[dpdk-dev] [PATCH v4] kernel/linux: remove igb_uio
Thomas Monjalon
thomas at monjalon.net
Tue Oct 6 12:54:00 CEST 2020
06/10/2020 12:16, Ferruh Yigit:
> On 10/5/2020 10:42 AM, Thomas Monjalon wrote:
> > As decided in the Technical Board in November 2019,
> > the kernel module igb_uio is moved to the dpdk-kmods repository
> > in the /linux/igb_uio/ directory.
[...]
> Patch doesn't apply cleanly, not sure why, CI seems having same problem:
> http://mails.dpdk.org/archives/test-report/2020-October/156378.html
That's because I used --irreversible-delete to minimize the size of the patch.
[...]
> > 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``.
> > + ``vfio-pci`` kernel module rather than any UIO-based module.
> > For more details see :ref:`linux_gsg_binding_kernel` below.
>
> Should we change the order of the kernel drivers, currently first section is
> "UIO" and second section is "VFIO". Since we encoruage vfio and move igb_uio out
> of the repo, should we list the "VfIO" first?
Absolutely.
In general we need to encourage more VFIO and remove some references
to igb_uio. But I don't want to do such "marketing" change in this patch.
The goal of this patch is just to move the code.
[...]
> > +* kernel: The module ``igb_uio`` has been moved to the git repository
> > +``dpdk-kmods`` in a new directory ``linux/igb_uio``.
> > +
>
> Doc build giving warning on this:
> WARNING: Bullet list ends without a blank line; unexpected unindent.
Probably a merge issue. That's fine on my side.
> Except from above minor comments looks good to me,
> Reviewed-by: Ferruh Yigit <ferruh.yigit at intel.com>
Do we agree I can merge without any change?
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