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Date: Tue, 21 May 2024 10:41:51 +0800
From: kernel test robot <lkp@intel.com>
To: Yuanchu Xie <yuanchu@google.com>, Wei Liu <liuwe@microsoft.com>,
	Rob Bradford <rbradford@rivosinc.com>,
	Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Cc: oe-kbuild-all@lists.linux.dev, Theodore Ts'o <tytso@mit.edu>,
	Pasha Tatashin <pasha.tatashin@soleen.com>,
	Jonathan Corbet <corbet@lwn.net>, linux-kernel@vger.kernel.org,
	linux-mm@kvack.org, virtualization@lists.linux.dev,
	dev@lists.cloudhypervisor.org, Yuanchu Xie <yuanchu@google.com>
Subject: Re: [PATCH v1 1/2] virt: pvmemcontrol: control guest physical memory
 properties
Message-ID: <202405211027.WMBOgeYF-lkp@intel.com>
References: <20240518072422.771698-1-yuanchu@google.com>
Precedence: bulk
MIME-Version: 1.0
Content-Type: text/plain; charset=us-ascii
Content-Disposition: inline
In-Reply-To: <20240518072422.771698-1-yuanchu@google.com>

Hi Yuanchu,

kernel test robot noticed the following build errors:

[auto build test ERROR on linus/master]
[also build test ERROR on v6.9 next-20240520]
[If your patch is applied to the wrong git tree, kindly drop us a note.
And when submitting patch, we suggest to use '--base' as documented in
https://git-scm.com/docs/git-format-patch#_base_tree_information]

url:    https://github.com/intel-lab-lkp/linux/commits/Yuanchu-Xie/virt-pvmemcontrol-add-Yuanchu-and-Pasha-as-maintainers/20240518-152618
base:   linus/master
patch link:    https://lore.kernel.org/r/20240518072422.771698-1-yuanchu%40google.com
patch subject: [PATCH v1 1/2] virt: pvmemcontrol: control guest physical memory properties
config: powerpc-randconfig-r133-20240521 (https://download.01.org/0day-ci/archive/20240521/202405211027.WMBOgeYF-lkp@intel.com/config)
compiler: clang version 19.0.0git (https://github.com/llvm/llvm-project fa9b1be45088dce1e4b602d451f118128b94237b)
reproduce: (https://download.01.org/0day-ci/archive/20240521/202405211027.WMBOgeYF-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/202405211027.WMBOgeYF-lkp@intel.com/

