[PATCH v2 00/17] Fix BUG_ON in vfio_iommu_group_notifier()

From: Lu Baolu
Date: Sat Nov 27 2021 - 21:53:26 EST


The original post and intent of this series is here.
https://lore.kernel.org/linux-iommu/20211115020552.2378167-1-baolu.lu@xxxxxxxxxxxxxxx/

Change log:
v1: initial post
- https://lore.kernel.org/linux-iommu/20211115020552.2378167-1-baolu.lu@xxxxxxxxxxxxxxx/

v2:
- Move kernel dma ownership auto-claiming from driver core to bus
callback. [Greg/Christoph/Robin/Jason]
https://lore.kernel.org/linux-iommu/20211115020552.2378167-1-baolu.lu@xxxxxxxxxxxxxxx/T/#m153706912b770682cb12e3c28f57e171aa1f9d0c

- Code and interface refactoring for iommu_set/release_dma_owner()
interfaces. [Jason]
https://lore.kernel.org/linux-iommu/20211115020552.2378167-1-baolu.lu@xxxxxxxxxxxxxxx/T/#mea70ed8e4e3665aedf32a5a0a7db095bf680325e

- [NEW]Add new iommu_attach/detach_device_shared() interfaces for
multiple devices group. [Robin/Jason]
https://lore.kernel.org/linux-iommu/20211115020552.2378167-1-baolu.lu@xxxxxxxxxxxxxxx/T/#mea70ed8e4e3665aedf32a5a0a7db095bf680325e

- [NEW]Use iommu_attach/detach_device_shared() in drm/tegra drivers.

- Refactoring and description refinement.

This is based on v5.16-rc2 and available on github:
https://github.com/LuBaolu/intel-iommu/commits/iommu-dma-ownership-v2

Best regards,
baolu

Jason Gunthorpe (2):
vfio: Delete the unbound_list
drm/tegra: Use the iommu dma_owner mechanism

Lu Baolu (15):
iommu: Add device dma ownership set/release interfaces
driver core: Add dma_unconfigure callback in bus_type
PCI: Add driver dma ownership management
driver core: platform: Add driver dma ownership management
amba: Add driver dma ownership management
bus: fsl-mc: Add driver dma ownership management
PCI: pci_stub: Suppress kernel DMA ownership auto-claiming
PCI: portdrv: Suppress kernel DMA ownership auto-claiming
iommu: Add security context management for assigned devices
iommu: Expose group variants of dma ownership interfaces
iommu: Add iommu_at[de]tach_device_shared() for multi-device groups
vfio: Set DMA USER ownership for VFIO devices
vfio: Remove use of vfio_group_viable()
vfio: Remove iommu group notifier
iommu: Remove iommu group changes notifier

include/linux/amba/bus.h | 1 +
include/linux/device/bus.h | 3 +
include/linux/fsl/mc.h | 5 +
include/linux/iommu.h | 93 ++++++--
include/linux/pci.h | 5 +
include/linux/platform_device.h | 1 +
drivers/amba/bus.c | 30 ++-
drivers/base/dd.c | 7 +-
drivers/base/platform.c | 30 ++-
drivers/bus/fsl-mc/fsl-mc-bus.c | 26 +-
drivers/gpu/drm/tegra/dc.c | 1 +
drivers/gpu/drm/tegra/drm.c | 55 ++---
drivers/gpu/drm/tegra/gr2d.c | 1 +
drivers/gpu/drm/tegra/gr3d.c | 1 +
drivers/gpu/drm/tegra/vic.c | 1 +
drivers/iommu/iommu.c | 329 ++++++++++++++++++++------
drivers/pci/pci-driver.c | 21 ++
drivers/pci/pci-stub.c | 1 +
drivers/pci/pcie/portdrv_pci.c | 2 +
drivers/vfio/fsl-mc/vfio_fsl_mc.c | 1 +
drivers/vfio/pci/vfio_pci.c | 1 +
drivers/vfio/platform/vfio_amba.c | 1 +
drivers/vfio/platform/vfio_platform.c | 1 +
drivers/vfio/vfio.c | 248 ++-----------------
24 files changed, 502 insertions(+), 363 deletions(-)

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2.25.1