On Mon, 30 Mar 2015 13:35:07 -0700 Stephen Hemminger <stephen at networkplumber.org> wrote:
> This code around vfio in setup script looks incorrect, is anyone using it: > > 1. Why set the execute bit, when you want read-write? > Looks like a bug (or worse a security hole). > # make sure regular users can read /dev/vfio > echo "chmod /dev/vfio" > sudo chmod a+x /dev/vfio > > 3. Why depend on location of vfio module in kernel tree? > modprobe does the right thing and finds it. > > VFIO_PATH="kernel/drivers/vfio/pci/vfio-pci.ko" > > echo "Loading VFIO module" > /sbin/lsmod | grep -s vfio_pci > /dev/null > if [ $? -ne 0 ] ; then > if [ -f /lib/modules/$(uname -r)/$VFIO_PATH ] ; then > sudo /sbin/modprobe vfio-pci > fi > fi > > Never mind, it is fine. /dev/vfio is a directory and loading the module creates the directory.