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H A D | config | diff 287d35405989cfe0090e3059f7788dc531879a8d Wed Oct 21 17:55:49 CEST 2020 Matthieu Baerts <matthieu.baerts@tessares.net> selftests: mptcp: depends on built-in IPv6
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@tessares.net> Reviewed-by: Mat Martineau <mathew.j.martineau@linux.intel.com> Link: https://lore.kernel.org/r/20201021155549.933731-1-matthieu.baerts@tessares.net Signed-off-by: Jakub Kicinski <kuba@kernel.org>
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