Merge tag 'for-linus-iommufd' of git://git.kernel.org/pub/scm/linux/kernel/git/jgg/iommufdHEADmaster

Pull iommufd updates from Jason Gunthorpe:
 "All various fixes:

   - Typo breaking the veventq uAPI for 32 bit userspace

   - Several Sashiko found errors in the veventq and fault fd paths

   - Fix incorrect use of dmabuf locks, and possible races with iommufd
     destroy and dmabuf revoke

   - Sashiko errors found in the uAPI validation for IOMMU_HWPT_INVALIDATE"

* tag 'for-linus-iommufd' of git://git.kernel.org/pub/scm/linux/kernel/git/jgg/iommufd:
  iommu: Avoid copying the user array twice in the full-array copy helper
  iommufd/selftest: Add invalidation entry_num and entry_len boundary tests
  iommufd: Set upper bounds on cache invalidation entry_num and entry_len
  iommufd: Clarify IOAS_MAP_FILE dma-buf support
  iommufd: Destroy the pages content after detaching from dmabuf
  iommufd: Take dma_resv lock before dma_buf_unpin() in release path
  iommufd/selftest: Cover invalid read counts on vEVENTQ FD
  iommufd: Avoid partial fault group delivery in iommufd_fault_fops_read()
  iommufd: Break the loop on failure in iommufd_fault_fops_read()
  iommufd: Reject invalid read count in iommufd_fault_fops_read()
  iommufd: Propagate allocation failure in iommufd_veventq_deliver_fetch()
  iommufd: Reject invalid read count in iommufd_veventq_fops_read()
  iommufd: Rewind header length in done if iommufd_veventq_fops_read() fails
  iommufd/selftest: Add boundary tests for veventq_depth
  iommufd: Set veventq_depth upper bound
  iommufd: Move vevent memory allocation outside spinlock
  iommufd: Fix data_len byte-count vs element-count mismatch
  iommufd: Use sizeof(*hdr) instead of sizeof(hdr) in veventq read

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