History log of /linux/drivers/iommu/intel/Kconfig (Results 1 – 25 of 197)
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Revision tags: v6.19-rc2
# 24f171c7 21-Dec-2025 Takashi Iwai <tiwai@suse.de>

Merge tag 'asoc-fix-v6.19-rc1' of https://git.kernel.org/pub/scm/linux/kernel/git/broonie/sound into for-linus

ASoC: Fixes for v6.19

We've been quite busy with fixes since the merge window, though

Merge tag 'asoc-fix-v6.19-rc1' of https://git.kernel.org/pub/scm/linux/kernel/git/broonie/sound into for-linus

ASoC: Fixes for v6.19

We've been quite busy with fixes since the merge window, though not in
any particularly exciting ways - the standout thing is the fix for _SX
controls which were broken by a change to how we do clamping, otherwise
it's all fairly run of the mill fixes and quirks.

show more ...


# 84318277 15-Dec-2025 Maarten Lankhorst <dev@lankhorst.se>

Merge remote-tracking branch 'drm/drm-fixes' into drm-misc-fixes

Pull in rc1 to include all changes since the merge window closed,
and grab all fixes and changes from drm/drm-next.

Signed-off-by: M

Merge remote-tracking branch 'drm/drm-fixes' into drm-misc-fixes

Pull in rc1 to include all changes since the merge window closed,
and grab all fixes and changes from drm/drm-next.

Signed-off-by: Maarten Lankhorst <dev@lankhorst.se>

show more ...


Revision tags: v6.19-rc1
# ce5cfb0f 05-Dec-2025 Linus Torvalds <torvalds@linux-foundation.org>

Merge tag 'iommu-updates-v6.19' of git://git.kernel.org/pub/scm/linux/kernel/git/iommu/linux

Pull iommu updates from Joerg Roedel:

- Introduction of the generic IO page-table framework with suppor

Merge tag 'iommu-updates-v6.19' of git://git.kernel.org/pub/scm/linux/kernel/git/iommu/linux

Pull iommu updates from Joerg Roedel:

- Introduction of the generic IO page-table framework with support for
Intel and AMD IOMMU formats from Jason.

This has good potential for unifying more IO page-table
implementations and making future enhancements more easy. But this
also needed quite some fixes during development. All known issues
have been fixed, but my feeling is that there is a higher potential
than usual that more might be needed.

- Intel VT-d updates:
- Use right invalidation hint in qi_desc_iotlb()
- Reduce the scope of INTEL_IOMMU_FLOPPY_WA

- ARM-SMMU updates:
- Qualcomm device-tree binding updates for Kaanapali and Glymur SoCs
and a new clock for the TBU.
- Fix error handling if level 1 CD table allocation fails.
- Permit more than the architectural maximum number of SMRs for
funky Qualcomm mis-implementations of SMMUv2.

- Mediatek driver:
- MT8189 iommu support

- Move ARM IO-pgtable selftests to kunit

- Device leak fixes for a couple of drivers

- Random smaller fixes and improvements

* tag 'iommu-updates-v6.19' of git://git.kernel.org/pub/scm/linux/kernel/git/iommu/linux: (81 commits)
iommupt/vtd: Support mgaw's less than a 4 level walk for first stage
iommupt/vtd: Allow VT-d to have a larger table top than the vasz requires
powerpc/pseries/svm: Make mem_encrypt.h self contained
genpt: Make GENERIC_PT invisible
iommupt: Avoid a compiler bug with sw_bit
iommu/arm-smmu-qcom: Enable use of all SMR groups when running bare-metal
iommupt: Fix unlikely flows in increase_top()
iommu/amd: Propagate the error code returned by __modify_irte_ga() in modify_irte_ga()
MAINTAINERS: Update my email address
iommu/arm-smmu-v3: Fix error check in arm_smmu_alloc_cd_tables
dt-bindings: iommu: qcom_iommu: Allow 'tbu' clock
iommu/vt-d: Restore previous domain::aperture_end calculation
iommu/vt-d: Fix unused invalidation hint in qi_desc_iotlb
iommu/vt-d: Set INTEL_IOMMU_FLOPPY_WA depend on BLK_DEV_FD
iommu/tegra: fix device leak on probe_device()
iommu/sun50i: fix device leak on of_xlate()
iommu/omap: simplify probe_device() error handling
iommu/omap: fix device leaks on probe_device()
iommu/mediatek-v1: add missing larb count sanity check
iommu/mediatek-v1: fix device leaks on probe()
...

