[git pull] IOMMU Updates for Linux v4.3

From: Joerg Roedel
Date: Tue Sep 08 2015 - 07:21:05 EST

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Hi Linus,

The following changes since commit c13dcf9f2d6f5f06ef1bf79ec456df614c5e058b:

Linux 4.2-rc8 (2015-08-23 20:52:59 -0700)

are available in the git repository at:

git://git.kernel.org/pub/scm/linux/kernel/git/joro/iommu.git tags/iommu-updates-v4.3

for you to fetch changes up to 4ad79562577a3936b08365260f86eeb83156479f:

Merge branches 'arm/omap', 'arm/msm', 'arm/smmu', 'arm/tegra', 'x86/vt-d', 'x86/amd', 'ppc/pamu' and 'core' into next (2015-08-25 11:39:50 +0200)

----------------------------------------------------------------

IOMMU Updates for Linux v4.3

This time the IOMMU updates are mostly cleanups or fixes. No big new
features or drivers this time. In particular the changes include:

* Bigger cleanup of the Domain<->IOMMU data structures and the
code that manages them in the Intel VT-d driver. This makes
the code easier to understand and maintain, and also easier to
keep the data structures in sync. It is also a preparation
step to make use of default domains from the IOMMU core in the
Intel VT-d driver.

* Fixes for a couple of DMA-API misuses in ARM IOMMU drivers,
namely in the ARM and Tegra SMMU drivers.

* Fix for a potential buffer overflow in the OMAP iommu driver's
debug code

* A couple of smaller fixes and cleanups in various drivers

* One small new feature: Report domain-id usage in the Intel
VT-d driver to easier detect bugs where these are leaked.

----------------------------------------------------------------
Alex Williamson (1):
iommu/vt-d: Report domain usage in sysfs

Dan Williams (1):
iommu/vt-d: Fix leaked ioremap mapping

Emil Medve (1):
iommu/fsl: Really fix init section(s) content

Joerg Roedel (39):
Merge branch 'for-joerg/arm-smmu/updates' of git://git.kernel.org/.../will/linux into arm/smmu
iommu/vt-d: Keep track of per-iommu domain ids
iommu/vt-d: Add access functions for iommu->domains
iommu/vt-d: Split up iommu->domains array
iommu/vt-d: Get rid of iommu_attach_vm_domain()
iommu/vt-d: Calculate translation in domain_context_mapping_one
iommu/vt-d: Simplify domain_context_mapping_one
iommu/vt-d: Pass dmar_domain directly into iommu_flush_iotlb_psi
iommu/vt-d: Don't pre-allocate domain ids for si_domain
iommu/vt-d: Kill dmar_domain->id
iommu/vt-d: Replace iommu_bmp with a refcount
iommu/vt-d: Simplify io/tlb flushing in intel_iommu_unmap
iommu/vt-d: Simplify domain_remove_one_dev_info()
iommu/vt-d: Simplify domain_remove_dev_info()
iommu/vt-d: Move context-mapping into dmar_insert_dev_info
iommu/vt-d: Rename dmar_insert_dev_info()
iommu/vt-d: Rename domain_remove_one_dev_info()
iommu/vt-d: Rename iommu_detach_dependent_devices()
iommu/vt-d: Pass an iommu pointer to domain_init()
iommu/vt-d: Establish domain<->iommu link in dmar_insert_one_dev_info
iommu/vt-d: Unify domain->iommu attach/detachment
iommu/vt-d: Only call domain_remove_one_dev_info to detach old domain
iommu/vt-d: Get rid of domain->iommu_lock
iommu/vt-d: Remove dmar_global_lock from device_notifier
iommu/vt-d: Pass device_domain_info to __dmar_remove_one_dev_info
iommu/vt-d: Only insert alias dev_info if there is an alias
iommu/vt-d: Avoid duplicate device_domain_info structures
iommu/amd: Simplify allocation in irq_remapping_alloc()
iommu/amd: Make a symbol static
iommu/amd: Use BUG_ON instead of if () BUG()
iommu/vt-d: Return false instead of 0 in irq_remapping_cap()
iommu/vt-d: Use BUG_ON instead of if () BUG()
iommu/vt-d: Make two functions static
iommu/vt-d: Access iomem correctly
iommu/msm: Use BUG_ON instead of if () BUG()
iommu/io-pgtable-arm: Move init-fn declarations to io-pgtable.h
Merge tag 'tegra-for-4.3-iommu' of git://git.kernel.org/.../tegra/linux into arm/tegra
iommu/vt-d: Really use upper context table when necessary
Merge branches 'arm/omap', 'arm/msm', 'arm/smmu', 'arm/tegra', 'x86/vt-d', 'x86/amd', 'ppc/pamu' and 'core' into next

Kees Cook (1):
iommu/vt-d: Avoid format string leaks into iommu_device_create

Marc Zyngier (2):
iommu/arm-smmu: Fix enabling of PRIQ interrupt
iommu/arm-smmu: Fix MSI memory attributes to match specification

