Messages in this thread Patch in this message | | | Date | Mon, 26 Mar 2007 21:14:55 +0200 | Subject | [PATCH] IRQ: Check for PERCPU flag only when adding first irqaction. | From | "Ahmed S. Darwish" <> |
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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 <darwish.07@gmail.com> ---
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 - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
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