X-Git-Url: http://git.droids-corp.org/?a=blobdiff_plain;f=doc%2Fguides%2Flinux_gsg%2Flinux_drivers.rst;h=08f7c9baaf5fad76a1fcf1f9a7a41448ed16d72e;hb=f6fadc3e6310;hp=b3525c0b297554798e13c718a546bb5b99c1b1f2;hpb=0db52e6694bfcf2f0c1437ebdcb97b34864efba0;p=dpdk.git diff --git a/doc/guides/linux_gsg/linux_drivers.rst b/doc/guides/linux_gsg/linux_drivers.rst index b3525c0b29..08f7c9baaf 100644 --- a/doc/guides/linux_gsg/linux_drivers.rst +++ b/doc/guides/linux_gsg/linux_drivers.rst @@ -67,6 +67,13 @@ be loaded as shown below: For some devices which lack support for legacy interrupts, e.g. virtual function (VF) devices, the ``igb_uio`` module may be needed in place of ``uio_pci_generic``. +.. note:: + + If UEFI secure boot is enabled, the Linux kernel may disallow the use of + UIO on the system. Therefore, devices for use by DPDK should be bound to the + ``vfio-pci`` kernel module rather than ``igb_uio`` or ``uio_pci_generic``. + For more details see :ref:`linux_gsg_binding_kernel` below. + Since DPDK release 1.7 onward provides VFIO support, use of UIO is optional for platforms that support using VFIO.