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(parent: e26eed4) | patch
iommufd: Add additional invariant assertions
authorJason Gunthorpe <jgg@nvidia.com>
Tue, 29 Nov 2022 20:29:41 +0000 (16:29 -0400)
committerJason Gunthorpe <jgg@nvidia.com>
Thu, 1 Dec 2022 00:16:49 +0000 (20:16 -0400)
commit52f528583bb395495f7dd35e6e4d548bccbf8a73
tree4f8a4784a2352553acd8895585730ef3924daa5ctree | snapshot
parente26eed4f623da70913b535631a29764d108efe98commit | diff
iommufd: Add additional invariant assertions

These are on performance paths so we protect them using the
CONFIG_IOMMUFD_TEST to not take a hit during normal operation.

These are useful when running the test suite and syzkaller to find data
structure inconsistencies early.

Link: https://lore.kernel.org/r/18-v6-a196d26f289e+11787-iommufd_jgg@nvidia.com
Tested-by: Yi Liu <yi.l.liu@intel.com>
Tested-by: Matthew Rosato <mjrosato@linux.ibm.com> # s390
Signed-off-by: Jason Gunthorpe <jgg@nvidia.com>
drivers/iommu/iommufd/device.c diff | blob | history
drivers/iommu/iommufd/io_pagetable.c diff | blob | history
drivers/iommu/iommufd/io_pagetable.h diff | blob | history
drivers/iommu/iommufd/pages.c diff | blob | history
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