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cf5c1c87c2
linux/drivers/iommu
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Sven Peter cf5c1c87c2 iommu/dart: Fix apple_dart_device_group for PCI groups 
pci_device_group() can return an already existing IOMMU group if the PCI
device's pagetables have to be shared with another one due to bus
toplogy, isolation features and/or DMA alias quirks.
apple_dart_device_group() however assumes that the group has just been
created and overwrites its iommudata which will eventually lead to
apple_dart_release_group leaving stale entries in sid2group.
Fix that by merging the iommudata if the returned group already exists.

Fixes: f0b636804c ("iommu/dart: Clear sid2group entry when a group is freed")
Signed-off-by: Sven Peter <sven@svenpeter.dev>
Reviewed-by: Eric Curtin <ecurtin@redhat.com>
Link: https://lore.kernel.org/r/20230128113532.94651-1-sven@svenpeter.dev
Signed-off-by: Joerg Roedel <jroedel@suse.de>
2023-02-03 10:56:01 +01:00
..
amd IOMMU Updates for Linux v6.2 2022-12-19 08:34:39 -06:00
arm 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
intel IOMMU Updates for Linux v6.2 2022-12-19 08:34:39 -06:00
iommufd iommufd for 6.2 2022-12-14 09:15:43 -08:00
apple-dart.c iommu/dart: Fix apple_dart_device_group for PCI groups 2023-02-03 10:56:01 +01:00
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 driver initialization sequence 2022-11-19 10:33:15 +01:00
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
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
iommu-traces.c
iommu.c IOMMU Updates for Linux v6.2 2022-12-19 08:34:39 -06:00
iova.c iova: Remove iovad->rcaches check in iova_rcache_get() 2022-09-09 09:27:03 +02:00
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_hw-8xxx.h
msm_iommu.c iommu/msm: Update to {map,unmap}_pages 2022-11-19 10:44:14 +01:00
msm_iommu.h
mtk_iommu_v1.c iommu/mediatek-v1: Update to {map,unmap}_pages 2022-11-19 10:44:12 +01:00
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
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
omap-iopgtable.h
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