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Re: [PATCH 04/10] iommu: Add sysfs bindings for struct iommu_device

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Hi Joerg,

[auto build test ERROR on linus/master]
[also build test ERROR on v4.10-rc6]
[cannot apply to iommu/next next-20170203]
[if your patch is applied to the wrong git tree, please drop us a note to help improve the system]

url:    https://github.com/0day-ci/linux/commits/Joerg-Roedel/Let-IOMMU-core-know-about-individual-IOMMUs/20170203-232949
config: x86_64-randconfig-h0-02040037 (attached as .config)
compiler: gcc-4.9 (Debian 4.9.4-2) 4.9.4
reproduce:
        # save the attached .config to linux build tree
        make ARCH=x86_64 

All errors (new ones prefixed by >>):

   In file included from drivers/iommu/dmar.c:34:0:
   include/linux/intel-iommu.h:443:22: error: field 'iommu' has incomplete type
     struct iommu_device iommu;  /* IOMMU core code handle */
                         ^
   drivers/iommu/dmar.c: In function 'alloc_iommu':
>> drivers/iommu/dmar.c:1083:3: error: implicit declaration of function 'iommu_device_sysfs_add' [-Werror=implicit-function-declaration]
      err = iommu_device_sysfs_add(&iommu->iommu, NULL,
      ^
   drivers/iommu/dmar.c:1091:3: error: implicit declaration of function 'iommu_device_register' [-Werror=implicit-function-declaration]
      err = iommu_device_register(&iommu->iommu);
      ^
   drivers/iommu/dmar.c: In function 'free_iommu':
>> drivers/iommu/dmar.c:1111:2: error: implicit declaration of function 'iommu_device_sysfs_remove' [-Werror=implicit-function-declaration]
     iommu_device_sysfs_remove(&iommu->iommu);
     ^
   drivers/iommu/dmar.c:1112:2: error: implicit declaration of function 'iommu_device_unregister' [-Werror=implicit-function-declaration]
     iommu_device_unregister(&iommu->iommu);
     ^
   cc1: some warnings being treated as errors

vim +/iommu_device_sysfs_add +1083 drivers/iommu/dmar.c

  1077		if (sts & DMA_GSTS_QIES)
  1078			iommu->gcmd |= DMA_GCMD_QIE;
  1079	
  1080		raw_spin_lock_init(&iommu->register_lock);
  1081	
  1082		if (intel_iommu_enabled) {
> 1083			err = iommu_device_sysfs_add(&iommu->iommu, NULL,
  1084						     intel_iommu_groups,
  1085						     "%s", iommu->name);
  1086			if (err)
  1087				goto err_unmap;
  1088	
  1089			iommu->iommu.ops = &intel_iommu_ops;
  1090	
  1091			err = iommu_device_register(&iommu->iommu);
  1092			if (err)
  1093				goto err_unmap;
  1094		}
  1095	
  1096		drhd->iommu = iommu;
  1097	
  1098		return 0;
  1099	
  1100	err_unmap:
  1101		unmap_iommu(iommu);
  1102	error_free_seq_id:
  1103		dmar_free_seq_id(iommu);
  1104	error:
  1105		kfree(iommu);
  1106		return err;
  1107	}
  1108	
  1109	static void free_iommu(struct intel_iommu *iommu)
  1110	{
> 1111		iommu_device_sysfs_remove(&iommu->iommu);
  1112		iommu_device_unregister(&iommu->iommu);
  1113	
  1114		if (iommu->irq) {

---
0-DAY kernel test infrastructure                Open Source Technology Center
https://lists.01.org/pipermail/kbuild-all                   Intel Corporation

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[PATCH 00/10] Let IOMMU core know about individual IOMMUs Joerg Roedel <joro@8bytes.org> - 2017-02-03 16:20 +0100
  [PATCH 10/10] iommu: Remove iommu_register_instance interface Joerg Roedel <joro@8bytes.org> - 2017-02-03 16:20 +0100
  [PATCH 02/10] iommu: Rename struct iommu_device Joerg Roedel <joro@8bytes.org> - 2017-02-03 16:20 +0100
  [PATCH 01/10] iommu: Rename iommu_get_instance() Joerg Roedel <joro@8bytes.org> - 2017-02-03 16:20 +0100
  [PATCH 08/10] iommu/mediatek: Make use of iommu_device_register interface Joerg Roedel <joro@8bytes.org> - 2017-02-03 16:20 +0100
  [PATCH 06/10] iommu/arm-smmu: Make use of the iommu_register interface Joerg Roedel <joro@8bytes.org> - 2017-02-03 16:20 +0100
  [PATCH 03/10] iommu: Introduce new 'struct iommu_device' Joerg Roedel <joro@8bytes.org> - 2017-02-03 16:30 +0100
    Re: [PATCH 03/10] iommu: Introduce new 'struct iommu_device' kbuild test robot <lkp@intel.com> - 2017-02-03 17:10 +0100
    Re: [PATCH 03/10] iommu: Introduce new 'struct iommu_device' kbuild test robot <lkp@intel.com> - 2017-02-03 20:30 +0100
  [PATCH 04/10] iommu: Add sysfs bindings for struct iommu_device Joerg Roedel <joro@8bytes.org> - 2017-02-03 16:30 +0100
    Re: [PATCH 04/10] iommu: Add sysfs bindings for struct iommu_device kbuild test robot <lkp@intel.com> - 2017-02-03 21:00 +0100
  [PATCH 09/10] iommu/exynos: Make use of iommu_device_register interface Joerg Roedel <joro@8bytes.org> - 2017-02-03 16:30 +0100
  [PATCH 05/10] iommu: Make iommu_device_link/unlink take a struct iommu_device Joerg Roedel <joro@8bytes.org> - 2017-02-03 16:30 +0100
  [PATCH 07/10] iommu/msm: Make use of iommu_device_register interface Joerg Roedel <joro@8bytes.org> - 2017-02-03 16:30 +0100

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