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Date:   Sat, 19 Nov 2022 23:03:57 +0000
To:     linux-kbuild@vger.kernel.org
From:   Alexander Lobakin <alobakin@pm.me>
Cc:     Alexander Lobakin <alobakin@pm.me>,
        Masahiro Yamada <masahiroy@kernel.org>,
        Nicolas Schier <nicolas@fjasle.eu>,
        Jens Axboe <axboe@kernel.dk>,
        Boris Brezillon <bbrezillon@kernel.org>,
        Borislav Petkov <bp@alien8.de>,
        Tony Luck <tony.luck@intel.com>,
        Miquel Raynal <miquel.raynal@bootlin.com>,
        Vladimir Oltean <vladimir.oltean@nxp.com>,
        Alexandre Belloni <alexandre.belloni@bootlin.com>,
        Derek Chickles <dchickles@marvell.com>,
        Ioana Ciornei <ioana.ciornei@nxp.com>,
        Salil Mehta <salil.mehta@huawei.com>,
        Sunil Goutham <sgoutham@marvell.com>,
        Grygorii Strashko <grygorii.strashko@ti.com>,
        Daniel Scally <djrscally@gmail.com>,
        Hans de Goede <hdegoede@redhat.com>,
        Mark Brown <broonie@kernel.org>,
        Andy Shevchenko <andriy.shevchenko@linux.intel.com>,
        NXP Linux Team <linux-imx@nxp.com>, netdev@vger.kernel.org,
        linux-kernel@vger.kernel.org
Subject: [PATCH 00/18] treewide: fix object files shared between several modules
Message-ID: <20221119225650.1044591-1-alobakin@pm.me>
Feedback-ID: 22809121:user:proton
MIME-Version: 1.0
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Precedence: bulk

This is a follow-up to the series[0] that adds Kbuild warning if an
object is linked into several modules (including vmlinux) in order
to prevent hidden side effects from appearing.
The original series, as well as this one, was inspired by the recent
issue[1] with the ZSTD modules on a platform which has such sets of
vmlinux cflags and module cflags so that objects built with those
two even refuse to link with each other.
The final goal is to forbid linking one object several times
entirely.

Patches 1-7 and 10-11 was runtime-tested by me. Pathes 8-9 and 12-18
are compile-time tested only (compile, link, modpost), so I
encourage the maintainers to review them carefully. At least the
last one, for cpsw, most likely has issues :D
Masahiro's patches are taken from his WIP tree[2], with the two last
finished by me.

This mostly is a monotonic work, all scores go to Masahiro and
Alexey :P

[0] https://lore.kernel.org/linux-kbuild/20221118191551.66448-1-masahiroy@k=
ernel.org
[1] https://github.com/torvalds/linux/commit/637a642f5ca5e850186bb64ac75ebb=
0f124b458d
[2] https://git.kernel.org/pub/scm/linux/kernel/git/masahiroy/linux-kbuild.=
git/log/?h=3Dtmp4

Alexander Lobakin (9):
  EDAC: i10nm, skx: fix mixed module-builtin object
  platform/x86: int3472: fix object shared between several modules
  mtd: tests: fix object shared between several modules
  crypto: octeontx2: fix objects shared between several modules
  dsa: ocelot: fix mixed module-builtin object
  net: dpaa2: fix mixed module-builtin object
  net: hns3: fix mixed module-builtin object
  net: octeontx2: fix mixed module-builtin object
  net: cpsw: fix mixed module-builtin object

Masahiro Yamada (9):
  block/rnbd: fix mixed module-builtin object
  drm/bridge: imx: fix mixed module-builtin object
  drm/bridge: imx: turn imx8{qm,qxp}-ldb into single-object modules
  sound: fix mixed module-builtin object
  mfd: rsmu: fix mixed module-builtin object
  mfd: rsmu: turn rsmu-{core,i2c,spi} into single-object modules
  net: liquidio: fix mixed module-builtin object
  net: enetc: fix mixed module-builtin object
  net: emac, cpsw: fix mixed module-builtin object (davinci_cpdma)

