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* [PATCH net] selftests: mptcp: depends on built-in IPv6
@ 2020-10-21 15:55 Matthieu Baerts
  2020-10-22  0:35 ` Mat Martineau
  0 siblings, 1 reply; 3+ messages in thread
From: Matthieu Baerts @ 2020-10-21 15:55 UTC (permalink / raw)
  To: Mat Martineau, Matthieu Baerts, David S. Miller, Jakub Kicinski,
	Shuah Khan, Geert Uytterhoeven
  Cc: netdev, mptcp, linux-kselftest, linux-kernel

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>
---
 tools/testing/selftests/net/mptcp/config | 1 +
 1 file changed, 1 insertion(+)

diff --git a/tools/testing/selftests/net/mptcp/config b/tools/testing/selftests/net/mptcp/config
index 8df5cb8f71ff..741a1c4f4ae8 100644
--- a/tools/testing/selftests/net/mptcp/config
+++ b/tools/testing/selftests/net/mptcp/config
@@ -1,4 +1,5 @@
 CONFIG_MPTCP=y
+CONFIG_IPV6=y
 CONFIG_MPTCP_IPV6=y
 CONFIG_INET_DIAG=m
 CONFIG_INET_MPTCP_DIAG=m
-- 
2.27.0


^ permalink raw reply	[flat|nested] 3+ messages in thread

* Re: [PATCH net] selftests: mptcp: depends on built-in IPv6
  2020-10-21 15:55 [PATCH net] selftests: mptcp: depends on built-in IPv6 Matthieu Baerts
@ 2020-10-22  0:35 ` Mat Martineau
  2020-10-22  3:43   ` Jakub Kicinski
  0 siblings, 1 reply; 3+ messages in thread
From: Mat Martineau @ 2020-10-22  0:35 UTC (permalink / raw)
  To: Matthieu Baerts
  Cc: David S. Miller, Jakub Kicinski, Shuah Khan, Geert Uytterhoeven,
	netdev, mptcp, linux-kselftest, linux-kernel

On Wed, 21 Oct 2020, Matthieu Baerts 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@tessares.net>
> ---
> tools/testing/selftests/net/mptcp/config | 1 +
> 1 file changed, 1 insertion(+)
>

Reviewed-by: Mat Martineau <mathew.j.martineau@linux.intel.com>

--
Mat Martineau
Intel

^ permalink raw reply	[flat|nested] 3+ messages in thread

* Re: [PATCH net] selftests: mptcp: depends on built-in IPv6
  2020-10-22  0:35 ` Mat Martineau
@ 2020-10-22  3:43   ` Jakub Kicinski
  0 siblings, 0 replies; 3+ messages in thread
From: Jakub Kicinski @ 2020-10-22  3:43 UTC (permalink / raw)
  To: Mat Martineau
  Cc: Matthieu Baerts, David S. Miller, Shuah Khan, Geert Uytterhoeven,
	netdev, mptcp, linux-kselftest, linux-kernel

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@tessares.net>
>
> Reviewed-by: Mat Martineau <mathew.j.martineau@linux.intel.com>

Applied, thank you!

^ permalink raw reply	[flat|nested] 3+ messages in thread

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2020-10-21 15:55 [PATCH net] selftests: mptcp: depends on built-in IPv6 Matthieu Baerts
2020-10-22  0:35 ` Mat Martineau
2020-10-22  3:43   ` Jakub Kicinski

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