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Message-ID: <aDmght5YpHmJ6qZ2@8bytes.org>
Date: Fri, 30 May 2025 14:11:50 +0200
From: Joerg Roedel <joro@...tes.org>
To: Linus Torvalds <torvalds@...ux-foundation.org>
Cc: Will Deacon <will@...nel.org>, linux-kernel@...r.kernel.org,
iommu@...ts.linux.dev
Subject: [git pull] IOMMU Updates for Linux v6.16
Hi Linus,
Please note that I alread sent you the fixes branch for v6.15-rc7, thus
the actual merge diff-stat you will get is different from the one below.
With that in mind:
The following changes since commit a5806cd506af5a7c19bcd596e4708b5c464bfd21:
Linux 6.15-rc7 (2025-05-18 13:57:29 -0700)
are available in the Git repository at:
git://git.kernel.org/pub/scm/linux/kernel/git/iommu/linux.git tags/iommu-updates-v6.16
for you to fetch changes up to 879b141b7cfa09763f932f15f19e9bc0bcb020d5:
Merge branches 'fixes', 'apple/dart', 'arm/smmu/updates', 'arm/smmu/bindings', 'fsl/pamu', 'mediatek', 'renesas/ipmmu', 's390', 'intel/vt-d', 'amd/amd-vi' and 'core' into next (2025-05-23 17:14:32 +0200)
----------------------------------------------------------------
IOMMU Updates for Linux v6.16:
Including:
- Core:
- Introduction of iommu-pages infrastructure to consolitate page-table
allocation code among hardware drivers. This is ground-work for more
generalization in the future.
- Remove IOMMU_DEV_FEAT_SVA and IOMMU_DEV_FEAT_IOPF feature flags.
- Convert virtio-iommu to domain_alloc_paging().
- KConfig cleanups.
- Some small fixes for possible overflows and race conditions.
- Intel VT-d driver:
- Restore WO permissions on second-level paging entries.
- Use ida to manage domain id.
- Miscellaneous cleanups.
- AMD-Vi:
- Make sure notifiers finish running before module unload.
- Add support for HTRangeIgnore feature.
- Allow matching ACPI HID devices without matching UIDs.
- ARM-SMMU:
- SMMUv2:
- Recognise the compatible string for SAR2130P MDSS in the Qualcomm
driver, as this device requires an identity domain.
- Fix Adreno stall handling so that GPU debugging is more robust and
doesn't e.g. result in deadlock.
- SMMUv3:
- Fix ->attach_dev() error reporting for unrecognised domains.
- IO-pgtable:
- Allow clients (notably, drivers that process requests from
userspace) to silence warnings when mapping an already-mapped IOVA.
- S390:
- Add support for additional table regions.
- Mediatek:
- Add support for MT6893 MM IOMMU.
- Some smaller fixes and improvements in various other drivers.
----------------------------------------------------------------
AngeloGioacchino Del Regno (3):
dt-bindings: iommu: mediatek: Add binding for MT6893 MM IOMMU
iommu/mediatek: Add support for Dimensity 1200 MT6893 MM IOMMU
iommu/mediatek: Fix compatible typo for mediatek,mt6893-iommu-mm
Arnd Bergmann (2):
iommu: ipmmu-vmsa: avoid Wformat-security warning
iommu/io-pgtable-arm: dynamically allocate selftest device struct
Chen Ni (1):
iommu: apple-dart: Remove unnecessary NULL check before free_io_pgtable_ops()
Colin Ian King (1):
iommu/fsl_pamu: remove trailing space after \n
Connor Abbott (3):
iommu/arm-smmu-qcom: Enable threaded IRQ for Adreno SMMUv2/MMU500
iommu/arm-smmu: Move handing of RESUME to the context fault handler
iommu/arm-smmu-qcom: Make set_stall work when the device is on
Dmitry Baryshkov (1):
iommu/arm-smmu-qcom: Add SAR2130P MDSS compatible
Jason Gunthorpe (33):
