[PATCH v3] usertools: add check for IOMMU support in dpdk-devbind

[Stephen Hemminger]

On Mon, 21 Mar 2022 17:27:27 +0500
Fidaullah Noonari <fidaullah.noonari at emumba.com> wrote:

> binding with vfio driver, when IOMMU is disabled, causes program to crash.
> this patch adds a flag for noiommmu-mode. when this is set, if IOMMU is
> disabled, it changes vfio into unsafe noiommu mode and prints warning
> message.
> 
> Signed-off-by: Fidaullah Noonari <fidaullah.noonari at emumba.com>
> ---

Minor indentation issues reported by flake8 python checker:

./usertools/dpdk-devbind.py:489:27: E231 missing whitespace after ','
./usertools/dpdk-devbind.py:494:17: E128 continuation line under-indented for visual indent
./usertools/dpdk-devbind.py:507:17: E128 continuation line under-indented for visual indent