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dba9ca9d41
linux/drivers/iommu
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Lu Baolu dba9ca9d41 iommu: Same critical region for device release and removal 
In a non-driver context, it is crucial to ensure the consistency of a
device's iommu ops. Otherwise, it may result in a situation where a
device is released but it's iommu ops are still used.

Put the ops->release_device and __iommu_group_remove_device() in a same
group->mutext critical region, so that, as long as group->mutex is held
and the device is in its group's device list, its iommu ops are always
consistent. Add check of group ownership if the released device is the
last one.

Signed-off-by: Jason Gunthorpe <jgg@nvidia.com>
Signed-off-by: Lu Baolu <baolu.lu@linux.intel.com>
Reviewed-by: Jason Gunthorpe <jgg@nvidia.com>
Link: https://lore.kernel.org/r/20230322064956.263419-4-baolu.lu@linux.intel.com
Signed-off-by: Joerg Roedel <jroedel@suse.de>
2023-03-22 15:45:16 +01:00
..
amd iommufd for 6.3 2023-02-24 14:34:12 -08:00
arm iommu: Use of_property_present() for testing DT property presence 2023-03-22 14:54:42 +01:00
intel iommufd for 6.3 2023-02-24 14:34:12 -08:00
iommufd iommufd: Do not add the same hwpt to the ioas->hwpt_list twice 2023-02-15 21:37:48 -04:00
apple-dart.c Merge branches 'apple/dart', 'arm/exynos', 'arm/renesas', 'arm/smmu', 'x86/vt-d', 'x86/amd' and 'core' into next 2023-02-18 15:43:04 +01:00
dma-iommu.c Merge branch 'iommu-memory-accounting' into core 2023-01-25 11:54:58 +01:00
dma-iommu.h iommu/dma: Make header private 2022-09-09 09:26:22 +02:00
exynos-iommu.c Merge branches 'apple/dart', 'arm/exynos', 'arm/renesas', 'arm/smmu', 'x86/vt-d', 'x86/amd' and 'core' into next 2023-02-18 15:43:04 +01:00
fsl_pamu_domain.c iommu/fsl_pamu: Fix compile error after adding set_platform_dma_ops 2023-01-13 22:30:55 +01:00
fsl_pamu_domain.h iommu/fsl_pamu: remove the snoop_id field 2021-04-07 10:56:52 +02:00
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
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-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 iommu: Remove detach_dev callback 2023-01-13 16:39:18 +01:00
iommu.c iommu: Same critical region for device release and removal 2023-03-22 15:45:16 +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: Call arm_iommu_release_mapping() in release path 2023-03-22 15:45:15 +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 iommu: Spelling s/cpmxchg64/cmpxchg64/ 2023-03-22 14:52:16 +01:00
Makefile iommufd: File descriptor, context, kconfig and makefiles 2022-11-30 20:16:49 -04:00
msm_iommu_hw-8xxx.h
msm_iommu.c iommu: Add set_platform_dma_ops callbacks 2023-01-13 16:39:16 +01:00
msm_iommu.h
mtk_iommu_v1.c Merge branches 'apple/dart', 'arm/exynos', 'arm/renesas', 'arm/smmu', 'x86/vt-d', 'x86/amd' and 'core' into next 2023-02-18 15:43:04 +01:00
mtk_iommu.c iommu: Remove detach_dev callbacks 2023-01-13 16:39:14 +01:00
of_iommu.c iommu/of: mark an unused function as __maybe_unused 2023-02-16 10:17:31 +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: Add set_platform_dma_ops callbacks 2023-01-13 16:39:16 +01:00
omap-iommu.h
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: Remove detach_dev callbacks 2023-01-13 16:39:14 +01:00
s390-iommu.c iommufd for 6.3 2023-02-24 14:34:12 -08:00
sprd-iommu.c iommu: Remove detach_dev callbacks 2023-01-13 16:39:14 +01:00
sun50i-iommu.c iommu: Remove detach_dev callbacks 2023-01-13 16:39:14 +01:00
tegra-gart.c iommu: Add set_platform_dma_ops callbacks 2023-01-13 16:39:16 +01:00
tegra-smmu.c IOMMU Updates for Linux v6.3: 2023-02-24 13:40:13 -08:00
virtio-iommu.c iommu: Propagate return value in ->attach_dev callback functions 2022-11-01 14:39:59 -03:00