WARNING: modpost: vmlinux: section mismatch in reference: bitmap_gather+0x6b (section: .text) -> sg_mask (section: .init.rodata)

WARNING: modpost: vmlinux: section mismatch in reference: bitmap_gather+0x6b (section: .text) -> sg_mask (section: .init.rodata)

[kernel test robot]

Hi Andy,

FYI, the error/warning still remains.

tree:   https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git master
head:   dc1c8034e31b14a2e5e212104ec508aec44ce1b9
commit: de5f84338970815b9fdd3497a975fb572d11e0b5 lib/bitmap: Introduce bitmap_scatter() and bitmap_gather() helpers
date:   5 months ago
config: um-randconfig-001-20240729 (https://download.01.org/0day-ci/archive/20240729/202407291552.gxr1x7vB-lkp@intel.com/config)
compiler: clang version 14.0.6 (https://github.com/llvm/llvm-project f28c006a5895fc0e329fe15fead81e37457cb1d1)
reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20240729/202407291552.gxr1x7vB-lkp@intel.com/reproduce)

If you fix the issue in a separate patch/commit (i.e. not just a new version of
the same patch/commit), kindly add following tags
| Reported-by: kernel test robot <lkp@intel.com>
| Closes: https://lore.kernel.org/oe-kbuild-all/202407291552.gxr1x7vB-lkp@intel.com/

All warnings (new ones prefixed by >>, old ones prefixed by <<):

