Hi Suravee, I love your patch! Yet something to improve: [auto build test ERROR on iommu/next] [also build test ERROR on v4.15 next-20180202] [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/Suravee-Suthikulpanit/iommu-Fix-iommu_unmap-and-iommu_unmap_fast-return-type/20180203-015316 base: https://git.kernel.org/pub/scm/linux/kernel/git/joro/iommu.git next config: s390-allyesconfig (attached as .config) compiler: s390x-linux-gnu-gcc (Debian 7.2.0-11) 7.2.0 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=s390 All errors (new ones prefixed by >>): >> drivers//iommu/s390-iommu.c:373:11: error: initialization from incompatible pointer type [-Werror=incompatible-pointer-types] .unmap = s390_iommu_unmap, ^~~~~~~~~~~~~~~~ drivers//iommu/s390-iommu.c:373:11: note: (near initialization for 's390_iommu_ops.unmap') cc1: some warnings being treated as errors vim +373 drivers//iommu/s390-iommu.c f42c22351 Joerg Roedel 2017-04-27 365 cceb84519 Arvind Yadav 2017-08-28 366 static const struct iommu_ops s390_iommu_ops = { 8128f23c4 Gerald Schaefer 2015-08-27 367 .capable = s390_iommu_capable, 8128f23c4 Gerald Schaefer 2015-08-27 368 .domain_alloc = s390_domain_alloc, 8128f23c4 Gerald Schaefer 2015-08-27 369 .domain_free = s390_domain_free, 8128f23c4 Gerald Schaefer 2015-08-27 370 .attach_dev = s390_iommu_attach_device, 8128f23c4 Gerald Schaefer 2015-08-27 371 .detach_dev = s390_iommu_detach_device, 8128f23c4 Gerald Schaefer 2015-08-27 372 .map = s390_iommu_map, 8128f23c4 Gerald Schaefer 2015-08-27 @373 .unmap = s390_iommu_unmap, 8128f23c4 Gerald Schaefer 2015-08-27 374 .iova_to_phys = s390_iommu_iova_to_phys, 8128f23c4 Gerald Schaefer 2015-08-27 375 .add_device = s390_iommu_add_device, 8128f23c4 Gerald Schaefer 2015-08-27 376 .remove_device = s390_iommu_remove_device, 0929deca4 Joerg Roedel 2017-06-15 377 .device_group = generic_device_group, 8128f23c4 Gerald Schaefer 2015-08-27 378 .pgsize_bitmap = S390_IOMMU_PGSIZES, 8128f23c4 Gerald Schaefer 2015-08-27 379 }; 8128f23c4 Gerald Schaefer 2015-08-27 380 :::::: The code at line 373 was first introduced by commit :::::: 8128f23c436d0dd4f72412e1bf9256e424479dc3 iommu/s390: Add iommu api for s390 pci devices :::::: TO: Gerald Schaefer <gerald.schaefer@xxxxxxxxxx> :::::: CC: Joerg Roedel <jroedel@xxxxxxx> --- 0-DAY kernel test infrastructure Open Source Technology Center https://lists.01.org/pipermail/kbuild-all Intel Corporation
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