Christoph Hellwig
2022-Dec-06 08:47 UTC
[PATCH v2 01/11] genirq/affinity:: Export irq_create_affinity_masks()
On Tue, Dec 06, 2022 at 04:40:37PM +0800, Yongji Xie wrote:> With the vDPA framework, some drivers (vduse, vdpa-sim) can create > software-defined virtio devices and attach them to the virtio bus. > This kind of virtio device is not a pci device or a platform device. > So it would be needed to export this function if we want to implement > the automatic affinity management for the virtio device driver which > is binded to this device.Why are these devices even using interrupts? The whjole vdpa thing is a mess, I also still need to fix up the horrible abuse of the DMA API for something that isn't even DMA, and this just seems to spread that same mistake even further.