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Revision tags: v6.18
# 0d081b16 28-Nov-2025 Joerg Roedel <joerg.roedel@amd.com>

Merge branches 'arm/smmu/updates', 'arm/smmu/bindings', 'mediatek', 'nvidia/tegra', 'intel/vt-d', 'amd/amd-vi' and 'core' into next


Revision tags: v6.18-rc7
# cb3db5a3 19-Nov-2025 Vineeth Pillai (Google) <vineeth@bitbyteword.org>

iommu/vt-d: Set INTEL_IOMMU_FLOPPY_WA depend on BLK_DEV_FD

INTEL_IOMMU_FLOPPY_WA workaround was introduced to create direct mappings
for first 16MB for floppy devices as the floppy drivers were not

iommu/vt-d: Set INTEL_IOMMU_FLOPPY_WA depend on BLK_DEV_FD

INTEL_IOMMU_FLOPPY_WA workaround was introduced to create direct mappings
for first 16MB for floppy devices as the floppy drivers were not using
dma apis. We need not do this direct map if floppy driver is not
enabled.

INTEL_IOMMU_FLOPPY_WA is generally not a good idea. Iommu will be
mapping pages in this address range while kernel would also be
allocating from this range(mostly on memory stress). A misbehaving
device using this domain will have access to the pages that the
kernel might be actively using. We noticed this while running a test
that was trying to figure out if any pages used by kernel is in iommu
page tables.

This patch reduces the scope of the above issue by disabling the
workaround when floppy driver is not enabled. But we would still need to
fix the floppy driver to use dma apis so that we need not do direct map
without reserving the pages. Or the other option is to reserve this
memory range in firmware so that kernel will not use the pages.

Fixes: d850c2ee5fe2 ("iommu/vt-d: Expose ISA direct mapping region via iommu_get_resv_regions")
Fixes: 49a0429e53f2 ("Intel IOMMU: Iommu floppy workaround")
Signed-off-by: Vineeth Pillai (Google) <vineeth@bitbyteword.org>
Link: https://lore.kernel.org/r/20251002161625.1155133-1-vineeth@bitbyteword.org
Signed-off-by: Lu Baolu <baolu.lu@linux.intel.com>
Signed-off-by: Joerg Roedel <joerg.roedel@amd.com>

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Revision tags: v6.18-rc6, v6.18-rc5, v6.18-rc4, v6.18-rc3
# d373449d 23-Oct-2025 Jason Gunthorpe <jgg@nvidia.com>

iommu/vt-d: Use the generic iommu page table

Replace the VT-d iommu_domain implementation of the VT-d second stage and
first stage page tables with the iommupt VTDSS and x86_64
pagetables. x86_64 is

iommu/vt-d: Use the generic iommu page table

Replace the VT-d iommu_domain implementation of the VT-d second stage and
first stage page tables with the iommupt VTDSS and x86_64
pagetables. x86_64 is shared with the AMD driver.

There are a couple notable things in VT-d:
- Like AMD the second stage format is not sign extended, unlike AMD it
cannot decode a full 64 bits. The first stage format is a normal sign
extended x86 page table
- The HW caps can indicate how many levels, how many address bits and what
leaf page sizes are supported in HW. As before the highest number of
levels that can translate the entire supported address width is used.
The supported page sizes are adjusted directly from the dedicated
first/second stage cap bits.
- VTD requires flushing 'write buffers'. This logic is left unchanged,
the write buffer flushes on any gather flush or through iotlb_sync_map.
- Like ARM, VTD has an optional non-coherent page table walker that
requires cache flushing. This is supported through PT_FEAT_DMA_INCOHERENT
the same as ARM, however x86 can't use the DMA API for flush, it must
call the arch function clflush_cache_range()
- The PT_FEAT_DYNAMIC_TOP can probably be supported on VT-d someday for the
second stage when it uses 128 bit atomic stores for the HW context
structures.
- PT_FEAT_VTDSS_FORCE_WRITEABLE is used to work around ERRATA_772415_SPR17
- A kernel command line parameter "sp_off" disables all page sizes except
4k

Remove all the unused iommu_domain page table code. The debugfs paths have
their own independent page table walker that is left alone for now.

This corrects a race with the non-coherent walker that the ARM
implementations have fixed:

CPU 0 CPU 1
pfn_to_dma_pte() pfn_to_dma_pte()
pte = &parent[offset];
if (!dma_pte_present(pte)) {
try_cmpxchg64(&pte->val)
pte = &parent[offset];
.. dma_pte_present(pte) ..
[...]
// iommu_map() completes
// Device does DMA
domain_flush_cache(pte)

The CPU 1 mapping operation shares a page table level with the CPU 0
mapping operation. CPU 0 installed a new page table level but has not
flushed it yet. CPU1 returns from iommu_map() and the device does DMA. The
non coherent walker fails to see the new table level installed by CPU 0
and fails the DMA with non-present.

