Re: [PATCH v6 1/4] PCI: Introduce pcim_alloc_irq_vectors()

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Hi Dejin,

Thank you for the patch! Yet something to improve:

[auto build test ERROR on pci/next]
[also build test ERROR on wsa/i2c/for-next lwn/docs-next linus/master v5.13-rc4 next-20210604]
[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]

url:    https://github.com/0day-ci/linux/commits/Dejin-Zheng/Introduce-pcim_alloc_irq_vectors/20210606-150730
base:   https://git.kernel.org/pub/scm/linux/kernel/git/helgaas/pci.git next
config: sparc-randconfig-c004-20210606 (attached as .config)
compiler: sparc64-linux-gcc (GCC) 9.3.0
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/0day-ci/linux/commit/7b311110dce8729956f7545d1f11b2bbd60f6193
        git remote add linux-review https://github.com/0day-ci/linux
        git fetch --no-tags linux-review Dejin-Zheng/Introduce-pcim_alloc_irq_vectors/20210606-150730
        git checkout 7b311110dce8729956f7545d1f11b2bbd60f6193
        # save the attached .config to linux build tree
        COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-9.3.0 make.cross ARCH=sparc 

If you fix the issue, kindly add following tag as appropriate
Reported-by: kernel test robot <lkp@xxxxxxxxx>

All errors (new ones prefixed by >>):

   In file included from net/core/rtnetlink.c:37:
   include/linux/pci.h: In function 'pcim_alloc_irq_vectors':
>> include/linux/pci.h:1847:7: error: implicit declaration of function 'pci_is_managed' [-Werror=implicit-function-declaration]
    1847 |  if (!pci_is_managed(dev))
         |       ^~~~~~~~~~~~~~
   cc1: some warnings being treated as errors
--
   In file included from arch/sparc/lib/iomap.c:5:
   include/linux/pci.h: In function 'pcim_alloc_irq_vectors':
>> include/linux/pci.h:1847:7: error: implicit declaration of function 'pci_is_managed' [-Werror=implicit-function-declaration]
    1847 |  if (!pci_is_managed(dev))
         |       ^~~~~~~~~~~~~~
   cc1: all warnings being treated as errors
--
   In file included from drivers/gpu/drm/drm_file.c:38:
   include/linux/pci.h: In function 'pcim_alloc_irq_vectors':
>> include/linux/pci.h:1847:7: error: implicit declaration of function 'pci_is_managed' [-Werror=implicit-function-declaration]
    1847 |  if (!pci_is_managed(dev))
         |       ^~~~~~~~~~~~~~
   drivers/gpu/drm/drm_file.c: At top level:
   drivers/gpu/drm/drm_file.c:789:6: warning: no previous prototype for 'drm_send_event_helper' [-Wmissing-prototypes]
     789 | void drm_send_event_helper(struct drm_device *dev,
         |      ^~~~~~~~~~~~~~~~~~~~~
   cc1: some warnings being treated as errors
--
   In file included from drivers/ide/ide-proc.c:25:
   include/linux/pci.h: In function 'pcim_alloc_irq_vectors':
>> include/linux/pci.h:1847:7: error: implicit declaration of function 'pci_is_managed' [-Werror=implicit-function-declaration]
    1847 |  if (!pci_is_managed(dev))
         |       ^~~~~~~~~~~~~~
   At top level:
   drivers/ide/ide-proc.c:457:37: warning: 'ide_media_proc_fops' defined but not used [-Wunused-const-variable=]
     457 | static const struct file_operations ide_media_proc_fops = {
         |                                     ^~~~~~~~~~~~~~~~~~~
   cc1: some warnings being treated as errors
--
   In file included from include/linux/ide.h:18,
                    from drivers/ide/ide-cd_ioctl.c:13:
   include/linux/pci.h: In function 'pcim_alloc_irq_vectors':
>> include/linux/pci.h:1847:7: error: implicit declaration of function 'pci_is_managed' [-Werror=implicit-function-declaration]
    1847 |  if (!pci_is_managed(dev))
         |       ^~~~~~~~~~~~~~
   drivers/ide/ide-cd_ioctl.c: In function 'ide_cdrom_select_speed':
   drivers/ide/ide-cd_ioctl.c:212:6: warning: variable 'stat' set but not used [-Wunused-but-set-variable]
     212 |  int stat;
         |      ^~~~
   cc1: some warnings being treated as errors
--
   In file included from drivers/ata/ahci.h:22,
                    from drivers/ata/ahci_platform.c:21:
   include/linux/pci.h: In function 'pcim_alloc_irq_vectors':
>> include/linux/pci.h:1847:7: error: implicit declaration of function 'pci_is_managed' [-Werror=implicit-function-declaration]
    1847 |  if (!pci_is_managed(dev))
         |       ^~~~~~~~~~~~~~
   In file included from drivers/ata/ahci_platform.c:21:
   drivers/ata/ahci_platform.c: At top level:
   drivers/ata/ahci.h:388:16: warning: initialized field overwritten [-Woverride-init]
     388 |  .can_queue  = AHCI_MAX_CMDS,   \
         |                ^~~~~~~~~~~~~
   drivers/ata/ahci_platform.c:40:2: note: in expansion of macro 'AHCI_SHT'
      40 |  AHCI_SHT(DRV_NAME),
         |  ^~~~~~~~
   drivers/ata/ahci.h:388:16: note: (near initialization for 'ahci_platform_sht.can_queue')
     388 |  .can_queue  = AHCI_MAX_CMDS,   \
         |                ^~~~~~~~~~~~~
   drivers/ata/ahci_platform.c:40:2: note: in expansion of macro 'AHCI_SHT'
      40 |  AHCI_SHT(DRV_NAME),
         |  ^~~~~~~~
   drivers/ata/ahci.h:392:17: warning: initialized field overwritten [-Woverride-init]
     392 |  .sdev_attrs  = ahci_sdev_attrs
         |                 ^~~~~~~~~~~~~~~
   drivers/ata/ahci_platform.c:40:2: note: in expansion of macro 'AHCI_SHT'
      40 |  AHCI_SHT(DRV_NAME),
         |  ^~~~~~~~
   drivers/ata/ahci.h:392:17: note: (near initialization for 'ahci_platform_sht.sdev_attrs')
     392 |  .sdev_attrs  = ahci_sdev_attrs
         |                 ^~~~~~~~~~~~~~~
   drivers/ata/ahci_platform.c:40:2: note: in expansion of macro 'AHCI_SHT'
      40 |  AHCI_SHT(DRV_NAME),
         |  ^~~~~~~~
   cc1: some warnings being treated as errors
--
   In file included from drivers/usb/host/xhci.c:11:
   include/linux/pci.h: In function 'pcim_alloc_irq_vectors':
>> include/linux/pci.h:1847:7: error: implicit declaration of function 'pci_is_managed' [-Werror=implicit-function-declaration]
    1847 |  if (!pci_is_managed(dev))
         |       ^~~~~~~~~~~~~~
   drivers/usb/host/xhci.c: In function 'xhci_unmap_temp_buf':
   drivers/usb/host/xhci.c:1349:15: warning: variable 'len' set but not used [-Wunused-but-set-variable]
    1349 |  unsigned int len;
         |               ^~~
   cc1: some warnings being treated as errors

