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d18411ec30
linux/drivers/iommu
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Joao Martins d18411ec30 iommufd/iova_bitmap: Switch iova_bitmap::bitmap to an u8 array 
iova_bitmap_mapped_length() don't deal correctly with the small bitmaps
(< 2M bitmaps) when the starting address isn't u64 aligned, leading to
skipping a tiny part of the IOVA range. This is materialized as not
marking data dirty that should otherwise have been.

Fix that by using a u8 * in the internal state of IOVA bitmap. Most of the
data structures use the type of the bitmap to adjust its indexes, thus
changing the type of the bitmap decreases the granularity of the bitmap
indexes.

Fixes: b058ea3ab5 ("vfio/iova_bitmap: refactor iova_bitmap_set() to better handle page boundaries")
Link: https://lore.kernel.org/r/20240202133415.23819-3-joao.m.martins@oracle.com
Signed-off-by: Joao Martins <joao.m.martins@oracle.com>
Tested-by: Avihai Horon <avihaih@nvidia.com>
Signed-off-by: Jason Gunthorpe <jgg@nvidia.com>
2024-02-06 11:31:45 -04:00
..
amd IOMMU Updates for Linux v6.8 2024-01-18 15:16:57 -08:00
arm IOMMU Updates for Linux v6.8 2024-01-18 15:16:57 -08:00
intel iommufd for 6.8 2024-01-18 15:28:15 -08:00
iommufd iommufd/iova_bitmap: Switch iova_bitmap::bitmap to an u8 array 2024-02-06 11:31:45 -04:00
apple-dart.c Merge branches 'apple/dart', 'arm/rockchip', 'arm/smmu', 'virtio', 'x86/vt-d', 'x86/amd' and 'core' into next 2024-01-03 09:59:32 +01:00
dma-iommu.c IOMMU Updates for Linux v6.8 2024-01-18 15:16:57 -08:00
dma-iommu.h iommu: Optimise PCI SAC address trick 2023-07-14 16:14:17 +02:00
exynos-iommu.c iommu/exynos: Update to {map,unmap}_pages 2023-09-25 12:04:36 +02:00
fsl_pamu_domain.c iommu/fsl_pamu: Implement a PLATFORM domain 2023-09-25 11:40:54 +02:00
fsl_pamu_domain.h iommu/fsl_pamu: remove the snoop_id field 2021-04-07 10:56:52 +02:00
fsl_pamu.c iommu/fsl: fix all kernel-doc warnings in fsl_pamu.c 2023-03-22 14:50:15 +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 x86/vector: Rename send_cleanup_vector() to vector_schedule_cleanup() 2023-08-06 14:15:09 +02:00
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: Extend LPAE page table format to support custom allocators 2023-11-27 11:10:12 +01:00
io-pgtable-arm.h
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 iommu: Allow passing custom allocators to pgtable drivers 2023-11-27 11:10:12 +01:00
iommu-debugfs.c
iommu-priv.h iommu: Move dev_iommu_ops() to private header 2023-08-18 12:52:15 -03:00
iommu-sva.c iommu/sva: Fix memory leak in iommu_sva_bind_device() 2023-12-15 09:06:49 +01:00
iommu-sva.h iommu: Remove ioasid infrastructure 2023-03-31 10:03:31 +02:00
iommu-sysfs.c iommu: Do not export iommu_device_link/unlink() 2023-07-14 16:14:15 +02:00
iommu-traces.c iommu: Remove detach_dev callback 2023-01-13 16:39:18 +01:00
iommu.c iommu: Allow ops->default_domain to work when !CONFIG_IOMMU_DMA 2024-02-01 13:16:17 +01:00
iova.c iommu/iova: Manage the depot list size 2023-09-25 12:07:44 +02:00
ipmmu-vmsa.c iommu/ipmmu-vmsa: Convert to generic_single_device_group() 2023-09-25 11:51:07 +02:00
irq_remapping.c
irq_remapping.h
Kconfig iommu: Change kconfig around IOMMU_SVA 2023-12-12 10:11:27 +01:00
Makefile iommu/tegra-gart: Remove tegra-gart 2023-09-25 11:40:54 +02:00
msm_iommu_hw-8xxx.h
msm_iommu.c iommu: Allow .iotlb_sync_map to fail and handle s390's -ENOMEM return 2023-10-02 08:42:57 +02:00
msm_iommu.h
mtk_iommu_v1.c iommu: Clean up open-coded ownership checks 2023-11-27 11:03:16 +01:00
mtk_iommu.c iommu: Clean up open-coded ownership checks 2023-11-27 11:03:16 +01:00
of_iommu.c Merge branches 'apple/dart', 'arm/rockchip', 'arm/smmu', 'virtio', 'x86/vt-d', 'x86/amd' and 'core' into next 2024-01-03 09:59:32 +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: Mark dev_iommu_priv_set() with a lockdep 2023-12-12 10:18:49 +01:00
omap-iommu.h iommu/omap: Convert to generic_single_device_group() 2023-09-25 11:52:08 +02:00
omap-iopgtable.h
rockchip-iommu.c iommu/rockchip: Update to {map,unmap}_pages 2023-09-25 12:04:37 +02:00
s390-iommu.c iommu/dma: Allow a single FQ in addition to per-CPU FQs 2023-10-02 08:43:03 +02:00
sprd-iommu.c iommu: Clean up open-coded ownership checks 2023-11-27 11:03:16 +01:00
sun50i-iommu.c iommu: Allow .iotlb_sync_map to fail and handle s390's -ENOMEM return 2023-10-02 08:42:57 +02:00
tegra-smmu.c Merge branches 'iommu/fixes', 'arm/tegra', 'arm/smmu', 'virtio', 'x86/vt-d', 'x86/amd', 'core' and 's390' into next 2023-10-27 09:13:40 +02:00
virtio-iommu.c Merge branches 'apple/dart', 'arm/rockchip', 'arm/smmu', 'virtio', 'x86/vt-d', 'x86/amd' and 'core' into next 2024-01-03 09:59:32 +01:00