Jeu 25 juil 2019, à 10:05, David Marchand a écrit : > On Wed, Jul 24, 2019 at 6:46 PM Anatoly Burakov > <anatoly.bura...@intel.com> wrote: > > > > When IOMMU is not available, /sys/kernel/iommu_groups will not be > > populated. This is happening since at least 3.6 when VFIO support > > was added. If the directory is empty, EAL should not pick IOVA as > > VA as the default IOVA mode. > > > > We also assume that VFIO equals IOMMU, so if VFIO support is not > > compiled, we always assume IOMMU support is not available. > > Not sure I agree with this statement. > What about unknown (from eal pov) kernel drivers?
Exactly, this is the case of Mellanox drivers.
