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[v2,0/2] thunderbolt: Make iommu_dma_protection more accurate

Message ID cover.1647624084.git.robin.murphy@arm.com (mailing list archive)
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Series thunderbolt: Make iommu_dma_protection more accurate | expand

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Robin Murphy March 18, 2022, 5:42 p.m. UTC 
OK, here's chapter 3 in the story of "but I really just want to
remove iommu_present()", which is the second go at this approach
on the Thunderbolt end, but now improving the IOMMU end as well
since the subtlety of why that still matters has been clarified.
Previous thread here:

https://lore.kernel.org/linux-iommu/f887686a-e7e4-f031-97e8-dbeb1c088095@arm.com/T/

Thanks,
Robin.


Robin Murphy (2):
  iommu: Add capability for pre-boot DMA protection
  thunderbolt: Make iommu_dma_protection more accurate

 drivers/iommu/intel/iommu.c  |  2 ++
 drivers/thunderbolt/domain.c | 12 +++--------
 drivers/thunderbolt/nhi.c    | 41 ++++++++++++++++++++++++++++++++++++
 include/linux/iommu.h        |  7 ++++++
 include/linux/thunderbolt.h  |  2 ++
 5 files changed, 55 insertions(+), 9 deletions(-)