Re: [PATCH net] selftests: mptcp: depends on built-in IPv6

From: Jakub Kicinski
Date: Wed Oct 21 2020 - 23:43:31 EST


On Wed, 21 Oct 2020 17:35:32 -0700 (PDT) Mat Martineau wrote:
> > Recently, CONFIG_MPTCP_IPV6 no longer selects CONFIG_IPV6. As a
> > consequence, if CONFIG_MPTCP_IPV6=y is added to the kconfig, it will no
> > longer ensure CONFIG_IPV6=y. If it is not enabled, CONFIG_MPTCP_IPV6
> > will stay disabled and selftests will fail.
> >
> > We also need CONFIG_IPV6 to be built-in. For more details, please see
> > commit 0ed37ac586c0 ("mptcp: depends on IPV6 but not as a module").
> >
> > Note that 'make kselftest-merge' will take all 'config' files found in
> > 'tools/testsing/selftests'. Because some of them already set
> > CONFIG_IPV6=y, MPTCP selftests were still passing. But they will fail if
> > MPTCP selftests are launched manually after having executed this command
> > to prepare the kernel config:
> >
> > ./scripts/kconfig/merge_config.sh -m .config \
> > ./tools/testing/selftests/net/mptcp/config
> >
> > Fixes: 010b430d5df5 ("mptcp: MPTCP_IPV6 should depend on IPV6 instead of selecting it")
> > Signed-off-by: Matthieu Baerts <matthieu.baerts@xxxxxxxxxxxx>
>
> Reviewed-by: Mat Martineau <mathew.j.martineau@xxxxxxxxxxxxxxx>

Applied, thank you!