If the interrupt has been disabled, don't call the force_interrupt provider. Doing so can result in an infinite runaway interrupt loop. Signed-off-by: Mike Habeck <habeck@xxxxxxx> --- This patch is based off the aegl/linux-2.6.git tree. arch/ia64/sn/kernel/irq.c | 5 ++++- 1 file changed, 4 insertions(+), 1 deletion(-) Index: linux-2.6/arch/ia64/sn/kernel/irq.c =================================================================== --- linux-2.6.orig/arch/ia64/sn/kernel/irq.c 2007-08-13 13:26:56.000000000 -0500 +++ linux-2.6/arch/ia64/sn/kernel/irq.c 2007-08-13 15:28:39.102454968 -0500 @@ -398,7 +398,10 @@ sn_call_force_intr_provider(struct sn_ir struct sn_pcibus_provider *pci_provider; pci_provider = sn_pci_provider[sn_irq_info->irq_bridge_type]; - if (pci_provider && pci_provider->force_interrupt) + + /* Don't force an interrupt if the irq has been disabled */ + if (!(irq_desc[sn_irq_info->irq_irq].status & IRQ_DISABLED) && + pci_provider && pci_provider->force_interrupt) (*pci_provider->force_interrupt)(sn_irq_info); } - To unsubscribe from this list: send the line "unsubscribe linux-ia64" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
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