[dpdk-dev] [PATCH] doc: Clarify IOMMU usage with "uio-pci" kernel module

Rami Rosen roszenrami at gmail.com
Tue Sep 4 21:55:07 CEST 2018


Hi Tone,
>if the devices for used DPDK bound to the ``uio-pci`` kernel module,
please make

The three kernel modules which can be used for DPDK binding are vfio-pci,
uio_pci_generic and igb_uio. Don't you mean here uio_pci_generic ?

Regards,
Rami Rosen


בתאריך יום ג׳, 4 בספט׳ 2018, 11:59, מאת tone.z

> When binding the devices used by DPDK to the "uio-pci" kernel module,
> the IOMMU should be disabled in order not to break the
> because of the virtual / physical address mapping.
>
> The patch clarifies the IOMMU configuration on both x86_64 and arm64
> systems.
>
> Signed-off-by: tone.zhang <tone.zhang at arm.com>
> ---
>  doc/guides/linux_gsg/linux_drivers.rst | 7 +++++++
>  1 file changed, 7 insertions(+)
>
> diff --git a/doc/guides/linux_gsg/linux_drivers.rst
> b/doc/guides/linux_gsg/linux_drivers.rst
> index 371a817..8f9ec8f 100644
> --- a/doc/guides/linux_gsg/linux_drivers.rst
> +++ b/doc/guides/linux_gsg/linux_drivers.rst
> @@ -48,6 +48,13 @@ be loaded as shown below:
>     ``vfio-pci``
> 2.7.4
>
>


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