WARNING: modpost: missing MODULE_DESCRIPTION() in vmlinux.o
>> WARNING: modpost: vmlinux: section mismatch in reference: bitmap_gather+0x6b (section: .text) -> sg_mask (section: .init.rodata)
WARNING: modpost: vmlinux: section mismatch in reference: bitmap_gather+0x1e2 (section: .text) -> sg_mask (section: .init.rodata)
>> WARNING: modpost: vmlinux: section mismatch in reference: bitmap_scatter+0x6b (section: .text) -> sg_mask (section: .init.rodata)
WARNING: modpost: vmlinux: section mismatch in reference: bitmap_scatter+0x1e0 (section: .text) -> sg_mask (section: .init.rodata)
WARNING: modpost: missing MODULE_DESCRIPTION() in kernel/locking/locktorture.o
WARNING: modpost: missing MODULE_DESCRIPTION() in kernel/rcu/rcuscale.o
WARNING: modpost: missing MODULE_DESCRIPTION() in kernel/time/time_test.o
WARNING: modpost: missing MODULE_DESCRIPTION() in kernel/resource_kunit.o
WARNING: modpost: missing MODULE_DESCRIPTION() in kernel/scftorture.o
WARNING: modpost: missing MODULE_DESCRIPTION() in fs/nls/nls_cp775.o
WARNING: modpost: missing MODULE_DESCRIPTION() in fs/nls/nls_cp850.o
WARNING: modpost: missing MODULE_DESCRIPTION() in fs/nls/nls_cp863.o
WARNING: modpost: missing MODULE_DESCRIPTION() in fs/nls/nls_cp932.o
WARNING: modpost: missing MODULE_DESCRIPTION() in fs/nls/nls_euc-jp.o
WARNING: modpost: missing MODULE_DESCRIPTION() in fs/nls/nls_cp936.o
WARNING: modpost: missing MODULE_DESCRIPTION() in fs/nls/nls_cp950.o
WARNING: modpost: missing MODULE_DESCRIPTION() in fs/nls/nls_ascii.o
WARNING: modpost: missing MODULE_DESCRIPTION() in fs/nls/nls_iso8859-13.o
WARNING: modpost: missing MODULE_DESCRIPTION() in fs/nls/nls_koi8-r.o
WARNING: modpost: missing MODULE_DESCRIPTION() in fs/nls/nls_koi8-u.o
WARNING: modpost: missing MODULE_DESCRIPTION() in fs/nls/nls_koi8-ru.o
WARNING: modpost: missing MODULE_DESCRIPTION() in fs/nls/mac-centeuro.o
WARNING: modpost: missing MODULE_DESCRIPTION() in fs/nls/mac-croatian.o
WARNING: modpost: missing MODULE_DESCRIPTION() in fs/nls/mac-greek.o
WARNING: modpost: missing MODULE_DESCRIPTION() in fs/hostfs/hostfs.o
WARNING: modpost: missing MODULE_DESCRIPTION() in fs/binfmt_script.o
WARNING: modpost: missing MODULE_DESCRIPTION() in fs/fat/fat.o
WARNING: modpost: missing MODULE_DESCRIPTION() in fs/fat/fat_test.o
WARNING: modpost: missing MODULE_DESCRIPTION() in fs/btrfs/btrfs.o
WARNING: modpost: missing MODULE_DESCRIPTION() in security/keys/encrypted-keys/encrypted-keys.o
WARNING: modpost: missing MODULE_DESCRIPTION() in crypto/cast_common.o
WARNING: modpost: missing MODULE_DESCRIPTION() in lib/kunit/kunit.o
WARNING: modpost: missing MODULE_DESCRIPTION() in lib/kunit/kunit-test.o
WARNING: modpost: missing MODULE_DESCRIPTION() in lib/kunit/kunit-example-test.o
WARNING: modpost: missing MODULE_DESCRIPTION() in lib/cpumask_kunit.o
WARNING: modpost: missing MODULE_DESCRIPTION() in lib/test_hash.o
WARNING: modpost: missing MODULE_DESCRIPTION() in lib/test_ida.o
WARNING: modpost: missing MODULE_DESCRIPTION() in lib/test_list_sort.o
WARNING: modpost: missing MODULE_DESCRIPTION() in lib/test_min_heap.o
WARNING: modpost: missing MODULE_DESCRIPTION() in lib/test_rhashtable.o
WARNING: modpost: missing MODULE_DESCRIPTION() in lib/test_user_copy.o
WARNING: modpost: missing MODULE_DESCRIPTION() in lib/test_printf.o
WARNING: modpost: missing MODULE_DESCRIPTION() in lib/test_scanf.o
WARNING: modpost: missing MODULE_DESCRIPTION() in lib/test_uuid.o
WARNING: modpost: missing MODULE_DESCRIPTION() in lib/test_objpool.o
WARNING: modpost: missing MODULE_DESCRIPTION() in lib/list-test.o
WARNING: modpost: missing MODULE_DESCRIPTION() in lib/hashtable_test.o
WARNING: modpost: missing MODULE_DESCRIPTION() in lib/test_bits.o
WARNING: modpost: missing MODULE_DESCRIPTION() in lib/cmdline_kunit.o
WARNING: modpost: missing MODULE_DESCRIPTION() in lib/is_signed_type_kunit.o
WARNING: modpost: missing MODULE_DESCRIPTION() in lib/overflow_kunit.o
WARNING: modpost: missing MODULE_DESCRIPTION() in lib/stackinit_kunit.o
WARNING: modpost: missing MODULE_DESCRIPTION() in lib/strcat_kunit.o
WARNING: modpost: missing MODULE_DESCRIPTION() in lib/strscpy_kunit.o
WARNING: modpost: missing MODULE_DESCRIPTION() in lib/siphash_kunit.o
WARNING: modpost: missing MODULE_DESCRIPTION() in drivers/pinctrl/pinctrl-mcp23s08_i2c.o
WARNING: modpost: missing MODULE_DESCRIPTION() in drivers/pinctrl/pinctrl-mcp23s08.o
WARNING: modpost: missing MODULE_DESCRIPTION() in drivers/gpio/gpio-pcf857x.o
WARNING: modpost: missing MODULE_DESCRIPTION() in drivers/virtio/virtio.o
WARNING: modpost: missing MODULE_DESCRIPTION() in drivers/virtio/virtio_ring.o
WARNING: modpost: missing MODULE_DESCRIPTION() in drivers/tty/ttynull.o
WARNING: modpost: missing MODULE_DESCRIPTION() in drivers/base/regmap/regmap-kunit.o
WARNING: modpost: missing MODULE_DESCRIPTION() in drivers/base/regmap/regmap-i2c.o
WARNING: modpost: missing MODULE_DESCRIPTION() in drivers/base/regmap/regmap-ram.o
WARNING: modpost: missing MODULE_DESCRIPTION() in drivers/base/regmap/regmap-raw-ram.o
WARNING: modpost: missing MODULE_DESCRIPTION() in drivers/base/regmap/regmap-mmio.o
WARNING: modpost: missing MODULE_DESCRIPTION() in drivers/scsi/scsi_common.o
WARNING: modpost: missing MODULE_DESCRIPTION() in drivers/input/tests/input_test.o
WARNING: modpost: missing MODULE_DESCRIPTION() in drivers/hid/hid-belkin.o
WARNING: modpost: missing MODULE_DESCRIPTION() in drivers/hid/hid-cypress.o
WARNING: modpost: missing MODULE_DESCRIPTION() in drivers/hid/hid-dr.o
WARNING: modpost: missing MODULE_DESCRIPTION() in drivers/hid/hid-elecom.o
WARNING: modpost: missing MODULE_DESCRIPTION() in drivers/hid/hid-evision.o
WARNING: modpost: missing MODULE_DESCRIPTION() in drivers/hid/hid-vivaldi-common.o
WARNING: modpost: missing MODULE_DESCRIPTION() in drivers/hid/hid-kensington.o
WARNING: modpost: missing MODULE_DESCRIPTION() in drivers/hid/hid-magicmouse.o
WARNING: modpost: missing MODULE_DESCRIPTION() in drivers/hid/hid-ortek.o
WARNING: modpost: missing MODULE_DESCRIPTION() in drivers/hid/hid-petalynx.o
WARNING: modpost: missing MODULE_DESCRIPTION() in drivers/hid/hid-primax.o
WARNING: modpost: missing MODULE_DESCRIPTION() in drivers/hid/hid-razer.o
WARNING: modpost: missing MODULE_DESCRIPTION() in drivers/hid/hid-semitek.o
WARNING: modpost: missing MODULE_DESCRIPTION() in drivers/hid/hid-steam.o
WARNING: modpost: missing MODULE_DESCRIPTION() in drivers/hid/hid-tivo.o
WARNING: modpost: missing MODULE_DESCRIPTION() in drivers/hid/hid-zpff.o
WARNING: modpost: missing MODULE_DESCRIPTION() in drivers/iio/buffer/kfifo_buf.o
WARNING: modpost: missing MODULE_DESCRIPTION() in sound/core/snd-pcm-dmaengine.o
WARNING: modpost: missing MODULE_DESCRIPTION() in sound/drivers/snd-pcmtest.o
WARNING: modpost: missing MODULE_DESCRIPTION() in sound/soc/codecs/snd-soc-sigmadsp.o
WARNING: modpost: missing MODULE_DESCRIPTION() in sound/soc/codecs/snd-soc-wm-adsp.o
WARNING: modpost: missing MODULE_DESCRIPTION() in sound/soc/xilinx/snd-soc-xlnx-i2s.o
WARNING: modpost: missing MODULE_DESCRIPTION() in sound/soc/xilinx/snd-soc-xlnx-formatter-pcm.o
WARNING: modpost: EXPORT symbol "csum_partial" [vmlinux] version generation failed, symbol will not be versioned.
Is "csum_partial" prototyped in <asm/asm-prototypes.h>?
WARNING: modpost: EXPORT symbol "csum_partial_copy_generic" [vmlinux] version generation failed, symbol will not be versioned.
Is "csum_partial_copy_generic" prototyped in <asm/asm-prototypes.h>?
WARNING: modpost: "csum_partial" [fs/reiserfs/reiserfs.ko] has no CRC!