iommu/terga: Do not use struct page as the handle for as->pd memory
iommu/tegra: Do not use struct page as the handle for pts
iommu/pages: Remove __iommu_alloc_pages()/__iommu_free_pages()
iommu/pages: Make iommu_put_pages_list() work with high order allocations
iommu/pages: Remove the order argument to iommu_free_pages()
iommu/pages: Remove iommu_free_page()
iommu/pages: De-inline the substantial functions
iommu/pages: Formalize the freelist API
iommu/riscv: Convert to use struct iommu_pages_list
iommu/amd: Convert to use struct iommu_pages_list
iommu: Change iommu_iotlb_gather to use iommu_page_list
iommu/pages: Remove iommu_put_pages_list_old and the _Generic
iommu/pages: Move from struct page to struct ioptdesc and folio
iommu/pages: Move the __GFP_HIGHMEM checks into the common code
iommu/pages: Allow sub page sizes to be passed into the allocator
iommu/amd: Change rlookup, irq_lookup, and alias to use kvalloc()
iommu/amd: Use roundup_pow_two() instead of get_order()
iommu/riscv: Update to use iommu_alloc_pages_node_lg2()
iommu: Update various drivers to pass in lg2sz instead of order to iommu pages
iommu/pages: Remove iommu_alloc_page/pages()
iommu/pages: Remove iommu_alloc_page_node()
iommu/amd: Use iommu_alloc_pages_node_sz() for the IRT
iommu/vtd: Remove iommu_alloc_pages_node()
iommu/arm-smmu-v3: Put iopf enablement in the domain attach path
iommu: Remove IOMMU_DEV_FEAT_SVA
iommu/virtio: Break out bypass identity support into a global static
iommu: Add domain_alloc_identity()
iommu/virtio: Move to domain_alloc_paging()
iommu: Do not call domain_alloc() in iommu_sva_domain_alloc()
iommu: Hide ops.domain_alloc behind CONFIG_FSL_PAMU
iommu: Protect against overflow in iommu_pgsize()
iommu/vt-d: Restore WO permissions on second-level paging entries
iommu: Clear the freelist after iommu_put_pages_list()
Joerg Roedel (1):
Merge branches 'fixes', 'apple/dart', 'arm/smmu/updates', 'arm/smmu/bindings', 'fsl/pamu', 'mediatek', 'renesas/ipmmu', 's390', 'intel/vt-d', 'amd/amd-vi' and 'core' into next
Lu Baolu (11):
iommu/vt-d: Put iopf enablement in domain attach path
iommufd/selftest: Put iopf enablement in domain attach path
dmaengine: idxd: Remove unnecessary IOMMU_DEV_FEAT_IOPF
uacce: Remove unnecessary IOMMU_DEV_FEAT_IOPF
iommufd: Remove unnecessary IOMMU_DEV_FEAT_IOPF
iommu: Remove iommu_dev_enable/disable_feature()
iommu: Allow attaching static domains in iommu_attach_device_pasid()
iommu: Cleanup comments for dev_enable/disable_feat
iommu/vt-d: Use ida to manage domain id
iommu/vt-d: Replace spin_lock with mutex to protect domain ida
iommu/vt-d: Restore context entry setup order for aliased devices
Mario Limonciello (1):
iommu/amd: Allow matching ACPI HID devices without matching UIDs
Matthew Rosato (5):
iommu/s390: set appropriate IOTA region type
iommu/s390: support cleanup of additional table regions
iommu/s390: support iova_to_phys for additional table regions
iommu/s390: support map/unmap for additional table regions
iommu/s390: allow larger region tables
Qinxin Xia (1):
iommu/arm-smmu-v3: Fix incorrect return in arm_smmu_attach_dev
Rob Clark (1):
iommu/io-pgtable-arm: Add quirk to quiet WARN_ON()
Robin Murphy (3):
iommu: Avoid introducing more races
iommu: Split out and tidy up Arm Kconfig
iommu: Handle yet another race around registration
Rolf Eike Beer (5):
iommu: remove duplicate selection of DMAR_TABLE