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

   WARNING: modpost: missing MODULE_DESCRIPTION() in vmlinux.o
   WARNING: modpost: missing MODULE_DESCRIPTION() in kernel/locking/test-ww_mutex.o
   WARNING: modpost: missing MODULE_DESCRIPTION() in kernel/kcsan/kcsan_test.o
   WARNING: modpost: missing MODULE_DESCRIPTION() in mm/dmapool_test.o
   WARNING: modpost: missing MODULE_DESCRIPTION() in fs/fat/fat_test.o
   WARNING: modpost: missing MODULE_DESCRIPTION() in fs/nls/nls_cp860.o
   WARNING: modpost: missing MODULE_DESCRIPTION() in fs/nls/nls_cp861.o
   WARNING: modpost: missing MODULE_DESCRIPTION() in fs/nls/nls_cp864.o
   WARNING: modpost: missing MODULE_DESCRIPTION() in fs/nls/nls_cp874.o
   WARNING: modpost: missing MODULE_DESCRIPTION() in fs/nls/nls_cp936.o
   WARNING: modpost: missing MODULE_DESCRIPTION() in fs/nls/nls_iso8859-2.o
   WARNING: modpost: missing MODULE_DESCRIPTION() in fs/nls/nls_cp1255.o
   WARNING: modpost: missing MODULE_DESCRIPTION() in fs/nls/nls_iso8859-9.o
   WARNING: modpost: missing MODULE_DESCRIPTION() in fs/nls/nls_utf8.o
   WARNING: modpost: missing MODULE_DESCRIPTION() in fs/nls/mac-greek.o
   WARNING: modpost: missing MODULE_DESCRIPTION() in fs/nls/mac-inuit.o
   WARNING: modpost: missing MODULE_DESCRIPTION() in fs/unicode/utf8data.o
   WARNING: modpost: missing MODULE_DESCRIPTION() in fs/unicode/utf8-selftest.o
   WARNING: modpost: missing MODULE_DESCRIPTION() in fs/bcachefs/mean_and_variance_test.o
   WARNING: modpost: missing MODULE_DESCRIPTION() in fs/ext4/ext4-inode-test.o
   WARNING: modpost: missing MODULE_DESCRIPTION() in fs/cramfs/cramfs.o
   WARNING: modpost: missing MODULE_DESCRIPTION() in fs/minix/minix.o
   WARNING: modpost: missing MODULE_DESCRIPTION() in fs/sysv/sysv.o
   WARNING: modpost: missing MODULE_DESCRIPTION() in fs/qnx4/qnx4.o
   WARNING: modpost: missing MODULE_DESCRIPTION() in fs/pstore/pstore.o
   WARNING: modpost: missing MODULE_DESCRIPTION() in crypto/curve25519-generic.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 drivers/gpio/gpio-gw-pld.o
   WARNING: modpost: missing MODULE_DESCRIPTION() in drivers/gpio/gpio-pcf857x.o
   WARNING: modpost: missing MODULE_DESCRIPTION() in drivers/pci/controller/pci-host-common.o
   WARNING: modpost: missing MODULE_DESCRIPTION() in drivers/pci/controller/pci-host-generic.o
   WARNING: modpost: missing MODULE_DESCRIPTION() in drivers/video/backlight/platform_lcd.o
   WARNING: modpost: missing MODULE_DESCRIPTION() in drivers/video/backlight/rt4831-backlight.o
   WARNING: modpost: missing MODULE_DESCRIPTION() in drivers/dma/qcom/hdma_mgmt.o
   WARNING: modpost: missing MODULE_DESCRIPTION() in drivers/dma/qcom/hdma.o
   WARNING: modpost: missing MODULE_DESCRIPTION() in drivers/regulator/max20411-regulator.o
   WARNING: modpost: missing MODULE_DESCRIPTION() in drivers/char/lp.o
   WARNING: modpost: missing MODULE_DESCRIPTION() in drivers/char/hw_random/omap-rng.o
   WARNING: modpost: missing MODULE_DESCRIPTION() in drivers/char/hw_random/omap3-rom-rng.o
   WARNING: modpost: missing MODULE_DESCRIPTION() in drivers/iommu/iova.o
   WARNING: modpost: missing MODULE_DESCRIPTION() in drivers/base/regmap/regmap-kunit.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-slimbus.o
   WARNING: modpost: missing MODULE_DESCRIPTION() in drivers/mfd/qcom-pm8008.o
   WARNING: modpost: missing MODULE_DESCRIPTION() in drivers/scsi/scsi_common.o
   WARNING: modpost: missing MODULE_DESCRIPTION() in drivers/cdrom/cdrom.o
   WARNING: modpost: missing MODULE_DESCRIPTION() in drivers/auxdisplay/hd44780_common.o
   WARNING: modpost: missing MODULE_DESCRIPTION() in drivers/auxdisplay/line-display.o
   WARNING: modpost: missing MODULE_DESCRIPTION() in drivers/isdn/mISDN/l1oip.o
   WARNING: modpost: missing MODULE_DESCRIPTION() in drivers/isdn/hardware/mISDN/hfcpci.o
   WARNING: modpost: missing MODULE_DESCRIPTION() in drivers/isdn/hardware/mISDN/speedfax.o
   WARNING: modpost: missing MODULE_DESCRIPTION() in drivers/isdn/hardware/mISDN/mISDNipac.o
   WARNING: modpost: missing MODULE_DESCRIPTION() in drivers/isdn/hardware/mISDN/mISDNisar.o
   WARNING: modpost: missing MODULE_DESCRIPTION() in drivers/mmc/core/pwrseq_simple.o
   WARNING: modpost: missing MODULE_DESCRIPTION() in drivers/mmc/core/pwrseq_emmc.o
   WARNING: modpost: missing MODULE_DESCRIPTION() in drivers/firmware/google/vpd-sysfs.o
   WARNING: modpost: missing MODULE_DESCRIPTION() in drivers/crypto/atmel-sha204a.o
   WARNING: modpost: missing MODULE_DESCRIPTION() in drivers/vhost/vringh.o
   WARNING: modpost: missing MODULE_DESCRIPTION() in drivers/staging/greybus/gb-light.o
   WARNING: modpost: missing MODULE_DESCRIPTION() in drivers/staging/greybus/gb-log.o
   WARNING: modpost: missing MODULE_DESCRIPTION() in drivers/staging/greybus/gb-loopback.o
   WARNING: modpost: missing MODULE_DESCRIPTION() in drivers/staging/greybus/gb-raw.o
>> WARNING: modpost: drivers/virt/pvmemcontrol/pvmemcontrol: section mismatch in reference: pvmemcontrol_pci_driver+0xc (section: .data) -> pvmemcontrol_pci_remove (section: .exit.text)
   WARNING: modpost: missing MODULE_DESCRIPTION() in drivers/devfreq/governor_simpleondemand.o
   WARNING: modpost: missing MODULE_DESCRIPTION() in drivers/devfreq/governor_powersave.o
   WARNING: modpost: missing MODULE_DESCRIPTION() in drivers/parport/parport.o
   WARNING: modpost: missing MODULE_DESCRIPTION() in drivers/uio/uio.o
   WARNING: modpost: missing MODULE_DESCRIPTION() in drivers/input/matrix-keymap.o
   WARNING: modpost: missing MODULE_DESCRIPTION() in drivers/rpmsg/rpmsg_char.o
>> ERROR: modpost: "per_cpu_ptr_to_phys" [drivers/virt/pvmemcontrol/pvmemcontrol.ko] undefined!

