Hi Lucas, [auto build test ERROR on drm/drm-next] [also build test ERROR on v4.14-rc2 next-20170929] [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/Lucas-Stach/drm-etnaviv-remove-iommu-fault-handler/20170930-080416 base: git://people.freedesktop.org/~airlied/linux.git drm-next config: arm-allyesconfig (attached as .config) compiler: arm-linux-gnueabi-gcc (Debian 6.1.1-9) 6.1.1 20160705 reproduce: wget https://raw.githubusercontent.com/intel/lkp-tests/master/sbin/make.cross -O ~/bin/make.cross chmod +x ~/bin/make.cross # save the attached .config to linux build tree make.cross ARCH=arm Note: the linux-review/Lucas-Stach/drm-etnaviv-remove-iommu-fault-handler/20170930-080416 HEAD bd98331a05ea789da46e9c1428ebffe31ca58b67 builds fine. It only hurts bisectibility. All errors (new ones prefixed by >>): >> drivers/gpu/drm/etnaviv/etnaviv_mmu.c:117:6: error: conflicting types for 'etnaviv_iommu_unmap' void etnaviv_iommu_unmap(struct etnaviv_iommu *iommu, u32 iova, ^~~~~~~~~~~~~~~~~~~ In file included from drivers/gpu/drm/etnaviv/etnaviv_mmu.c:23:0: drivers/gpu/drm/etnaviv/etnaviv_mmu.h:56:5: note: previous declaration of 'etnaviv_iommu_unmap' was here int etnaviv_iommu_unmap(struct etnaviv_iommu *iommu, u32 iova, ^~~~~~~~~~~~~~~~~~~ vim +/etnaviv_iommu_unmap +117 drivers/gpu/drm/etnaviv/etnaviv_mmu.c 116 > 117 void etnaviv_iommu_unmap(struct etnaviv_iommu *iommu, u32 iova, 118 struct sg_table *sgt, unsigned len) 119 { 120 struct iommu_domain *domain = iommu->domain; 121 struct scatterlist *sg; 122 unsigned int da = iova; 123 int i; 124 125 for_each_sg(sgt->sgl, sg, sgt->nents, i) { 126 size_t bytes = sg_dma_len(sg) + sg->offset; 127 128 etnaviv_domain_unmap(domain, da, bytes); 129 130 VERB("unmap[%d]: %08x(%zx)", i, iova, bytes); 131 132 BUG_ON(!PAGE_ALIGNED(bytes)); 133 134 da += bytes; 135 } 136 } 137 --- 0-DAY kernel test infrastructure Open Source Technology Center https://lists.01.org/pipermail/kbuild-all Intel Corporation
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