iommu: make inclusion of intel directory conditional
iommu: make inclusion of amd directory conditional
iommu: make inclusion of riscv directory conditional
iommu: make inclusion of arm/arm-smmu-v3 directory conditional
Sairaj Kodilkar (1):
iommu/amd: Add support for HTRangeIgnore feature
Sean Christopherson (1):
iommu/amd: Ensure GA log notifier callbacks finish running before module unload
Tushar Dave (1):
iommu: Skip PASID validation for devices without PASID capability
Wei Wang (2):
iommu/vt-d: Eliminate pci_physfn() in dmar_find_matched_satc_unit()
iommu/vt-d: Change dmar_ats_supported() to return boolean
.../devicetree/bindings/iommu/mediatek,iommu.yaml | 4 +
arch/s390/include/asm/pci_dma.h | 3 +
drivers/accel/amdxdna/aie2_pci.c | 13 +-
drivers/dma/idxd/init.c | 41 +--
drivers/iommu/Kconfig | 158 +---------
drivers/iommu/Makefile | 6 +-
drivers/iommu/amd/Makefile | 2 +-
drivers/iommu/amd/amd_iommu.h | 2 +
drivers/iommu/amd/amd_iommu_types.h | 10 +-
drivers/iommu/amd/init.c | 94 +++---
drivers/iommu/amd/io_pgtable.c | 38 +--
drivers/iommu/amd/io_pgtable_v2.c | 12 +-
drivers/iommu/amd/iommu.c | 94 +++---
drivers/iommu/amd/ppr.c | 2 +-
drivers/iommu/apple-dart.c | 3 +-
drivers/iommu/arm/Kconfig | 144 +++++++++
drivers/iommu/arm/Makefile | 3 +-
drivers/iommu/arm/arm-smmu-v3/Makefile | 2 +-
drivers/iommu/arm/arm-smmu-v3/arm-smmu-v3-sva.c | 86 +----
drivers/iommu/arm/arm-smmu-v3/arm-smmu-v3.c | 138 +++++----
drivers/iommu/arm/arm-smmu-v3/arm-smmu-v3.h | 39 +--
drivers/iommu/arm/arm-smmu/arm-smmu-qcom-debug.c | 9 +
drivers/iommu/arm/arm-smmu/arm-smmu-qcom.c | 44 ++-
drivers/iommu/arm/arm-smmu/arm-smmu.c | 6 +
drivers/iommu/dma-iommu.c | 11 +-
drivers/iommu/exynos-iommu.c | 12 +-
drivers/iommu/fsl_pamu_domain.c | 2 +-
drivers/iommu/intel/Makefile | 7 +-
drivers/iommu/intel/dmar.c | 14 +-
drivers/iommu/intel/iommu.c | 244 ++++++---------
drivers/iommu/intel/iommu.h | 62 +++-
drivers/iommu/intel/irq_remapping.c | 12 +-
drivers/iommu/intel/nested.c | 20 +-
drivers/iommu/intel/pasid.c | 13 +-
drivers/iommu/intel/pasid.h | 1 -
drivers/iommu/intel/prq.c | 7 +-
drivers/iommu/intel/svm.c | 9 +-
drivers/iommu/io-pgtable-arm.c | 58 ++--
drivers/iommu/io-pgtable-dart.c | 23 +-
drivers/iommu/iommu-pages.c | 119 +++++++
drivers/iommu/iommu-pages.h | 195 ++++--------
drivers/iommu/iommu-sva.c | 18 +-
drivers/iommu/iommu.c | 150 ++++-----
drivers/iommu/iommufd/device.c | 59 ++--
drivers/iommu/iommufd/eventq.c | 48 +--
drivers/iommu/iommufd/iommufd_private.h | 6 -
drivers/iommu/iommufd/selftest.c | 57 +++-
drivers/iommu/ipmmu-vmsa.c | 3 +-
drivers/iommu/mtk_iommu.c | 37 ++-
drivers/iommu/riscv/Makefile | 2 +-
drivers/iommu/riscv/iommu.c | 43 +--
drivers/iommu/rockchip-iommu.c | 14 +-
drivers/iommu/s390-iommu.c | 345 +++++++++++++++++++--
drivers/iommu/sun50i-iommu.c | 6 +-
drivers/iommu/tegra-smmu.c | 111 +++----
drivers/iommu/virtio-iommu.c | 187 ++++++-----
drivers/misc/uacce/uacce.c | 40 ---
.../memory/mediatek,mt6893-memory-port.h | 288 +++++++++++++++++
include/linux/adreno-smmu-priv.h | 6 +-
include/linux/io-pgtable.h | 8 +
include/linux/iommu.h | 65 ++--
61 files changed, 1884 insertions(+), 1371 deletions(-)
create mode 100644 drivers/iommu/arm/Kconfig
create mode 100644 drivers/iommu/iommu-pages.c
create mode 100644 include/dt-bindings/memory/mediatek,mt6893-memory-port.h
Please pull.
Thanks,
Joerg
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