* Alex Williamson (alex.williamson@xxxxxxxxxx) wrote: > On Wed, 2010-05-19 at 12:00 -0700, Chris Wright wrote: > > When libvirt launches a guest it first chowns the relevenat > > /sys/bus/pci/.../config file for an assigned device then drops privileges. > > > > This causes an issue for device assignment because despite being file > > owner, the sysfs config space file checks for CAP_SYS_ADMIN before > > allowing access to device dependent config space. > > > > This adds a new qdev configfd property which allows libvirt to open the > > sysfs config space file and give qemu an already opened file descriptor. > > Along with a change pending for the 2.6.35 kernel, this allows the > > capability check to compare against privileges from when the file was > > opened. > > We need to make configfd be a string option so that we can pass a > descriptor from libvirt for the hotplug case. Here's a rework. ACK, thanks. -- 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
