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Age	Commit message (Collapse)	Author
2023-03-10	selftests: iommu: Fix test_cmd_destroy_access() call in user_copy	Nicolin Chen
	[ Upstream commit 9fabbdf338b701f2d763d9edbc3e82ce1e7fa1b4 ] The test_cmd_destroy_access() should end with a semicolon, so add one. There is a test_ioctl_destroy(ioas_id) following already, so drop one. Fixes: 57f0988706fe ("iommufd: Add a selftest") Link: https://lore.kernel.org/r/20230120074204.1368-1-nicolinc@nvidia.com Signed-off-by: Nicolin Chen <nicolinc@nvidia.com> Reviewed-by: Kevin Tian <kevin.tian@intel.com> Signed-off-by: Jason Gunthorpe <jgg@nvidia.com> Signed-off-by: Sasha Levin <sashal@kernel.org>
2022-11-30	iommufd: Add a selftest	Jason Gunthorpe
	Cover the essential functionality of the iommufd with a directed test from userspace. This aims to achieve reasonable functional coverage using the in-kernel self test framework. A second test does a failure injection sweep of the success paths to study error unwind behaviors. This allows achieving high coverage of the corner cases in pages.c. The selftest requires CONFIG_IOMMUFD_TEST to be enabled, and several huge pages which may require: echo 4 > /proc/sys/vm/nr_hugepages Link: https://lore.kernel.org/r/19-v6-a196d26f289e+11787-iommufd_jgg@nvidia.com Tested-by: Nicolin Chen <nicolinc@nvidia.com> Tested-by: Matthew Rosato <mjrosato@linux.ibm.com> # s390 Tested-by: Yi Liu <yi.l.liu@intel.com> Tested-by: Eric Auger <eric.auger@redhat.com> # aarch64 Signed-off-by: Nicolin Chen <nicolinc@nvidia.com> Signed-off-by: Yi Liu <yi.l.liu@intel.com> Signed-off-by: Jason Gunthorpe <jgg@nvidia.com>