On Tue, 19 Jul 2016, Eric Auger wrote: > +bool msi_doorbell_safe(void) > +{ > + struct irqchip_doorbell *db; > + bool irq_remapping = true; > + > + mutex_lock(&irqchip_doorbell_mutex); > + list_for_each_entry(db, &irqchip_doorbell_list, next) { > + irq_remapping &= db->info.irq_remapping;
db->info.irq_remapping is set in msi_doorbell_register(). So you can keep book about that there. No need to iterate here. Thanks, tglx _______________________________________________ iommu mailing list iommu@lists.linux-foundation.org https://lists.linuxfoundation.org/mailman/listinfo/iommu