The iommupt PT_FEAT_DMA_INCOHERENT implementation uses the ARM design of
storing a flag when CPU 0 completes the flush. If the flag is not set CPU
1 will also flush to ensure the HW can fully walk to the PTE being
installed.

Cc: Tina Zhang <tina.zhang@intel.com>
Reviewed-by: Lu Baolu <baolu.lu@linux.intel.com>
Reviewed-by: Kevin Tian <kevin.tian@intel.com>
Signed-off-by: Jason Gunthorpe <jgg@nvidia.com>
Signed-off-by: Joerg Roedel <joerg.roedel@amd.com>

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Revision tags: v6.18-rc2, v6.18-rc1, v6.17, v6.17-rc7, v6.17-rc6, v6.17-rc5, v6.17-rc4, v6.17-rc3, v6.17-rc2, v6.17-rc1, v6.16, v6.16-rc7, v6.16-rc6, v6.16-rc5, v6.16-rc4, v6.16-rc3, v6.16-rc2, v6.16-rc1, v6.15, v6.15-rc7, v6.15-rc6, v6.15-rc5, v6.15-rc4, v6.15-rc3, v6.15-rc2, v6.15-rc1, v6.14, v6.14-rc7, v6.14-rc6, v6.14-rc5, v6.14-rc4, v6.14-rc3, v6.14-rc2
# c771600c 05-Feb-2025 Tvrtko Ursulin <tursulin@ursulin.net>

Merge drm/drm-next into drm-intel-gt-next

We need
4ba4f1afb6a9 ("perf: Generic hotplug support for a PMU with a scope")
in order to land a i915 PMU simplification and a fix. That landed in 6.12
and

Merge drm/drm-next into drm-intel-gt-next

We need
4ba4f1afb6a9 ("perf: Generic hotplug support for a PMU with a scope")
in order to land a i915 PMU simplification and a fix. That landed in 6.12
and we are stuck at 6.9 so lets bump things forward.

Signed-off-by: Tvrtko Ursulin <tursulin@ursulin.net>

show more ...


Revision tags: v6.14-rc1, v6.13, v6.13-rc7, v6.13-rc6, v6.13-rc5, v6.13-rc4
# 60675d4c 20-Dec-2024 Ingo Molnar <mingo@kernel.org>

Merge branch 'linus' into x86/mm, to pick up fixes

Signed-off-by: Ingo Molnar <mingo@kernel.org>


# 25768de5 21-Jan-2025 Dmitry Torokhov <dmitry.torokhov@gmail.com>

Merge branch 'next' into for-linus

Prepare input updates for 6.14 merge window.


# 6d4a0f4e 17-Dec-2024 Dmitry Torokhov <dmitry.torokhov@gmail.com>

Merge tag 'v6.13-rc3' into next

Sync up with the mainline.


# c5fb51b7 03-Jan-2025 Rob Clark <robdclark@chromium.org>

Merge remote-tracking branch 'pm/opp/linux-next' into HEAD

Merge pm/opp tree to get dev_pm_opp_get_bw()

Signed-off-by: Rob Clark <robdclark@chromium.org>


Revision tags: v6.13-rc3
# e7f0a3a6 11-Dec-2024 Rodrigo Vivi <rodrigo.vivi@intel.com>

Merge drm/drm-next into drm-intel-next

Catching up with 6.13-rc2.

Signed-off-by: Rodrigo Vivi <rodrigo.vivi@intel.com>


Revision tags: v6.13-rc2
# 8f109f28 02-Dec-2024 Rodrigo Vivi <rodrigo.vivi@intel.com>

Merge drm/drm-next into drm-xe-next

A backmerge to get the PMT preparation work for
merging the BMG PMT support.

Signed-off-by: Rodrigo Vivi <rodrigo.vivi@intel.com>


# 3aba2eba 02-Dec-2024 Maxime Ripard <mripard@kernel.org>

Merge drm/drm-next into drm-misc-next

Kickstart 6.14 cycle.

Signed-off-by: Maxime Ripard <mripard@kernel.org>


# bcfd5f64 02-Dec-2024 Ingo Molnar <mingo@kernel.org>

Merge tag 'v6.13-rc1' into perf/core, to refresh the branch

Signed-off-by: Ingo Molnar <mingo@kernel.org>


# c34e9ab9 05-Dec-2024 Takashi Iwai <tiwai@suse.de>

Merge tag 'asoc-fix-v6.13-rc1' of https://git.kernel.org/pub/scm/linux/kernel/git/broonie/sound into for-linus

ASoC: Fixes for v6.13

A few small fixes for v6.13, all system specific - the biggest t

Merge tag 'asoc-fix-v6.13-rc1' of https://git.kernel.org/pub/scm/linux/kernel/git/broonie/sound into for-linus

ASoC: Fixes for v6.13

A few small fixes for v6.13, all system specific - the biggest thing is
the fix for jack handling over suspend on some Intel laptops.

show more ...


