Re: [PATCH v11 03/10] genirq/irq: introduce msi_doorbell_info

2016-07-19 Thread Thomas Gleixner
On Tue, 19 Jul 2016, Eric Auger wrote: > > +/* Describe all the MSI doorbell regions for an irqchip */ > +struct irq_chip_msi_doorbell_info { > + union { > + phys_addr_t __percpu *percpu_doorbells; > + phys_addr_t global_doorbell; > + }; > + bool

[PATCH v11 03/10] genirq/irq: introduce msi_doorbell_info

2016-07-19 Thread Eric Auger
From: Eric Auger The purpose is to be able to retrieve the MSI doorbells of an irqchip. This is now needed since on some platforms those doorbells must be iommu mapped (in case the MSIs transit through an IOMMU that do not bypass those transactions). The assumption is