[v8 PATCH 0/2] PCI/ACPI: Support Microsoft's "DmaProperty"

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This patchset rebases two previously posted patches supporting
recognition of Microsoft's DmaProperty.

v8: Joshua renames untrusted_dma to requires_dma_protection and updates
some comments, reducing use of the word "trust" to refer to PCI devices
and matching the word choice in Microsoft's documentation.

v7: Rajat updates a comment with Robin's suggestion. Joshua re-sends and
Greg requests clarity and documentation on why untrusted_dma is the
right name.

v6: Rajat renames pci_dev_has_dma_property and links to Microsoft's
documentation in the commit message. Robin suggests clarifying a
comment.

v5: Rajat changes the name to untrusted_dma. Bjorn suggesting changing
another function's name pci_acpi_check_for_dma_protection to
pci_dev_has_dma_property and seeks clarified documentation.

v4: Rajat changes the name to poses_dma_risk. Christoph suggests this
name doesn't capture the intent as well as untrusted_dma and Rafael
agrees.

v1,v2,v3: Greg suggests that (un)trusted is the wrong word for referring
to PCI devices, recommending a name something like "platform wants to
protect dma access for this device."


Rajat Jain (2):
  PCI/ACPI: Support Microsoft's "DmaProperty"
  PCI: Rename pci_dev->untrusted to pci_dev->requires_dma_protection

 drivers/acpi/property.c     |  3 +++
 drivers/iommu/amd/iommu.c   |  3 +--
 drivers/iommu/dma-iommu.c   | 16 ++++++++--------
 drivers/iommu/intel/iommu.c | 10 +++++-----
 drivers/iommu/iommu.c       |  5 ++---
 drivers/pci/ats.c           |  2 +-
 drivers/pci/pci-acpi.c      | 22 ++++++++++++++++++++++
 drivers/pci/pci.c           |  2 +-
 drivers/pci/probe.c         |  8 ++++----
 drivers/pci/quirks.c        |  4 ++--
 include/linux/pci.h         |  7 ++++---
 11 files changed, 53 insertions(+), 29 deletions(-)


base-commit: 2d5404caa8c7bb5c4e0435f94b28834ae5456623
-- 
2.47.0.338.g60cca15819-goog





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