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linux_dsm_epyc7002/drivers/iommu
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Joerg Roedel bd421264ed iommu: Fix deferred domain attachment 
The IOMMU core code has support for deferring the attachment of a domain
to a device. This is needed in kdump kernels where the new domain must
not be attached to a device before the device driver takes it over.

When the AMD IOMMU driver got converted to use the dma-iommu
implementation, the deferred attaching got lost. The code in
dma-iommu.c has support for deferred attaching, but it calls into
iommu_attach_device() to actually do it. But iommu_attach_device()
will check if the device should be deferred in it code-path and do
nothing, breaking deferred attachment.

Move the is_deferred_attach() check out of the attach_device path and
into iommu_group_add_device() to make deferred attaching work from the
dma-iommu code.

Fixes: 795bbbb9b6 ("iommu/dma-iommu: Handle deferred devices")
Reported-by: Jerry Snitselaar <jsnitsel@redhat.com>
Suggested-by: Robin Murphy <robin.murphy@arm.com>
Signed-off-by: Joerg Roedel <jroedel@suse.de>
Tested-by: Jerry Snitselaar <jsnitsel@redhat.com>
Cc: Jerry Snitselaar <jsnitsel@redhat.com>
Cc: Tom Murphy <murphyt7@tcd.ie>
Cc: Robin Murphy <robin.murphy@arm.com>
Link: https://lore.kernel.org/r/20200519130340.14564-1-joro@8bytes.org
2020-05-19 15:05:43 +02:00
..
amd_iommu_debugfs.c iommu/amd: Add basic debugfs infrastructure for AMD IOMMU 2018-07-06 14:06:30 +02:00
amd_iommu_init.c iommu/amd: Fix over-read of ACPI UID from IVRS table 2020-05-13 11:13:26 +02:00
amd_iommu_proto.h treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 333 2019-06-05 17:37:06 +02:00
amd_iommu_quirks.c iommu/amd: Apply the same IVRS IOAPIC workaround to Acer Aspire A315-41 2019-10-30 10:24:03 +01:00
amd_iommu_types.h iommu/amd: Fix race in increase_address_space()/fetch_pte() 2020-05-05 14:38:38 +02:00
amd_iommu_v2.c treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 333 2019-06-05 17:37:06 +02:00
amd_iommu.c iommu/amd: Fix get_acpihid_device_id() 2020-05-13 11:14:41 +02:00
amd_iommu.h iommu/amd: Override wrong IVRS IOAPIC on Raven Ridge systems 2019-08-23 10:26:48 +02:00
arm-smmu-impl.c iommu/arm-smmu: Rename public #defines under ARM_SMMU_ namespace 2020-01-10 15:52:25 +00:00
arm-smmu-qcom.c iommu: arm-smmu-impl: Add sdm845 implementation hook 2019-11-04 17:48:37 +00:00
arm-smmu-v3.c Merge branches 'iommu/fixes', 'arm/qcom', 'arm/omap', 'arm/smmu', 'x86/amd', 'x86/vt-d', 'virtio' and 'core' into next 2020-03-27 11:33:27 +01:00
arm-smmu.c iommu/arm-smmu: Use accessor functions for iommu private data 2020-03-27 11:14:52 +01:00
arm-smmu.h iommu/io-pgtable-arm: Rationalise VTCR handling 2020-01-10 15:52:25 +00:00
dma-iommu.c iommu/dma: Fix MSI reservation allocation 2020-03-04 16:27:56 +01:00
dmar.c iommu/vt-d: Ignore devices with out-of-spec domain number 2020-03-14 09:38:39 +01:00
exynos-iommu.c iommu: Add gfp parameter to iommu_ops::map 2019-10-15 11:31:04 +02:00
fsl_pamu_domain.c treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 266 2019-06-05 17:30:28 +02:00
fsl_pamu_domain.h treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 266 2019-06-05 17:30:28 +02:00
fsl_pamu.c treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 266 2019-06-05 17:30:28 +02:00
fsl_pamu.h treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 266 2019-06-05 17:30:28 +02:00
hyperv-iommu.c iommu/hyper-v: Add Hyper-V stub IOMMU driver 2019-02-28 11:12:16 +01:00
intel_irq_remapping.c iommu/vt-d: Fix wrong analysis whether devices share the same bus 2019-08-30 15:47:37 +02:00
intel-iommu-debugfs.c iommu/vt-d: Populate debugfs if IOMMUs are detected 2020-03-14 20:02:43 +01:00
