[SRU][PULL][Jammy:linux-intel-iotg] Revert out-of-tree patches that causes system hang after running veth.sh kernel selftest

[Jian Hui Lee]

BugLink: https://bugs.launchpad.net/bugs/2008085

[Impact]

System would be hang after running veth.sh from kernel selftests.

[Test Plan]

Prepare the testing environment, especially bpf selftest, and run
veth.sh with root privilege. The test case should be finished without
any problems.

[Regression potential]

Low. The reverted patches are from Intel Out-Of-Tree.

[Other info]

https://git.launchpad.net/~jianhuilee/ubuntu/+source/linux-intel-iotg/+git/jammy-iotg/log/?h=for-review-20230314
The issue is caused by "net/core: XDP metadata BTF netlink API" and
the rest are the patches around it.


----------------------------------------------------------------
The following changes since commit f101bab14a2fbc73c8bd99934c005ffa974b5236:

  UBUNTU: Ubuntu-intel-iotg-5.15.0-1027.32 (2023-03-02 12:36:02 -0500)

are available in the Git repository at:

  git://git.launchpad.net/~jianhuilee/ubuntu/+source/linux-intel-iotg/+git/jammy-iotg
for-review-20230314

for you to fetch changes up to 23d954e07c7a7b8429ab56f7ffa2e2a6d9a2de1a:

  Revert "net/core: XDP metadata BTF netlink API" (2023-03-15 11:37:47 +0800)

----------------------------------------------------------------
Jian Hui Lee (5):
      Revert "rtnetlink: Add return value check"
      Revert "rtnetlink: Fix unchecked return value of dev_xdp_query_md_btf()"
      Revert "igc: Enable HW RX Timestamp for AF_XDP ZC"
      Revert "igc: Add BTF based metadata for XDP"
      Revert "net/core: XDP metadata BTF netlink API"

 drivers/net/ethernet/intel/igc/igc.h      |   2 -
 drivers/net/ethernet/intel/igc/igc_main.c |  21 ------
 drivers/net/ethernet/intel/igc/igc_xdp.c  | 114 ------------------------------
 drivers/net/ethernet/intel/igc/igc_xdp.h  |  11 ---
 include/linux/netdevice.h                 |  15 +---
 include/uapi/linux/if_link.h              |   2 -
 net/core/dev.c                            |  53 --------------
 net/core/rtnetlink.c                      |  25 +------
 8 files changed, 2 insertions(+), 241 deletions(-)