Robin Murphy (10):
iommu/arm-smmu: Sort out coherency
of: iommu: Silence misleading warning
iommu/io-pgtable-arm: Allow appropriate DMA API use
iommu/arm-smmu: Clean up DMA API usage
iommu/arm-smmu: Clean up DMA API usage
iommu/ipmmu-vmsa: Clean up DMA API usage
iommu/io-pgtable-arm: Centralise sync points
iommu/arm-smmu: Remove arm_smmu_flush_pgtable()
iommu/arm-smmu: Remove arm_smmu_flush_pgtable()
iommu/io-pgtable: Remove flush_pgtable callback

Russell King (15):
iommu/tegra-smmu: Fix iova_to_phys() method
iommu/tegra-smmu: Fix unmap() method
iommu/tegra-smmu: Factor out common PTE setting
iommu/tegra-smmu: Add iova_pd_index() and iova_pt_index() helpers
iommu/tegra-smmu: Fix page table lookup in unmap/iova_to_phys methods
iommu/tegra-smmu: Store struct page pointer for page tables
iommu/tegra-smmu: Use kcalloc() to allocate counter array
iommu/tegra-smmu: Move flush_dcache to tegra-smmu.c
iommu/tegra-smmu: Split smmu_flush_ptc()
iommu/tegra-smmu: smmu_flush_ptc() wants device addresses
iommu/tegra-smmu: Convert to use DMA API
iommu/tegra-smmu: Remove PageReserved manipulation
iommu/tegra-smmu: Use __GFP_ZERO to allocate zeroed pages
iommu/tegra-smmu: Extract tegra_smmu_pte_get_use()
iommu/tegra-smmu: Factor out tegra_smmu_set_pde()

Salva Peiró (1):
iommu/omap: Fix debug_read_tlb() to use seq_printf()

Suman Anna (10):
Documentation: dt: Add #iommu-cells info to OMAP iommu bindings
iommu/omap: Remove all module references
iommu/omap: Move debugfs functions to omap-iommu-debug.c
iommu/omap: Protect omap-iopgtable.h against double inclusion
iommu/omap: Remove unused union fields
iommu/omap: Remove trailing semi-colon from a macro
iommu/omap: Remove unnecessary error traces on alloc failures
iommu/omap: Use BIT(x) macros in omap-iopgtable.h
iommu/omap: Use BIT(x) macros in omap-iommu.h
iommu/omap: Align code with open parenthesis

Thierry Reding (1):
iommu/tegra-smmu: Parameterize number of TLB lines

Will Deacon (3):
iommu/arm-smmu: Limit 2-level strtab allocation for small SID sizes
iommu/arm-smmu: Treat unknown OAS as 48-bit
iommu/io-pgtable-arm: Unmap and free table when overwriting with block

Xiao, Nan (1):
x86/vt-d: Fix documentation of DRHD

Documentation/Intel-IOMMU.txt | 2 +-
.../devicetree/bindings/iommu/arm,smmu.txt | 6 +
.../devicetree/bindings/iommu/ti,omap-iommu.txt | 6 +
drivers/iommu/Kconfig | 3 +-
drivers/iommu/amd_iommu.c | 21 +-
drivers/iommu/amd_iommu_init.c | 2 +-
drivers/iommu/amd_iommu_v2.c | 4 +-
drivers/iommu/arm-smmu-v3.c | 66 +-
drivers/iommu/arm-smmu.c | 45 +-
drivers/iommu/dmar.c | 2 +-
drivers/iommu/fsl_pamu.c | 26 +-
drivers/iommu/intel-iommu.c | 716 ++++++++++-----------
drivers/iommu/intel_irq_remapping.c | 6 +-
drivers/iommu/io-pgtable-arm.c | 143 +++-
drivers/iommu/io-pgtable.c | 5 -
drivers/iommu/io-pgtable.h | 14 +-
drivers/iommu/ipmmu-vmsa.c | 19 +-
drivers/iommu/irq_remapping.c | 2 +-
drivers/iommu/msm_iommu.c | 4 +-
drivers/iommu/of_iommu.c | 8 +-
drivers/iommu/omap-iommu-debug.c | 131 +++-
drivers/iommu/omap-iommu.c | 198 +-----
drivers/iommu/omap-iommu.h | 79 +--
drivers/iommu/omap-iopgtable.h | 27 +-
drivers/iommu/tegra-smmu.c | 306 +++++----
drivers/memory/tegra/tegra114.c | 18 +-
drivers/memory/tegra/tegra124.c | 31 +-
drivers/memory/tegra/tegra30.c | 18 +-
include/linux/intel-iommu.h | 2 +-
include/soc/tegra/mc.h | 8 +-
30 files changed, 943 insertions(+), 975 deletions(-)

Please pull.

Thanks,

Joerg

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