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Message-ID: <Y9fSPLCyo8ZjLTYG@nvidia.com> Date: Mon, 30 Jan 2023 10:20:44 -0400 From: Jason Gunthorpe <jgg@...dia.com> To: kernel test robot <lkp@...el.com> Cc: Robin Murphy <robin.murphy@....com>, joro@...tes.org, will@...nel.org, llvm@...ts.linux.dev, oe-kbuild-all@...ts.linux.dev, iommu@...ts.linux.dev, linux-kernel@...r.kernel.org, hch@....de, baolu.lu@...ux.intel.com, "Rafael J . Wysocki" <rafael.j.wysocki@...el.com>, Greg Kroah-Hartman <gregkh@...uxfoundation.org> Subject: Re: [PATCH v2 7/8] iommu: Retire bus ops On Sat, Jan 28, 2023 at 08:55:09PM +0800, kernel test robot wrote: > >> drivers/iommu/iommufd/selftest.c:276:39: error: field designator 'iommu_ops' does not refer to any field in type 'struct bus_type' > static struct bus_type mock_bus = { .iommu_ops = &mock_ops }; So this shortcut isn't going to work.. Probably something like this is the simplest thing: diff --git a/drivers/iommu/iommufd/selftest.c b/drivers/iommu/iommufd/selftest.c index cfb5fe9a5e0ee8..27bab42b1ff841 100644 --- a/drivers/iommu/iommufd/selftest.c +++ b/drivers/iommu/iommufd/selftest.c @@ -274,6 +274,8 @@ static int iommufd_test_mock_domain(struct iommufd_ucmd *ucmd, struct iommu_test_cmd *cmd) { static struct bus_type mock_bus = { .iommu_ops = &mock_ops }; + static struct iommu_device mock_iommu = { .ops = &mock_ops }; + static struct dev_iommu mock_dev_iommu = { .iommu_dev = &mock_iommu }; struct iommufd_hw_pagetable *hwpt; struct selftest_obj *sobj; struct iommufd_ioas *ioas; @@ -291,6 +293,7 @@ static int iommufd_test_mock_domain(struct iommufd_ucmd *ucmd, sobj->idev.ictx = ucmd->ictx; sobj->type = TYPE_IDEV; sobj->idev.mock_dev.bus = &mock_bus; + sobj->idev.mock_dev.iommu = &mock_dev_iommu; hwpt = iommufd_device_selftest_attach(ucmd->ictx, ioas, &sobj->idev.mock_dev); And then delete mock_bus at this patch Jason
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