Re: [PATCH 03/10] iommu: Introduce new 'struct iommu_device'

kbuild test robot
2017-02-03T19:25:59Z

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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:444:22: 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:1094:3: 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:1115:2: 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_register +1094 drivers/iommu/dmar.c

1088 err = PTR_ERR(iommu->iommu_dev);
1089 goto err_unmap;
1090 }
1091
1092 iommu->iommu.ops = &intel_iommu_ops;
1093
> 1094 err = iommu_device_register(&iommu->iommu);
1095 if (err)
1096 goto err_unmap;
1097 }
1098
1099 drhd->iommu = iommu;
1100
1101 return 0;
1102
1103 err_unmap:
1104 unmap_iommu(iommu);
1105 error_free_seq_id:
1106 dmar_free_seq_id(iommu);
1107 error:
1108 kfree(iommu);
1109 return err;
1110 }
1111
1112 static void free_iommu(struct intel_iommu *iommu)
1113 {
1114 iommu_device_destroy(iommu->iommu_dev);
> 1115 iommu_device_unregister(&iommu->iommu);
1116
1117 if (iommu->irq) {
1118 if (iommu->pr_irq) {

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