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Date:   Tue, 25 Apr 2023 14:31:28 +0800
From:   kernel test robot <lkp@intel.com>
To:     Grzegorz Jaszczyk <jaz@semihalf.com>, linux-kernel@vger.kernel.org,
        alex.williamson@redhat.com
Cc:     oe-kbuild-all@lists.linux.dev, dmy@semihalf.com, tn@semihalf.com,
        dbehr@google.com, dbehr@chromium.org, upstream@semihalf.com,
        dtor@google.com, jgg@ziepe.ca, kevin.tian@intel.com,
        cohuck@redhat.com, abhsahu@nvidia.com, yishaih@nvidia.com,
        yi.l.liu@intel.com, kvm@vger.kernel.org, libvir-list@redhat.com,
        Grzegorz Jaszczyk <jaz@semihalf.com>
Subject: Re: [PATCH v2] vfio/pci: Propagate ACPI notifications to user-space
 via eventfd
Message-ID: <202304251437.hZVFw4GS-lkp@intel.com>
References: <20230424162748.2711945-1-jaz@semihalf.com>
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In-Reply-To: <20230424162748.2711945-1-jaz@semihalf.com>
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Hi Grzegorz,

kernel test robot noticed the following build warnings:

[auto build test WARNING on awilliam-vfio/for-linus]
[also build test WARNING on linus/master v6.3 next-20230424]
[cannot apply to awilliam-vfio/next]
[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/Grzegorz-Jaszczyk/vfio-pci-Propagate-ACPI-notifications-to-user-space-via-eventfd/20230425-002935
base:   https://github.com/awilliam/linux-vfio.git for-linus
patch link:    https://lore.kernel.org/r/20230424162748.2711945-1-jaz%40semihalf.com
patch subject: [PATCH v2] vfio/pci: Propagate ACPI notifications to user-space via eventfd
config: i386-randconfig-s001 (https://download.01.org/0day-ci/archive/20230425/202304251437.hZVFw4GS-lkp@intel.com/config)
compiler: gcc-11 (Debian 11.3.0-8) 11.3.0
reproduce:
        # apt-get install sparse
        # sparse version: v0.6.4-39-gce1a6720-dirty
        # https://github.com/intel-lab-lkp/linux/commit/62d759059cd5e6dab70052027e1b69c5d5cdc0f2
        git remote add linux-review https://github.com/intel-lab-lkp/linux
        git fetch --no-tags linux-review Grzegorz-Jaszczyk/vfio-pci-Propagate-ACPI-notifications-to-user-space-via-eventfd/20230425-002935
        git checkout 62d759059cd5e6dab70052027e1b69c5d5cdc0f2
        # save the config file
        mkdir build_dir && cp config build_dir/.config
        make W=1 C=1 CF='-fdiagnostic-prefix -D__CHECK_ENDIAN__' O=build_dir ARCH=i386 olddefconfig
        make W=1 C=1 CF='-fdiagnostic-prefix -D__CHECK_ENDIAN__' O=build_dir ARCH=i386 SHELL=/bin/bash drivers/vfio/pci/

If you fix the issue, kindly add following tag where applicable
| Reported-by: kernel test robot <lkp@intel.com>
| Link: https://lore.kernel.org/oe-kbuild-all/202304251437.hZVFw4GS-lkp@intel.com/

sparse warnings: (new ones prefixed by >>)
   drivers/vfio/pci/vfio_pci_core.c:244:33: sparse: sparse: restricted pci_power_t degrades to integer
   drivers/vfio/pci/vfio_pci_core.c:244:41: sparse: sparse: restricted pci_power_t degrades to integer
   drivers/vfio/pci/vfio_pci_core.c:248:25: sparse: sparse: restricted pci_power_t degrades to integer
   drivers/vfio/pci/vfio_pci_core.c:248:43: sparse: sparse: restricted pci_power_t degrades to integer
   drivers/vfio/pci/vfio_pci_core.c:248:56: sparse: sparse: restricted pci_power_t degrades to integer
   drivers/vfio/pci/vfio_pci_core.c:248:65: sparse: sparse: restricted pci_power_t degrades to integer
   drivers/vfio/pci/vfio_pci_core.c:253:25: sparse: sparse: restricted pci_power_t degrades to integer
   drivers/vfio/pci/vfio_pci_core.c:253:44: sparse: sparse: restricted pci_power_t degrades to integer
   drivers/vfio/pci/vfio_pci_core.c:253:57: sparse: sparse: restricted pci_power_t degrades to integer
   drivers/vfio/pci/vfio_pci_core.c:253:66: sparse: sparse: restricted pci_power_t degrades to integer
   drivers/vfio/pci/vfio_pci_core.c:261:39: sparse: sparse: restricted pci_power_t degrades to integer
   drivers/vfio/pci/vfio_pci_core.c:261:58: sparse: sparse: restricted pci_power_t degrades to integer
>> drivers/vfio/pci/vfio_pci_core.c:709:6: sparse: sparse: symbol 'vfio_pci_acpi_notify_close_device' was not declared. Should it be static?

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