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linux/drivers/iommu
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Jason Gunthorpe c8ca988b23 iommu: Remove deferred attach check from __iommu_detach_device() 
[ Upstream commit dd8a25c557 ]

At the current moment, __iommu_detach_device() is only called via call
chains that are after the device driver is attached - eg via explicit
attach APIs called by the device driver.

Commit bd421264ed ("iommu: Fix deferred domain attachment") has removed
deferred domain attachment check from __iommu_attach_device() path, so it
should just unconditionally work in the __iommu_detach_device() path.

It actually looks like a bug that we were blocking detach on these paths
since the attach was unconditional and the caller is going to free the
(probably) UNAMANGED domain once this returns.

The only place we should be testing for deferred attach is during the
initial point the dma device is linked to the group, and then again
during the dma api calls.

Signed-off-by: Jason Gunthorpe <jgg@nvidia.com>
Signed-off-by: Lu Baolu <baolu.lu@linux.intel.com>
Link: https://lore.kernel.org/r/20230110025408.667767-5-baolu.lu@linux.intel.com
Signed-off-by: Joerg Roedel <jroedel@suse.de>
Signed-off-by: Sasha Levin <sashal@kernel.org>
History 2023-03-11 13:50:38 +01:00
..
amd iommu/amd: Add a length limitation for the ivrs_acpihid command-line parameter 2023-03-10 09:29:50 +01:00
arm iommu/arm-smmu-v3: Don't unregister on shutdown 2023-01-13 13:46:21 +01:00
intel iommu/vt-d: Fix PASID directory pointer coherency 2023-03-10 09:29:55 +01:00
iommufd iommufd: Do not add the same hwpt to the ioas->hwpt_list twice 2023-03-10 09:29:55 +01:00
apple-dart.c iommu: Add gfp parameter to iommu_alloc_resv_region 2022-10-21 10:49:32 +02:00
dma-iommu.c dma-mapping: reject __GFP_COMP in dma_alloc_attrs 2022-11-21 09:37:20 +01:00
dma-iommu.h iommu/dma: Make header private 2022-09-09 09:26:22 +02:00
exynos-iommu.c iommu/exynos: Fix error handling in exynos_iommu_init() 2023-03-10 09:28:51 +01:00
fsl_pamu.c Merge branches 'arm/allwinner', 'arm/exynos', 'arm/mediatek', 'arm/rockchip', 'arm/smmu', 'ppc/pamu', 's390', 'x86/vt-d', 'x86/amd' and 'core' into next 2022-12-12 12:50:53 +01:00
fsl_pamu.h iommu/fsl_pamu: hardcode the window address and size in pamu_config_ppaace 2021-04-07 10:56:52 +02:00
fsl_pamu_domain.c iommu: Regulate EINVAL in ->attach_dev callback functions 2022-11-01 14:39:59 -03:00
fsl_pamu_domain.h iommu/fsl_pamu: remove the snoop_id field 2021-04-07 10:56:52 +02:00
hyperv-iommu.c iommu/hyper-v: Allow hyperv irq remapping without x2apic 2022-11-28 16:48:20 +00:00
io-pgfault.c iommu: Rename iommu-sva-lib.{c,h} 2022-11-03 15:47:54 +01:00
io-pgtable-arm-v7s.c iommu/io-pgtable-arm-v7s: Remove map/unmap 2022-11-19 10:44:15 +01:00
io-pgtable-arm.c iommu/io-pgtable-arm: Remove map/unmap 2022-11-19 10:44:15 +01:00
io-pgtable-arm.h iommu/io-pgtable-arm: Move some definitions to a header 2020-09-28 23:48:06 +01:00
io-pgtable-dart.c iommu/io-pgtable-dart: Add DART PTE support for t6000 2022-09-26 13:49:40 +02:00
io-pgtable.c Merge branches 'apple/dart', 'arm/mediatek', 'arm/omap', 'arm/smmu', 'virtio', 'x86/vt-d', 'x86/amd' and 'core' into next 2022-09-26 15:52:31 +02:00
ioasid.c iommu/sva: Assign a PASID to mm on PASID allocation and free it on mm exit 2022-02-15 11:31:35 +01:00
iommu-debugfs.c iommu: Fix IOMMU debugfs fallout 2019-02-26 11:15:58 +01:00
iommu-sva.c iommu: Rename iommu-sva-lib.{c,h} 2022-11-03 15:47:54 +01:00
iommu-sva.h iommu: Rename iommu-sva-lib.{c,h} 2022-11-03 15:47:54 +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: Remove deferred attach check from __iommu_detach_device() 2023-03-11 13:50:38 +01:00
iova.c iommu/iova: Fix alloc iova overflows issue 2023-01-13 13:46:31 +01:00
ipmmu-vmsa.c iommu/ipmmu-vmsa: Update to {map,unmap}_pages 2022-11-19 10:44:14 +01:00
irq_remapping.c x86: Kill all traces of irq_remapping_get_irq_domain() 2020-10-28 20:26:28 +01:00
irq_remapping.h x86: Kill all traces of irq_remapping_get_irq_domain() 2020-10-28 20:26:28 +01:00
Kconfig iommufd for 6.2 2022-12-14 09:15:43 -08:00
Makefile iommufd: File descriptor, context, kconfig and makefiles 2022-11-30 20:16:49 -04:00
msm_iommu.c iommu/msm: Update to {map,unmap}_pages 2022-11-19 10:44:14 +01:00
msm_iommu.h treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 267 2019-06-05 17:30:29 +02:00
msm_iommu_hw-8xxx.h treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 267 2019-06-05 17:30:29 +02:00
mtk_iommu.c Merge branches 'arm/allwinner', 'arm/exynos', 'arm/mediatek', 'arm/rockchip', 'arm/smmu', 'ppc/pamu', 's390', 'x86/vt-d', 'x86/amd' and 'core' into next 2022-12-12 12:50:53 +01:00
mtk_iommu_v1.c iommu/mediatek-v1: Fix an error handling path in mtk_iommu_v1_probe() 2023-01-13 13:46:32 +01:00
of_iommu.c iommu/of: Remove linux/msi.h include 2022-11-23 23:07:38 +01:00
omap-iommu-debug.c iommu/omap: Fix buffer overflow in debugfs 2022-09-07 10:42:28 +02:00
omap-iommu.c iommu: Use EINVAL for incompatible device/domain in ->attach_dev 2022-11-01 14:39:59 -03:00
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
rockchip-iommu.c iommu/rockchip: fix permission bits in page table entries v2 2022-11-03 15:58:41 +01:00
s390-iommu.c s390/pci: use lock-free I/O translation updates 2022-11-19 10:28:18 +01:00
sprd-iommu.c iommu/sprd: Update to {map,unmap}_pages 2022-11-19 10:44:13 +01:00
sun50i-iommu.c iommu/sun50i: Remove IOMMU_DOMAIN_IDENTITY 2022-12-05 11:52:57 +01:00
tegra-gart.c iommu: Use EINVAL for incompatible device/domain in ->attach_dev 2022-11-01 14:39:59 -03:00
tegra-smmu.c iommu/tegra-smmu: Clean up bus_set_iommu() 2022-09-07 14:26:16 +02:00
virtio-iommu.c iommu: Propagate return value in ->attach_dev callback functions 2022-11-01 14:39:59 -03:00