Revision tags: v6.13-rc1
# cf87766d 26-Nov-2024 Christian Brauner <brauner@kernel.org>

Merge branch 'ovl.fixes'

Bring in an overlayfs fix for v6.13-rc1 that fixes a bug introduced by
the overlayfs changes merged for v6.13.

Signed-off-by: Christian Brauner <brauner@kernel.org>


# 2d762281 22-Nov-2024 Jason Gunthorpe <jgg@nvidia.com>

Merge tag 'iommu-updates-v6.13' of ssh://gitolite.kernel.org/pub/scm/linux/kernel/git/iommu/linux into iommufd.git

Merge with Joerg's tree for dependencies on the next patches.

====================

Merge tag 'iommu-updates-v6.13' of ssh://gitolite.kernel.org/pub/scm/linux/kernel/git/iommu/linux into iommufd.git

Merge with Joerg's tree for dependencies on the next patches.

======================================
IOMMU Updates for Linux v6.13:

Including:

- Core Updates:
- Convert call-sites using iommu_domain_alloc() to more specific
versions and remove function.
- Introduce iommu_paging_domain_alloc_flags().
- Extend support for allocating PASID-capable domains to more
drivers.
- Remove iommu_present().
- Some smaller improvements.

- New IOMMU driver for RISC-V.

- Intel VT-d Updates:
- Add domain_alloc_paging support.
- Enable user space IOPFs in non-PASID and non-svm cases.
- Small code refactoring and cleanups.
- Add domain replacement support for pasid.

- AMD-Vi Updates:
- Adapt to iommu_paging_domain_alloc_flags() interface and alloc V2
page-tables by default.
- Replace custom domain ID allocator with IDA allocator.
- Add ops->release_domain() support.
- Other improvements to device attach and domain allocation code
paths.

- ARM-SMMU Updates:
- SMMUv2:
- Return -EPROBE_DEFER for client devices probing before their SMMU.
- Devicetree binding updates for Qualcomm MMU-500 implementations.
- SMMUv3:
- Minor fixes and cleanup for NVIDIA's virtual command queue driver.
- IO-PGTable:
- Fix indexing of concatenated PGDs and extend selftest coverage.
- Remove unused block-splitting support.

- S390 IOMMU:
- Implement support for blocking domain.

- Mediatek IOMMU:
- Enable 35-bit physical address support for mt8186.

- OMAP IOMMU driver:
- Adapt to recent IOMMU core changes and unbreak driver.
======================================

Signed-off-by: Jason Gunthorpe <jgg@nvidia.com>

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Revision tags: v6.12, v6.12-rc7, v6.12-rc6, v6.12-rc5, v6.12-rc4
# 77b67945 14-Oct-2024 Namhyung Kim <namhyung@kernel.org>

Merge tag 'v6.12-rc3' into perf-tools-next

To get the fixes in the current perf-tools tree.

Signed-off-by: Namhyung Kim <namhyung@kernel.org>


# ceba6f6f 23-Nov-2024 Linus Torvalds <torvalds@linux-foundation.org>

Merge tag 'iommu-updates-v6.13' of git://git.kernel.org/pub/scm/linux/kernel/git/iommu/linux

Pull iommu updates from Joerg Roedel:
"Core Updates:
- Convert call-sites using iommu_domain_alloc()

Merge tag 'iommu-updates-v6.13' of git://git.kernel.org/pub/scm/linux/kernel/git/iommu/linux

Pull iommu updates from Joerg Roedel:
"Core Updates:
- Convert call-sites using iommu_domain_alloc() to more specific
versions and remove function
- Introduce iommu_paging_domain_alloc_flags()
- Extend support for allocating PASID-capable domains to more drivers
- Remove iommu_present()
- Some smaller improvements

New IOMMU driver for RISC-V

Intel VT-d Updates:
- Add domain_alloc_paging support
- Enable user space IOPFs in non-PASID and non-svm cases
- Small code refactoring and cleanups
- Add domain replacement support for pasid

AMD-Vi Updates:
- Adapt to iommu_paging_domain_alloc_flags() interface and alloc V2
page-tables by default
- Replace custom domain ID allocator with IDA allocator
- Add ops->release_domain() support
- Other improvements to device attach and domain allocation code
paths

