[PATCH mptcp-next v6 0/3] only remove entry from local_addr_list when sending a REMOVE_ADDR

[Geliang Tang <geliang@kernel.org>]

From: Geliang Tang <tanggeliang@kylinos.cn>

v6:
 - patch 2: now explicitly removes userspace pm addresses using
   userspace_pm_rm_addr, instead of merely updating dump_addr expectations.
 - patch 3: dropped duplicate "sleep 0.5".
 - The pre-existing issue Sashiko mentioned in v5, "it's not safe to
   decrement sk->sk_omem_alloc synchronously while deferring the actual
   memory free via kfree_rcu_mightsleep(match)", will be addressed in a
   separate patch.

v5:
 - rebased.
 - add Matt's reviewed tags.
 - add a RM_ADDR from the server to the client as Sashiko suggested.
 - mptcpd tests (make check) are still OK after this modification.
 - Link: https://patchwork.kernel.org/project/mptcp/cover/cover.1782457962.git.tanggeliang@kylinos.cn/

v4:
 - rebased.
 - Link: https://patchwork.kernel.org/project/mptcp/cover/cover.1776466833.git.tanggeliang@kylinos.cn/

v3:
 - update userspace selftests.
 - Link: https://patchwork.kernel.org/project/mptcp/cover/cover.1744787273.git.tanggeliang@kylinos.cn/

v2:
 - squash patch 1 into patch 2 as Mat suggested.

Closes: https://github.com/multipath-tcp/mptcp_net-next/issues/403

Geliang Tang (3):
  mptcp: pm: userspace: drop delete_local_addr helper
  selftests: mptcp: join: explicitly remove userspace pm addresses
  selftests: mptcp: userspace: send RM_ADDR between server and client

 net/mptcp/pm_userspace.c                      | 35 ++-----------------
 .../testing/selftests/net/mptcp/mptcp_join.sh |  4 ++-
 .../selftests/net/mptcp/userspace_pm.sh       | 14 ++++++++
 3 files changed, 19 insertions(+), 34 deletions(-)

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2.53.0