 drivers/block/rnbd/Makefile                   |   6 +-
 drivers/block/rnbd/rnbd-common.c              |  23 -
 drivers/block/rnbd/rnbd-proto.h               |  14 +-
 drivers/crypto/marvell/octeontx2/Makefile     |  11 +-
 drivers/crypto/marvell/octeontx2/cn10k_cpt.c  |   9 +-
 drivers/crypto/marvell/octeontx2/cn10k_cpt.h  |   2 -
 .../marvell/octeontx2/otx2_cpt_common.h       |   2 -
 .../marvell/octeontx2/otx2_cpt_mbox_common.c  |  14 +-
 drivers/crypto/marvell/octeontx2/otx2_cptlf.c |  11 +
 .../marvell/octeontx2/otx2_cptpf_main.c       |   2 +
 .../marvell/octeontx2/otx2_cptvf_main.c       |   2 +
 drivers/edac/Kconfig                          |  11 +-
 drivers/edac/Makefile                         |   7 +-
 drivers/edac/i10nm_base.c                     |   2 +
 drivers/edac/skx_base.c                       |   2 +
 drivers/edac/skx_common.c                     |  21 +-
 drivers/edac/skx_common.h                     |   4 +-
 drivers/gpu/drm/bridge/imx/Makefile           |   4 -
 drivers/gpu/drm/bridge/imx/imx-ldb-helper.c   | 221 -----
 drivers/gpu/drm/bridge/imx/imx-ldb-helper.h   | 213 +++-
 .../imx/{imx8qm-ldb-drv.c =3D> imx8qm-ldb.c}    |   0
 .../imx/{imx8qxp-ldb-drv.c =3D> imx8qxp-ldb.c}  |   0
 drivers/mfd/Kconfig                           |   8 +-
 drivers/mfd/Makefile                          |   3 +-
 drivers/mfd/{rsmu_core.c =3D> rsmu-core.c}      |   3 +
 drivers/mfd/{rsmu_i2c.c =3D> rsmu-i2c.c}        |   0
 drivers/mfd/{rsmu_spi.c =3D> rsmu-spi.c}        |   0
 drivers/mtd/tests/Makefile                    |  17 +-
 drivers/mtd/tests/mtd_test.c                  |   9 +
 drivers/mtd/tests/nandbiterrs.c               |   2 +
 drivers/mtd/tests/oobtest.c                   |   2 +
 drivers/mtd/tests/pagetest.c                  |   2 +
 drivers/mtd/tests/readtest.c                  |   2 +
 drivers/mtd/tests/speedtest.c                 |   2 +
 drivers/mtd/tests/stresstest.c                |   2 +
 drivers/mtd/tests/subpagetest.c               |   2 +
 drivers/mtd/tests/torturetest.c               |   2 +
 drivers/net/dsa/ocelot/Kconfig                |  18 +-
 drivers/net/dsa/ocelot/Makefile               |  12 +-
 drivers/net/dsa/ocelot/felix.c                |   6 +
 drivers/net/dsa/ocelot/felix_vsc9959.c        |   2 +
 drivers/net/dsa/ocelot/seville_vsc9953.c      |   2 +
 drivers/net/ethernet/cavium/Kconfig           |   5 +
 drivers/net/ethernet/cavium/liquidio/Makefile |   4 +-
 .../cavium/liquidio/cn23xx_pf_device.c        |   4 +
 .../cavium/liquidio/cn23xx_vf_device.c        |   3 +
 .../ethernet/cavium/liquidio/cn66xx_device.c  |   1 +
 .../ethernet/cavium/liquidio/cn68xx_device.c  |   1 +
 .../net/ethernet/cavium/liquidio/lio_core.c   |  16 +
 .../ethernet/cavium/liquidio/lio_ethtool.c    |   1 +
 .../ethernet/cavium/liquidio/octeon_device.c  |  24 +
 .../ethernet/cavium/liquidio/octeon_droq.c    |   4 +
 .../ethernet/cavium/liquidio/octeon_mem_ops.c |   5 +
 .../net/ethernet/cavium/liquidio/octeon_nic.c |   3 +
 .../cavium/liquidio/request_manager.c         |  14 +
 .../cavium/liquidio/response_manager.c        |   3 +
 drivers/net/ethernet/freescale/dpaa2/Kconfig  |   6 +