ARM-SMMU Updates:
- SMMUv2:
- Return -EPROBE_DEFER for client devices probing before their
SMMU
- Devicetree binding updates for Qualcomm MMU-500 implementations
- SMMUv3:
- Minor fixes and cleanup for NVIDIA's virtual command queue
driver
- IO-PGTable:
- Fix indexing of concatenated PGDs and extend selftest coverage
- Remove unused block-splitting support

S390 IOMMU:
- Implement support for blocking domain

Mediatek IOMMU:
- Enable 35-bit physical address support for mt8186

OMAP IOMMU driver:
- Adapt to recent IOMMU core changes and unbreak driver"

* tag 'iommu-updates-v6.13' of git://git.kernel.org/pub/scm/linux/kernel/git/iommu/linux: (92 commits)
iommu/tegra241-cmdqv: Fix alignment failure at max_n_shift
iommu: Make set_dev_pasid op support domain replacement
iommu/arm-smmu-v3: Make set_dev_pasid() op support replace
iommu/vt-d: Add set_dev_pasid callback for nested domain
iommu/vt-d: Make identity_domain_set_dev_pasid() to handle domain replacement
iommu/vt-d: Make intel_svm_set_dev_pasid() support domain replacement
iommu/vt-d: Limit intel_iommu_set_dev_pasid() for paging domain
iommu/vt-d: Make intel_iommu_set_dev_pasid() to handle domain replacement
iommu/vt-d: Add iommu_domain_did() to get did
iommu/vt-d: Consolidate the struct dev_pasid_info add/remove
iommu/vt-d: Add pasid replace helpers
iommu/vt-d: Refactor the pasid setup helpers
iommu/vt-d: Add a helper to flush cache for updating present pasid entry
iommu: Pass old domain to set_dev_pasid op
iommu/iova: Fix typo 'adderss'
iommu: Add a kdoc to iommu_unmap()
iommu/io-pgtable-arm-v7s: Remove split on unmap behavior
iommu/io-pgtable-arm: Remove split on unmap behavior
iommu/vt-d: Drain PRQs when domain removed from RID
iommu/vt-d: Drop pasid requirement for prq initialization
...

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# 42f0cbb2 15-Nov-2024 Joerg Roedel <jroedel@suse.de>

Merge branches 'intel/vt-d', 'amd/amd-vi' and 'iommufd/arm-smmuv3-nested' into next


# 140f5ded 04-Nov-2024 Joel Granados <joel.granados@kernel.org>

iommu/vt-d: Move IOMMU_IOPF into INTEL_IOMMU

Move IOMMU_IOPF from under INTEL_IOMMU_SVM into INTEL_IOMMU. This
certifies that the core intel iommu utilizes the IOPF library
functions, independent of

iommu/vt-d: Move IOMMU_IOPF into INTEL_IOMMU

Move IOMMU_IOPF from under INTEL_IOMMU_SVM into INTEL_IOMMU. This
certifies that the core intel iommu utilizes the IOPF library
functions, independent of the INTEL_IOMMU_SVM config.

Signed-off-by: Joel Granados <joel.granados@kernel.org>
Link: https://lore.kernel.org/r/20241015-jag-iopfv8-v4-3-b696ca89ba29@kernel.org
Signed-off-by: Lu Baolu <baolu.lu@linux.intel.com>
Signed-off-by: Joerg Roedel <jroedel@suse.de>

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Revision tags: v6.12-rc3, v6.12-rc2
# 3fd6c590 30-Sep-2024 Jerome Brunet <jbrunet@baylibre.com>

Merge tag 'v6.12-rc1' into clk-meson-next

Linux 6.12-rc1


# a0efa2f3 09-Oct-2024 Johannes Berg <johannes.berg@intel.com>

Merge net-next/main to resolve conflicts

The wireless-next tree was based on something older, and there
are now conflicts between -rc2 and work here. Merge net-next,
which has enough of -rc2 for the

Merge net-next/main to resolve conflicts

The wireless-next tree was based on something older, and there
are now conflicts between -rc2 and work here. Merge net-next,
which has enough of -rc2 for the conflicts to happen, resolving
them in the process.

Signed-off-by: Johannes Berg <johannes.berg@intel.com>

show more ...


# b88132ce 04-Oct-2024 Thomas Hellström <thomas.hellstrom@linux.intel.com>

Merge drm/drm-next into drm-xe-next

Backmerging to resolve a conflict with core locally.

Signed-off-by: Thomas Hellström <thomas.hellstrom@linux.intel.com>


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