intel-iommu.c iommu/vt-d: Use right Kconfig option name 2020-05-01 13:31:17 +02:00
intel-pasid.c iommu/vt-d: Add PASID_FLAG_FL5LP for first-level pasid setup 2020-01-07 14:05:58 +01:00
intel-pasid.h iommu/vt-d: Add PASID_FLAG_FL5LP for first-level pasid setup 2020-01-07 14:05:58 +01:00
intel-svm.c Merge branches 'iommu/fixes', 'arm/qcom', 'arm/omap', 'arm/smmu', 'x86/amd', 'x86/vt-d', 'virtio' and 'core' into next 2020-03-27 11:33:27 +01:00
intel-trace.c iommu/vt-d: Add trace events for device dma map/unmap 2019-09-11 12:34:30 +02:00
io-pgtable-arm-v7s.c iommu/io-pgtable-arm: Rationalise TCR handling 2020-01-10 15:52:24 +00:00
io-pgtable-arm.c iommu/io-pgtable-arm: Fix IOVA validation for 32-bit 2020-03-02 17:17:26 +01:00
io-pgtable.c iommu/io-pgtable-arm: Rationalise TCR handling 2020-01-10 15:52:24 +00:00
ioasid.c iommu/ioasid: Add custom allocators 2019-10-15 13:34:25 +02:00
iommu-debugfs.c iommu: Fix IOMMU debugfs fallout 2019-02-26 11:15:58 +01:00
iommu-sysfs.c drivers/iommu: Export core IOMMU API symbols to permit modular drivers 2019-12-23 14:06:05 +01:00
iommu-traces.c License cleanup: add SPDX GPL-2.0 license identifier to files with no license 2017-11-02 11:10:55 +01:00
iommu.c iommu: Fix deferred domain attachment 2020-05-19 15:05:43 +02:00
iova.c iommu/iova: Silence warnings under memory pressure 2019-12-23 14:07:03 +01:00
ipmmu-vmsa.c iommu/renesas: Use accessor functions for iommu private data 2020-03-27 11:14:52 +01:00
irq_remapping.c treewide: Add SPDX license identifier for missed files 2019-05-21 10:50:45 +02:00
irq_remapping.h treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 333 2019-06-05 17:37:06 +02:00
Kconfig iommu: spapr_tce: Disable compile testing to fix build on book3s_32 config 2020-04-29 13:55:40 +02:00
Makefile iommu/arm-smmu: Restore naming of driver parameter prefix 2020-02-19 12:03:21 +01:00
msm_iommu_hw-8xxx.h treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 267 2019-06-05 17:30:29 +02:00
msm_iommu.c iommu/io-pgtable-arm: Rationalise TTBRn handling 2020-01-10 15:39:23 +00:00
msm_iommu.h treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 267 2019-06-05 17:30:29 +02:00
mtk_iommu_v1.c iommu/mediatek: Use accessor functions for iommu private data 2020-03-27 11:14:52 +01:00
mtk_iommu.c iommu/mediatek: Use accessor functions for iommu private data 2020-03-27 11:14:52 +01:00
mtk_iommu.h iommu/mediatek: Move the tlb_sync into tlb_flush 2019-11-11 15:02:34 +01:00
of_iommu.c iommu/arm-smmu-v3: Parse PASID devicetree property of platform devices 2020-01-15 16:00:57 +00:00
omap-iommu-debug.c Merge branches 'x86/vt-d', 'x86/amd', 'arm/smmu', 'arm/omap', 'generic-dma-ops' and 'core' into next 2019-07-04 17:26:48 +02:00
omap-iommu.c iommu/omap: Fix printing format for size_t on 64-bit 2020-03-04 16:24:46 +01:00
omap-iommu.h iommu/omap: add support for late attachment of iommu devices 2019-08-09 17:37:10 +02:00
omap-iopgtable.h iommu/omap: Fix -Woverflow warnings when compiling on 64-bit architectures 2020-03-04 16:24:46 +01:00
qcom_iommu.c iommu/qcom: Fix local_base status check 2020-05-01 13:37:23 +02:00
rockchip-iommu.c Merge branches 'iommu/fixes', 'arm/qcom', 'arm/renesas', 'arm/rockchip', 'arm/mediatek', 'arm/tegra', 'arm/smmu', 'x86/amd', 'x86/vt-d', 'virtio' and 'core' into next 2019-11-12 17:11:25 +01:00
s390-iommu.c iommu: Add gfp parameter to iommu_ops::map 2019-10-15 11:31:04 +02:00
tegra-gart.c iommu/tegra-gart: Remove direct access of dev->iommu_fwspec 2020-03-27 11:12:19 +01:00
tegra-smmu.c Merge branches 'iommu/fixes', 'arm/qcom', 'arm/renesas', 'arm/rockchip', 'arm/mediatek', 'arm/tegra', 'arm/smmu', 'x86/amd', 'x86/vt-d', 'virtio' and 'core' into next 2019-11-12 17:11:25 +01:00
virtio-iommu.c iommu/virtio: Reverse arguments to list_add 2020-05-08 17:31:18 +02:00