Benjamin Poirier <benjamin.poir...@gmail.com> writes:
> On 2024-04-24 18:37 +0100, Simon Horman wrote:
>> On Wed, Apr 24, 2024 at 05:44:05PM +0100, Simon Horman wrote:
>> > Hi Aaron, Jakub, all,
>> >
>> > I have recently been exercising the Open vSwitch kernel selftests,
>> > using vng, something like this:
>> >
>> > TESTDIR="tools/testing/selftests/net/openvswitch"
>> >
>> > vng -v --run . --user root --cpus 2 \
>> > --overlay-rwdir "$PWD" -- \
>> > "modprobe openvswitch && \
>> > echo \"timeout=90\" >> \"${TESTDIR}/settings\" && \
>> > make -C \"$TESTDIR\" run_tests"
>> >
>> > And I have some observations that I'd like to ask about.
>> >
>> > 1. Building the kernel using the following command does not
>> > build the openvswitch kernel module.
>> >
>> > vng -v --build \
>> > --config tools/testing/selftests/net/config
>> >
>> > All that seems to be missing is CONFIG_OPENVSWITCH=m
>> > and I am wondering what the best way of resolving this is.
>> >
>> > Perhaps I am doing something wrong.
>> > Or perhaps tools/testing/selftests/net/openvswitch/config
>> > should be created? If so, should it include (most of?) what is in
>> > tools/testing/selftests/net/config, or just CONFIG_OPENVSWITCH=m?
>
> I noticed something similar when testing Jiri's virtio_net selftests
> patchset [1].
>
> drivers/net/virtio_net/config includes virtio options but the
> test also needs at least CONFIG_NET_VRF=y which is part of net/config.
>
> Whatever the answer to your question, all config files should be
> coherent on this matter.
>
> [1] https://lore.kernel.org/netdev/20240424104049.3935572-1-j...@resnulli.us/
>
> [...]
>>
>> 5. openvswitch.sh starts with "#!/bin/sh".
>> But substitutions such as "${ns:0:1}0" fail if /bin/sh is dash.
>> Perhaps we should change openvswitch.sh to use bash?
>
> I think so. A similar change was done in
> c2518da8e6b0 selftests: bonding: Change script interpreter (v6.8-rc1)
+1 - I'm okay with it.
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