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Message-ID: <202208171357.kX3EBdtG-lkp@intel.com>
Date: Wed, 17 Aug 2022 13:39:52 +0800
From: kernel test robot <lkp@...el.com>
To: Jason Gunthorpe <jgg@...dia.com>
Cc: kbuild-all@...ts.01.org, linux-kernel@...r.kernel.org
Subject: [jgunthorpe:vfio_dma_buf 1/18]
drivers/vfio/pci/vfio_pci_zdev.c:116:5: warning: no previous prototype for
'vfio_pci_info_zdev_add_caps'
tree: https://github.com/jgunthorpe/linux vfio_dma_buf
head: f5c3d9a2ccc263572e3fc0f87a338679af57184a
commit: 25ad961c532a633fa112c551f8ec63cd17fda180 [1/18] vfio/pci: Split linux/vfio_pci_core.h
config: s390-allyesconfig (https://download.01.org/0day-ci/archive/20220817/202208171357.kX3EBdtG-lkp@intel.com/config)
compiler: s390-linux-gcc (GCC) 12.1.0
reproduce (this is a W=1 build):
wget https://raw.githubusercontent.com/intel/lkp-tests/master/sbin/make.cross -O ~/bin/make.cross
chmod +x ~/bin/make.cross
# https://github.com/jgunthorpe/linux/commit/25ad961c532a633fa112c551f8ec63cd17fda180
git remote add jgunthorpe https://github.com/jgunthorpe/linux
git fetch --no-tags jgunthorpe vfio_dma_buf
git checkout 25ad961c532a633fa112c551f8ec63cd17fda180
# save the config file
mkdir build_dir && cp config build_dir/.config
COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-12.1.0 make.cross W=1 O=build_dir ARCH=s390 SHELL=/bin/bash drivers/vfio/pci/
If you fix the issue, kindly add following tag where applicable
Reported-by: kernel test robot <lkp@...el.com>
All warnings (new ones prefixed by >>):
>> drivers/vfio/pci/vfio_pci_zdev.c:116:5: warning: no previous prototype for 'vfio_pci_info_zdev_add_caps' [-Wmissing-prototypes]
116 | int vfio_pci_info_zdev_add_caps(struct vfio_pci_core_device *vdev,
| ^~~~~~~~~~~~~~~~~~~~~~~~~~~
>> drivers/vfio/pci/vfio_pci_zdev.c:144:5: warning: no previous prototype for 'vfio_pci_zdev_open_device' [-Wmissing-prototypes]
144 | int vfio_pci_zdev_open_device(struct vfio_pci_core_device *vdev)
| ^~~~~~~~~~~~~~~~~~~~~~~~~
>> drivers/vfio/pci/vfio_pci_zdev.c:157:6: warning: no previous prototype for 'vfio_pci_zdev_close_device' [-Wmissing-prototypes]
157 | void vfio_pci_zdev_close_device(struct vfio_pci_core_device *vdev)
| ^~~~~~~~~~~~~~~~~~~~~~~~~~
vim +/vfio_pci_info_zdev_add_caps +116 drivers/vfio/pci/vfio_pci_zdev.c
e6b817d4b8217a Matthew Rosato 2020-10-07 112
e6b817d4b8217a Matthew Rosato 2020-10-07 113 /*
e6b817d4b8217a Matthew Rosato 2020-10-07 114 * Add all supported capabilities to the VFIO_DEVICE_GET_INFO capability chain.