 drivers/net/ethernet/freescale/dpaa2/Makefile |   6 +-
 .../net/ethernet/freescale/dpaa2/dpaa2-eth.c  |   2 +
 .../net/ethernet/freescale/dpaa2/dpaa2-mac.c  |  15 +-
 .../ethernet/freescale/dpaa2/dpaa2-switch.c   |   2 +
 drivers/net/ethernet/freescale/enetc/Kconfig  |   5 +
 drivers/net/ethernet/freescale/enetc/Makefile |   7 +-
 drivers/net/ethernet/freescale/enetc/enetc.c  |  21 +
 .../net/ethernet/freescale/enetc/enetc_cbdr.c |   7 +
 .../ethernet/freescale/enetc/enetc_ethtool.c  |   2 +
 .../net/ethernet/freescale/enetc/enetc_pf.c   |   2 +
 .../net/ethernet/freescale/enetc/enetc_vf.c   |   2 +
 drivers/net/ethernet/hisilicon/Kconfig        |   5 +
 drivers/net/ethernet/hisilicon/hns3/Makefile  |  13 +-
 .../hns3/hns3_common/hclge_comm_cmd.c         |  27 +-
 .../hns3/hns3_common/hclge_comm_cmd.h         |   8 -
 .../hns3/hns3_common/hclge_comm_rss.c         |  17 +
 .../hns3/hns3_common/hclge_comm_tqp_stats.c   |   5 +
 .../hisilicon/hns3/hns3pf/hclge_main.c        |   2 +
 .../hisilicon/hns3/hns3vf/hclgevf_main.c      |   2 +
 .../net/ethernet/marvell/octeontx2/Kconfig    |   5 +
 .../ethernet/marvell/octeontx2/nic/Makefile   |  14 +-
 .../marvell/octeontx2/nic/otx2_common.h       |   1 -
 .../marvell/octeontx2/nic/otx2_dcbnl.c        |   8 +-
 .../marvell/octeontx2/nic/otx2_devlink.c      |   2 +
 .../ethernet/marvell/octeontx2/nic/otx2_pf.c  |   2 +
 .../ethernet/marvell/octeontx2/nic/otx2_ptp.c |   2 +-
 .../ethernet/marvell/octeontx2/nic/otx2_vf.c  |   2 +
 drivers/net/ethernet/ti/Kconfig               |  13 +
 drivers/net/ethernet/ti/Makefile              |  16 +-
 drivers/net/ethernet/ti/am65-cpsw-nuss.c      |   2 +
 drivers/net/ethernet/ti/cpsw.c                |   3 +
 drivers/net/ethernet/ti/cpsw_ale.c            |  20 +
 drivers/net/ethernet/ti/cpsw_ethtool.c        |  24 +
 drivers/net/ethernet/ti/cpsw_new.c            |   3 +
 drivers/net/ethernet/ti/cpsw_priv.c           |  36 +
 drivers/net/ethernet/ti/cpsw_sl.c             |   8 +
 drivers/net/ethernet/ti/davinci_cpdma.c       |  33 +
 drivers/net/ethernet/ti/davinci_emac.c        |   2 +
 drivers/net/ethernet/ti/netcp_core.c          |   2 +
 drivers/net/ethernet/ti/netcp_ethss.c         |   2 +
 drivers/platform/x86/intel/int3472/Makefile   |   8 +-
 drivers/platform/x86/intel/int3472/common.c   |   8 +
 drivers/platform/x86/intel/int3472/discrete.c |   2 +
 drivers/platform/x86/intel/int3472/tps68470.c |   2 +
 sound/soc/codecs/Makefile                     |   6 +-
 sound/soc/codecs/wcd-clsh-v2.c                | 903 -----------------
 sound/soc/codecs/wcd-clsh-v2.h                | 917 +++++++++++++++++-
 104 files changed, 1679 insertions(+), 1288 deletions(-)
 delete mode 100644 drivers/block/rnbd/rnbd-common.c
 delete mode 100644 drivers/gpu/drm/bridge/imx/imx-ldb-helper.c
 rename drivers/gpu/drm/bridge/imx/{imx8qm-ldb-drv.c =3D> imx8qm-ldb.c} (10=
0%)
 rename drivers/gpu/drm/bridge/imx/{imx8qxp-ldb-drv.c =3D> imx8qxp-ldb.c} (=
100%)
 rename drivers/mfd/{rsmu_core.c =3D> rsmu-core.c} (94%)
 rename drivers/mfd/{rsmu_i2c.c =3D> rsmu-i2c.c} (100%)
 rename drivers/mfd/{rsmu_spi.c =3D> rsmu-spi.c} (100%)
 delete mode 100644 sound/soc/codecs/wcd-clsh-v2.c

--
2.38.1