Hi Eric, [auto build test ERROR on vfio/next] [also build test ERROR on v4.7] [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/Eric-Auger/KVM-PCIe-MSI-passthrough-on-ARM-ARM64-kernel-part-3-3-vfio-changes/20160803-122924 base: https://github.com/awilliam/linux-vfio.git next config: x86_64-randconfig-s1-08031247 (attached as .config) compiler: gcc-4.4 (Debian 4.4.7-8) 4.4.7 reproduce: # save the attached .config to linux build tree make ARCH=x86_64 All errors (new ones prefixed by >>): drivers/vfio/vfio_iommu_type1.c:39:29: error: linux/msi-iommu.h: No such file or directory drivers/vfio/vfio_iommu_type1.c:40:32: error: linux/msi-doorbell.h: No such file or directory drivers/vfio/vfio_iommu_type1.c: In function 'vfio_set_msi_aperture': drivers/vfio/vfio_iommu_type1.c:455: error: implicit declaration of function 'iommu_msi_set_aperture' drivers/vfio/vfio_iommu_type1.c: In function 'vfio_iommu_type1_attach_group': drivers/vfio/vfio_iommu_type1.c:935: error: implicit declaration of function 'msi_doorbell_safe' drivers/vfio/vfio_iommu_type1.c: In function 'compute_msi_geometry_caps': drivers/vfio/vfio_iommu_type1.c:1113: error: storage size of 'msi_geometry' isn't known drivers/vfio/vfio_iommu_type1.c:1122: error: 'DOMAIN_ATTR_MSI_GEOMETRY' undeclared (first use in this function) drivers/vfio/vfio_iommu_type1.c:1122: error: (Each undeclared identifier is reported only once drivers/vfio/vfio_iommu_type1.c:1122: error: for each function it appears in.) >> drivers/vfio/vfio_iommu_type1.c:1152: error: implicit declaration of function 'msi_doorbell_calc_pages' drivers/vfio/vfio_iommu_type1.c:1113: warning: unused variable 'msi_geometry' At top level: cc1: warning: unrecognized command line option "-Wno-maybe-uninitialized" vim +/msi_doorbell_calc_pages +1152 drivers/vfio/vfio_iommu_type1.c 1146 vfio_msi_geometry->order = order; 1147 /* 1148 * we compute a system-wide requirement based on all the registered 1149 * doorbells 1150 */ 1151 vfio_msi_geometry->size = > 1152 msi_doorbell_calc_pages(order) * ((uint64_t) 1 << order); 1153 1154 return 0; 1155 } --- 0-DAY kernel test infrastructure Open Source Technology Center https://lists.01.org/pipermail/kbuild-all Intel Corporation
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