e6b817d4b8217a Matthew Rosato 2020-10-07 115 */
536475109c8284 Max Gurtovoy 2021-08-26 @116 int vfio_pci_info_zdev_add_caps(struct vfio_pci_core_device *vdev,
e6b817d4b8217a Matthew Rosato 2020-10-07 117 struct vfio_info_cap *caps)
e6b817d4b8217a Matthew Rosato 2020-10-07 118 {
e6b817d4b8217a Matthew Rosato 2020-10-07 119 struct zpci_dev *zdev = to_zpci(vdev->pdev);
e6b817d4b8217a Matthew Rosato 2020-10-07 120 int ret;
e6b817d4b8217a Matthew Rosato 2020-10-07 121
e6b817d4b8217a Matthew Rosato 2020-10-07 122 if (!zdev)
e6b817d4b8217a Matthew Rosato 2020-10-07 123 return -ENODEV;
e6b817d4b8217a Matthew Rosato 2020-10-07 124
46c47466609444 Max Gurtovoy 2021-02-01 125 ret = zpci_base_cap(zdev, caps);
e6b817d4b8217a Matthew Rosato 2020-10-07 126 if (ret)
e6b817d4b8217a Matthew Rosato 2020-10-07 127 return ret;
e6b817d4b8217a Matthew Rosato 2020-10-07 128
46c47466609444 Max Gurtovoy 2021-02-01 129 ret = zpci_group_cap(zdev, caps);
e6b817d4b8217a Matthew Rosato 2020-10-07 130 if (ret)
e6b817d4b8217a Matthew Rosato 2020-10-07 131 return ret;
e6b817d4b8217a Matthew Rosato 2020-10-07 132
e6b817d4b8217a Matthew Rosato 2020-10-07 133 if (zdev->util_str_avail) {
46c47466609444 Max Gurtovoy 2021-02-01 134 ret = zpci_util_cap(zdev, caps);
e6b817d4b8217a Matthew Rosato 2020-10-07 135 if (ret)
e6b817d4b8217a Matthew Rosato 2020-10-07 136 return ret;
e6b817d4b8217a Matthew Rosato 2020-10-07 137 }
e6b817d4b8217a Matthew Rosato 2020-10-07 138
46c47466609444 Max Gurtovoy 2021-02-01 139 ret = zpci_pfip_cap(zdev, caps);
e6b817d4b8217a Matthew Rosato 2020-10-07 140
e6b817d4b8217a Matthew Rosato 2020-10-07 141 return ret;
e6b817d4b8217a Matthew Rosato 2020-10-07 142 }
8061d1c31f1a01 Matthew Rosato 2022-06-06 143
8061d1c31f1a01 Matthew Rosato 2022-06-06 @144 int vfio_pci_zdev_open_device(struct vfio_pci_core_device *vdev)
8061d1c31f1a01 Matthew Rosato 2022-06-06 145 {
8061d1c31f1a01 Matthew Rosato 2022-06-06 146 struct zpci_dev *zdev = to_zpci(vdev->pdev);
8061d1c31f1a01 Matthew Rosato 2022-06-06 147
8061d1c31f1a01 Matthew Rosato 2022-06-06 148 if (!zdev)
8061d1c31f1a01 Matthew Rosato 2022-06-06 149 return -ENODEV;
8061d1c31f1a01 Matthew Rosato 2022-06-06 150
8061d1c31f1a01 Matthew Rosato 2022-06-06 151 if (!vdev->vdev.kvm)
8061d1c31f1a01 Matthew Rosato 2022-06-06 152 return 0;
8061d1c31f1a01 Matthew Rosato 2022-06-06 153
8061d1c31f1a01 Matthew Rosato 2022-06-06 154 return kvm_s390_pci_register_kvm(zdev, vdev->vdev.kvm);
8061d1c31f1a01 Matthew Rosato 2022-06-06 155 }
8061d1c31f1a01 Matthew Rosato 2022-06-06 156
8061d1c31f1a01 Matthew Rosato 2022-06-06 @157 void vfio_pci_zdev_close_device(struct vfio_pci_core_device *vdev)
:::::: The code at line 116 was first introduced by commit
:::::: 536475109c82841126ca341ef0f138e7298880c1 vfio/pci: Rename vfio_pci_device to vfio_pci_core_device
:::::: TO: Max Gurtovoy <mgurtovoy@...dia.com>
:::::: CC: Alex Williamson <alex.williamson@...hat.com>
--
0-DAY CI Kernel Test Service
https://01.org/lkp
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