Re: [PATCH v4 2/5] iommufd/selftest: Add IOMMU_TEST_OP_ACCESS_SET_IOAS coverage

On Wed, Mar 08, 2023 at 06:25:59AM -0800, Nicolin Chen wrote:

Add a new IOMMU_TEST_OP_ACCESS_SET_IOAS to allow setting access->ioas individually, corresponding to the iommufd_access_set_ioas() helper.

Reviewed-by: Kevin Tian kevin.tian@intel.com Signed-off-by: Nicolin Chen nicolinc@nvidia.com

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drivers/iommu/iommufd/iommufd_test.h | 4 +++ drivers/iommu/iommufd/selftest.c | 26 +++++++++++++++---- tools/testing/selftests/iommu/iommufd_utils.h | 22 ++++++++++++++-- 3 files changed, 45 insertions(+), 7 deletions(-)

I'd prefer we keep it so that the IOAS can be setup with an argument, this will greatly help syzkaller

Lets have it so a 0 ioas will avoid the setup so the second call can happen

Jason