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161b28aae1
linux/drivers/iommu
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Joerg Roedel 161b28aae1 iommu/vt-d: Make sure IOMMUs are off when intel_iommu=off 
When booting into a kexec kernel with intel_iommu=off, and
the previous kernel had intel_iommu=on, the IOMMU hardware
is still enabled and gets not disabled by the new kernel.

This causes the boot to fail because DMA is blocked by the
hardware. Disable the IOMMUs when we find it enabled in the
kexec kernel and boot with intel_iommu=off.

Signed-off-by: Joerg Roedel <jroedel@suse.de>
2017-03-29 17:02:00 +02:00
..
amd_iommu_init.c iommu/amd: Fix crash when accessing AMD-Vi sysfs entries 2017-02-28 15:48:23 +01:00
amd_iommu_proto.h Merge branch 'x86/amd-avic' into x86/amd 2016-09-05 12:43:16 +02:00
amd_iommu_types.h iommu/amd: Fix crash when accessing AMD-Vi sysfs entries 2017-02-28 15:48:23 +01:00
amd_iommu_v2.c sched/headers: Prepare for new header dependencies before moving code to <linux/sched/mm.h> 2017-03-02 08:42:28 +01:00
amd_iommu.c This is a tree wide change and has been kept separate for that reason. 2017-02-25 13:45:43 -08:00
arm-smmu-v3.c Merge branches 'iommu/fixes', 'arm/exynos', 'arm/renesas', 'arm/smmu', 'arm/mediatek', 'arm/core', 'x86/vt-d' and 'core' into next 2017-02-10 15:13:10 +01:00
arm-smmu.c Merge branches 'iommu/fixes', 'arm/exynos', 'arm/renesas', 'arm/smmu', 'arm/mediatek', 'arm/core', 'x86/vt-d' and 'core' into next 2017-02-10 15:13:10 +01:00
dma-iommu.c iommu/dma: Remove bogus dma_supported() implementation 2017-02-06 13:14:10 +01:00
dmar.c iommu/dmar: Remove redundant ' != 0' when check return code 2017-03-22 15:42:17 +01:00
exynos-iommu.c Merge branches 'iommu/fixes', 'arm/exynos', 'arm/renesas', 'arm/smmu', 'arm/mediatek', 'arm/core', 'x86/vt-d' and 'core' into next 2017-02-10 15:13:10 +01:00
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 SVM fixes for Linux 4.5 2016-02-16 08:04:06 -08:00
intel-iommu.c iommu/vt-d: Make sure IOMMUs are off when intel_iommu=off 2017-03-29 17:02:00 +02:00
intel-svm.c sched/headers: Prepare for new header dependencies before moving code to <linux/sched/mm.h> 2017-03-02 08:42:28 +01:00
io-pgtable-arm-v7s.c iommu/io-pgtable-arm-v7s: Add support for the IOMMU_PRIV flag 2017-01-19 15:56:18 +00:00
io-pgtable-arm.c iommu/io-pgtable-arm: add support for the IOMMU_PRIV flag 2017-01-19 15:56:18 +00:00
io-pgtable.c iommu/io-pgtable: Fix a brace coding style issue. 2016-04-05 15:34:29 +02:00
io-pgtable.h iommu/io-pgtable: Add MTK 4GB mode in Short-descriptor 2016-04-05 15:39:37 +02:00
iommu-sysfs.c iommu: Make iommu_device_link/unlink take a struct iommu_device 2017-02-10 13:44:57 +01:00
iommu-traces.c
iommu.c Merge branches 'iommu/fixes', 'arm/exynos', 'arm/renesas', 'arm/smmu', 'arm/mediatek', 'arm/core', 'x86/vt-d' and 'core' into next 2017-02-10 15:13:10 +01:00
iova.c iommu/iova: Use rb_entry() 2017-01-04 15:35:19 +01:00
ipmmu-vmsa.c iommu/ipmmu-vmsa: Restrict IOMMU Domain Geometry to 32-bit address space 2017-02-06 13:09:43 +01:00
irq_remapping.c x86/cpufeature: Replace cpu_has_apic with boot_cpu_has() usage 2016-04-13 11:37:41 +02:00
irq_remapping.h iommu, x86: Setup Posted-Interrupts capability for Intel iommu 2015-06-12 11:33:52 +02:00
Kconfig iommu/mediatek: Remove bogus 'select' statements 2017-02-06 13:16:22 +01:00
Makefile Merge branches 'x86/amd', 'x86/vt-d', 'arm/exynos', 'arm/mediatek', 'arm/msm', 'arm/rockchip', 'arm/smmu' and 'core' into next 2016-07-26 16:02:37 +02:00
msm_iommu_hw-8xxx.h
msm_iommu.c iommu: Remove iommu_register_instance interface 2017-02-10 14:54:37 +01:00
msm_iommu.h iommu/msm: Make use of iommu_device_register interface 2017-02-10 13:44:57 +01:00
mtk_iommu_v1.c Merge branches 'arm/mediatek', 'arm/smmu', 'x86/amd', 's390', 'core' and 'arm/exynos' into next 2016-12-06 17:32:16 +01:00
mtk_iommu.c iommu: Remove iommu_register_instance interface 2017-02-10 14:54:37 +01:00
mtk_iommu.h iommu/mediatek: Make use of iommu_device_register interface 2017-02-10 13:44:57 +01:00
of_iommu.c Merge branches 'iommu/fixes', 'arm/exynos', 'arm/renesas', 'arm/smmu', 'arm/mediatek', 'arm/core', 'x86/vt-d' and 'core' into next 2017-02-10 15:13:10 +01:00
omap-iommu-debug.c iommu/omap: Align code with open parenthesis 2016-04-05 17:53:20 +02:00
omap-iommu.c iommu/omap: Use WARN_ON for page table alignment check 2016-04-05 17:53:20 +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 iommu/rockchip: Prepare to support generic DMA mapping 2016-06-27 14:50:08 +02:00
s390-iommu.c iommu/s390: Drop duplicate header pci.h 2016-11-29 17:37:58 +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