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linux/drivers/iommu
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Will Deacon bc7f2ce0a7 iommu/arm-smmu: Don't fail device attach if already attached to a domain 
The ARM SMMU attach_dev implementations returns -EEXIST if the device
being attached is already attached to a domain. This doesn't play nicely
with the default domain, resulting in splats such as:

  WARNING: at drivers/iommu/iommu.c:1257
  Modules linked in:

  CPU: 3 PID: 1939 Comm: virtio-net-tx Tainted: G S              4.5.0-rc4+ #1
  Hardware name: FVP Base (DT)
  task: ffffffc87a9d0000 ti: ffffffc07a278000 task.ti: ffffffc07a278000
  PC is at __iommu_detach_group+0x68/0xe8
  LR is at __iommu_detach_group+0x48/0xe8

This patch fixes the problem by forcefully detaching the device from
its old domain, if present, when attaching to a new one. The unused
->detach_dev callback is also removed the iommu_ops structures.

Signed-off-by: Will Deacon <will.deacon@arm.com>
2016-02-18 15:02:44 +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/amd: Move 'struct dma_ops_domain' definition to amd_iommu.c 2015-12-28 17:18:50 +01:00
amd_iommu_v2.c iommu/amd: Constify mmu_notifier_ops structures 2015-12-14 15:44:29 +01:00
amd_iommu.c iommu/amd: Correct the wrong setting of alias DTE in do_attach 2016-01-29 12:30:47 +01:00
arm-smmu-v3.c iommu/arm-smmu: Don't fail device attach if already attached to a domain 2016-02-18 15:02:44 +00:00
arm-smmu.c iommu/arm-smmu: Don't fail device attach if already attached to a domain 2016-02-18 15:02:44 +00:00
dma-iommu.c iommu/dma: Use correct offset in map_sg 2016-01-07 13:36:41 +01:00
dmar.c iommu/vt-d: Fix up error handling in alloc_iommu 2016-01-07 13:44:41 +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 x86/cpufeature: Remove unused and seldomly used cpu_has_xx macros 2015-12-19 11:49:55 +01:00
intel-iommu.c iommu/vt-d: Don't skip PCI devices when disabling IOTLB 2016-01-29 12:18:13 +01:00
intel-svm.c iommu/vt-d: Do access checks before calling handle_mm_fault() 2015-12-14 15:37:55 +01:00
io-pgtable-arm.c iommu/io-pgtable-arm: Fix io-pgtable-arm build failure 2016-01-29 12:14:08 +01:00
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: Make io_pgtable_ops_to_pgtable() macro common 2015-12-17 12:05:35 +00:00
iommu-sysfs.c
iommu-traces.c
iommu.c Revert "scatterlist: use sg_phys()" 2015-12-15 12:54:06 -08:00
iova.c iommu: Make the iova library a module 2015-07-28 15:48:01 +01:00
ipmmu-vmsa.c Merge branches 's390', 'arm/renesas', 'arm/msm', 'arm/shmobile', 'arm/smmu', 'x86/amd' and 'x86/vt-d' into next 2016-01-19 15:30:43 +01:00
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/shmobile: Remove unused Renesas IPMMU/IPMMUI driver 2015-12-14 15:55:57 +01:00
Makefile iommu/shmobile: Remove unused Renesas IPMMU/IPMMUI driver 2015-12-14 15:55:57 +01:00
msm_iommu_dev.c iommu/msm: Use platform_register/unregister_drivers() 2015-12-14 15:51:21 +01:00
msm_iommu_hw-8xxx.h
msm_iommu.c iommu/msm: Use BUG_ON instead of if () BUG() 2015-08-13 19:50:51 +02:00
msm_iommu.h
of_iommu.c of: iommu: Increment DT node refcount in of_iommu_set_ops() 2016-02-18 15:02:43 +00:00
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: Fix sparse warnings 2015-11-26 14:41:01 +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