On 2014/12/12 1:13, Xie, Huawei wrote: >> >> Only support one vhost-user port ? > > Do you mean vhost server by "port"? > If that is the case, yes, now only one vhost server is supported for multiple > virtio devices. > As stated in the cover letter, we have requirement and plan for multiple > server support, > though I am not sure if it is absolutely necessary. > I think if you also want to suport client mode (qemu as server) is necessary to implement multiple server.
>> >> Can you mmap the region if gpa is 0? When i run VM with two numa node (qemu >> will create two hugepage file) found that always failed to mmap with the >> region >> which gpa is 0. > > Current implementation doesn't assume there is only one huge page file to > back the guest memory. > It maps every region using the fd of that region. > Could you please paste your guest VM command line here? > >> >> BTW can we ensure the memory regions cover with all the memory of hugepage >> for VM? > > I think so, because virtio devices could use any normal guest memory, but we > needn't ensure that. > We only need to map the region passed to us from qemu vhost, which should be > enough to translate > the GPA in vring from virtio in guest, otherwise it is the bug of qemu vhost. > > -- Regards, Haifeng
