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75df138655
linux-next/drivers/iommu
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Robin Murphy 75df138655 iommu/arm-smmu: Invalidate TLBs properly 
When invalidating an IOVA range potentially spanning multiple pages,
such as when removing an entire intermediate-level table, we currently
only issue an invalidation for the first IOVA of that range. Since the
architecture specifies that address-based TLB maintenance operations
target a single entry, an SMMU could feasibly retain live entries for
subsequent pages within that unmapped range, which is not good.

Make sure we hit every possible entry by iterating over the whole range
at the granularity provided by the pagetable implementation.

Signed-off-by: Robin Murphy <robin.murphy@arm.com>
[will: added missing semicolons...]
Signed-off-by: Will Deacon <will.deacon@arm.com>
2015-12-17 12:05:35 +00:00
..
amd_iommu_init.c IOMMU Updates for Linux v4.4 2015-11-05 16:12:10 -08:00
amd_iommu_proto.h IOMMU Updates for Linux v4.2 2015-06-23 18:27:19 -07:00
amd_iommu_types.h IOMMU Updates for Linux v4.4 2015-11-05 16:12:10 -08:00
amd_iommu_v2.c iommu/amd: Fix BUG when faulting a PROT_NONE VMA 2015-10-15 16:13:07 +02:00
amd_iommu.c mm, page_alloc: distinguish between being unable to sleep, unwilling to sleep and avoiding waking kswapd 2015-11-06 17:50:42 -08:00
arm-smmu-v3.c iommu/arm-smmu: Invalidate TLBs properly 2015-12-17 12:05:35 +00:00
arm-smmu.c iommu/arm-smmu: Invalidate TLBs properly 2015-12-17 12:05:35 +00:00
dma-iommu.c iommu: Implement common IOMMU ops for DMA mapping 2015-10-15 16:41:04 +02:00
dmar.c iommu/vt-d: Generalise DMAR MSI setup to allow for page request events 2015-10-15 13:22:41 +01:00
exynos-iommu.c iommu/exynos: Add callback for initializing devices from device tree 2015-05-29 10:50:08 +02:00
fsl_pamu_domain.c iommu/fsl: Convert to device_group call-back 2015-10-22 00:00:49 +02:00
fsl_pamu_domain.h iommu/fsl: Make use of domain_alloc and domain_free 2015-03-31 15:32:14 +02:00
fsl_pamu.c powerpc/fsl: Move fsl_guts.h out of arch/powerpc 2015-10-21 18:05:50 -05:00
fsl_pamu.h iommu/fsl: Various cleanups 2015-02-03 18:47:18 +01:00
intel_irq_remapping.c iommu/vt-d: Fix return value check of parse_ioapics_under_ir() 2015-11-02 19:57:31 +09:00
intel-iommu.c mm, page_alloc: distinguish between being unable to sleep, unwilling to sleep and avoiding waking kswapd 2015-11-06 17:50:42 -08:00
intel-svm.c iommu/vt-d: Fix rwxp flags in SVM device fault callback 2015-10-28 15:14:09 +09:00
io-pgtable-arm.c iommu/io-pgtable: Indicate granule for TLB maintenance 2015-12-17 12:05:34 +00:00
io-pgtable.c iommu/io-pgtable-arm: Move init-fn declarations to io-pgtable.h 2015-08-13 19:51:04 +02:00
io-pgtable.h iommu/io-pgtable: Indicate granule for TLB maintenance 2015-12-17 12:05:34 +00:00
iommu-sysfs.c iommu: Fix compile error in iommu-sysfs.c 2014-07-07 12:01:21 +02:00
iommu-traces.c iommu: Add iommu_error class event to iommu trace 2013-09-25 11:07:04 +02:00
iommu.c iommu: Move default domain allocation to iommu_group_get_for_dev() 2015-10-22 00:00:49 +02:00
iova.c iommu: Make the iova library a module 2015-07-28 15:48:01 +01:00
ipmmu-vmsa.c iommu/io-pgtable: Indicate granule for TLB maintenance 2015-12-17 12:05:34 +00:00
irq_remapping.c iommu/vt-d: Add a command line parameter for VT-d posted-interrupts 2015-10-01 15:06:54 +02:00
irq_remapping.h iommu, x86: Setup Posted-Interrupts capability for Intel iommu 2015-06-12 11:33:52 +02:00
Kconfig IOMMU Updates for Linux v4.4 2015-11-05 16:12:10 -08:00
Makefile IOMMU Updates for Linux v4.4 2015-11-05 16:12:10 -08:00
msm_iommu_dev.c iommu/msm: Use dev_get_platdata() 2014-11-04 15:03:39 +01:00
msm_iommu_hw-8xxx.h iommu/msm: Move mach includes to iommu directory 2013-08-06 11:18:03 -07:00
msm_iommu.c iommu/msm: Use BUG_ON instead of if () BUG() 2015-08-13 19:50:51 +02:00
msm_iommu.h iommu/msm: Move mach includes to iommu directory 2013-08-06 11:18:03 -07:00
of_iommu.c of: iommu: Silence misleading warning 2015-08-03 16:07:49 +02:00
omap-iommu-debug.c fs/seq_file: convert int seq_vprint/seq_printf/etc... returns to void 2015-09-11 15:21:34 -07:00
omap-iommu.c iommu/omap: Add support for configuring dsp iommus on DRA7xx 2015-10-14 14:35:47 +02:00
omap-iommu.h iommu/omap: Add support for configuring dsp iommus on DRA7xx 2015-10-14 14:35:47 +02:00
omap-iopgtable.h iommu/omap: Use BIT(x) macros in omap-iopgtable.h 2015-08-03 16:04:42 +02:00
rockchip-iommu.c Merge branches 'arm/rockchip', 'arm/exynos', 'arm/smmu', 'x86/vt-d', 'x86/amd', 'default-domains' and 'core' into next 2015-06-19 17:17:47 +02:00
s390-iommu.c iommu/s390: Add iommu api for s390 pci devices 2015-10-06 12:20:24 +02:00
shmobile-iommu.c iommu/shmobile: Make use of domain_alloc and domain_free 2015-03-31 15:32:13 +02:00
shmobile-ipmmu.c iommu: drop owner assignment from platform_drivers 2014-10-20 16:20:42 +02:00
shmobile-ipmmu.h iommu/shmobile: Turn the flush_lock mutex into a spinlock 2014-01-07 15:35:25 +01:00
tegra-gart.c Merge branches 'iommu/fixes', 'x86/vt-d', 'x86/amd', 'arm/smmu', 'arm/tegra' and 'core' into next 2015-04-02 13:33:19 +02:00
tegra-smmu.c iommu/tegra-smmu: Parameterize number of TLB lines 2015-08-13 17:05:28 +02:00