On 2014/10/27 17:37, Peter Maydell wrote: > On 25 October 2014 09:24, john.liuli <john.li...@huawei.com> wrote: >> To get the interrupt reason to support such VIRTIO_NET_F_STATUS >> features I add a new register offset VIRTIO_MMIO_ISRMEM which >> will help to establish a shared memory region between qemu and >> virtio-mmio device. Then the interrupt reason can be accessed by >> guest driver through this region. At the same time, the virtio-mmio >> dirver check this region to see irqfd is supported or not during >> the irq handler registration, and different handler will be assigned. > > If you want to add a new register you should probably propose > an update to the virtio spec. However, it seems to me it would > be better to get generic PCI/PCIe working on the ARM virt > board instead; then we can let virtio-mmio quietly fade away. > This has been on the todo list for ages (and there have been > RFC patches posted for plain PCI), it's just nobody's had time > to work on it. > > thanks > -- PMM >
So you mean virtio-mmio will be replaced by PCI/PCIe on ARM at last? If so, let this patch go with the wind:). Thx. Li. > . >
