Alex, thanks. Yes, I'm talking about the pci device assignment. What about the vfio performance, close to the pci pass-through performance? Currently I'm trying to understand what's the behind thinking about the limited config space, security or sth else? Thx, Xuekun On Fri, Dec 13, 2013 at 10:55 AM, Alex Williamson <alex.williamson@xxxxxxxxxx> wrote: > On Fri, 2013-12-13 at 10:34 +0800, Xuekun Hu wrote: >> Hi, All >> >> I found qemu/kvm has limited pci config space exposed to guest device >> driver to access. I’m wondering is there any reason why not expose the >> whole pci config space to guest, since some kind of devices has >> special register in that area. > > If you're talking about device assignment, vfio allows access to all of > config space. Legacy KVM device assignment is deprecated. Thanks, > > Alex > -- To unsubscribe from this list: send the line "unsubscribe kvm" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
