wrt the IRQF_PERCPU flag. Only check and set this flag in IRQ
descriptor `status' field when the first irqaction is added to the line list.
Signed-off-by: Ahmed S. Darwish <[EMAIL PROTECTED]>
---
Patch over 2.6.21-rc5.
diff --git a/kernel/irq/manage.c b/kernel/irq/manage.c
index 5597c15..ea82a54 100644
--- a/kernel/irq/manage.c
+++ b/kernel/irq/manage.c
@@ -317,10 +317,7 @@ int setup_irq(unsigned int irq, struct irqaction *new)
}
*p = new;
-#if defined(CONFIG_IRQ_PER_CPU)
- if (new->flags & IRQF_PERCPU)
- desc->status |= IRQ_PER_CPU;
-#endif
+
/* Exclude IRQ from balancing */
if (new->flags & IRQF_NOBALANCING)
desc->status |= IRQ_NO_BALANCING;
@@ -328,6 +325,11 @@ int setup_irq(unsigned int irq, struct irqaction *new)
if (!shared) {
irq_chip_set_defaults(desc->chip);
+#if defined(CONFIG_IRQ_PER_CPU)
+ if (new->flags & IRQF_PERCPU)
+ desc->status |= IRQ_PER_CPU;
+#endif
+
/* Setup the type (level, edge polarity) if configured: */
if (new->flags & IRQF_TRIGGER_MASK) {
if (desc->chip && desc->chip->set_type)
--
Ahmed S. Darwish
http://darwish.07.googlepages.com
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