Kconfig warnings: (for reference only)
   WARNING: unmet direct dependencies detected for HOTPLUG_CPU
   Depends on [n]: SMP [=y] && (PPC_PSERIES [=n] || PPC_PMAC [=n] || PPC_POWERNV [=n] || FSL_SOC_BOOKE [=n])
   Selected by [y]:
   - PM_SLEEP_SMP [=y] && SMP [=y] && (ARCH_SUSPEND_POSSIBLE [=n] || ARCH_HIBERNATION_POSSIBLE [=y]) && PM_SLEEP [=y]

sparse warnings: (new ones prefixed by >>)
>> drivers/virt/pvmemcontrol/pvmemcontrol.c:94:19: sparse: sparse: incorrect type in argument 1 (different base types) @@     expected unsigned int [usertype] value @@     got restricted __le32 [usertype] @@
   drivers/virt/pvmemcontrol/pvmemcontrol.c:94:19: sparse:     expected unsigned int [usertype] value
   drivers/virt/pvmemcontrol/pvmemcontrol.c:94:19: sparse:     got restricted __le32 [usertype]
>> drivers/virt/pvmemcontrol/pvmemcontrol.c:100:16: sparse: sparse: cast to restricted __le32
>> drivers/virt/pvmemcontrol/pvmemcontrol.c:105:25: sparse: sparse: incorrect type in argument 1 (different base types) @@     expected unsigned long long [usertype] val @@     got restricted __le64 [usertype] @@
   drivers/virt/pvmemcontrol/pvmemcontrol.c:105:25: sparse:     expected unsigned long long [usertype] val
   drivers/virt/pvmemcontrol/pvmemcontrol.c:105:25: sparse:     got restricted __le64 [usertype]
   drivers/virt/pvmemcontrol/pvmemcontrol.c:111:16: sparse: sparse: cast to restricted __le32

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