Kconfig warnings: (for reference only)
   WARNING: unmet direct dependencies detected for LOCKDEP
   Depends on DEBUG_KERNEL && LOCK_DEBUGGING_SUPPORT && (FRAME_POINTER || MIPS || PPC || S390 || MICROBLAZE || ARM || ARC || X86)
   Selected by
   - PROVE_LOCKING && DEBUG_KERNEL && LOCK_DEBUGGING_SUPPORT
   - DEBUG_LOCK_ALLOC && DEBUG_KERNEL && LOCK_DEBUGGING_SUPPORT


vim +/pci_is_managed +1847 include/linux/pci.h

  1827	
  1828	/**
  1829	 * pcim_alloc_irq_vectors - a device-managed pci_alloc_irq_vectors()
  1830	 * @dev:		PCI device to operate on
  1831	 * @min_vecs:		minimum number of vectors required (must be >= 1)
  1832	 * @max_vecs:		maximum (desired) number of vectors
  1833	 * @flags:		flags or quirks for the allocation
  1834	 *
  1835	 * Return the number of vectors allocated, (which might be smaller than
  1836	 * @max_vecs) if successful, or a negative error code on error. If less
  1837	 * than @min_vecs interrupt vectors are available for @dev the function
  1838	 * will fail with -ENOSPC.
  1839	 *
  1840	 * It depends on calling pcim_enable_device() to make IRQ resources
  1841	 * manageable.
  1842	 */
  1843	static inline int
  1844	pcim_alloc_irq_vectors(struct pci_dev *dev, unsigned int min_vecs,
  1845				unsigned int max_vecs, unsigned int flags)
  1846	{
> 1847		if (!pci_is_managed(dev))
  1848			return -EINVAL;
  1849		return pci_alloc_irq_vectors(dev, min_vecs, max_vecs, flags);
  1850	}
  1851	

---
0-DAY CI Kernel Test Service, Intel Corporation
https://lists.01.org/hyperkitty/list/kbuild-all@xxxxxxxxxxxx

Attachment: .config.gz
Description: application/gzip


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