-- 
0-DAY CI Kernel Test Service
https://github.com/intel/lkp-tests/wiki

Re: WARNING: modpost: vmlinux: section mismatch in reference: bitmap_gather+0x6b (section: .text) -> sg_mask (section: .init.rodata)

[Andy Shevchenko]

On Mon, Jul 29, 2024 at 03:06:19PM +0800, kernel test robot wrote:
> Hi Andy,
> 
> FYI, the error/warning still remains.
> 
> tree:   https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git master
> head:   dc1c8034e31b14a2e5e212104ec508aec44ce1b9
> commit: de5f84338970815b9fdd3497a975fb572d11e0b5 lib/bitmap: Introduce bitmap_scatter() and bitmap_gather() helpers
> date:   5 months ago
> config: um-randconfig-001-20240729 (https://download.01.org/0day-ci/archive/20240729/202407291552.gxr1x7vB-lkp@intel.com/config)
> compiler: clang version 14.0.6 (https://github.com/llvm/llvm-project f28c006a5895fc0e329fe15fead81e37457cb1d1)
> reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20240729/202407291552.gxr1x7vB-lkp@intel.com/reproduce)
> 
> If you fix the issue in a separate patch/commit (i.e. not just a new version of
> the same patch/commit), kindly add following tags
> | Reported-by: kernel test robot <lkp@intel.com>
> | Closes: https://lore.kernel.org/oe-kbuild-all/202407291552.gxr1x7vB-lkp@intel.com/
> 
> All warnings (new ones prefixed by >>, old ones prefixed by <<):

This is dup of https://lore.kernel.org/r/202406200829.IytwLyQJ-lkp@intel.com,
where the main discussion is ongoing.

-- 
With Best Regards,
Andy Shevchenko