On Wed, Oct 18, 2017 at 11:48:11AM +0200, Paolo Bonzini wrote: > On 18/10/2017 07:57, Zhong Yang wrote: > > Your suggestion can avoid DMA target to nvdimm if the nvdimm memory region > > was skipped during VFIO hotplug. It is valuable to try this solution. by > > the > > way, please share me some clue for PCI address space related with memory > > region, > > below address_space_mem is right? Many thanks! > > > > static void pci_bus_init(PCIBus *bus, DeviceState *parent, > > MemoryRegion *address_space_mem, > > MemoryRegion *address_space_io, > > uint8_t devfn_min) > > Yes. You would have to add the region directly to the CPU address > space, and not to address_space_memory (which is included in both the > CPU and PCI address spaces). > > Paolo Thanks Paolo for your great help! I will try this solution in next week, thanks again.
Regards, Yang
