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linux-stable/drivers/iommu
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David Stevens c3841d020b iommu/dma: Skip extra sync during unmap w/swiotlb 
commit ee9d4097cc upstream.

Calling the iommu_dma_sync_*_for_cpu functions during unmap can cause
two copies out of the swiotlb buffer. Do the arch sync directly in
__iommu_dma_unmap_swiotlb instead to avoid this. This makes the call to
iommu_dma_sync_sg_for_cpu for untrusted devices in iommu_dma_unmap_sg no
longer necessary, so move that invocation later in the function.

Signed-off-by: David Stevens <stevensd@chromium.org>
Reviewed-by: Christoph Hellwig <hch@lst.de>
Reviewed-by: Robin Murphy <robin.murphy@arm.com>
Link: https://lore.kernel.org/r/20210929023300.335969-4-stevensd@google.com
Signed-off-by: Joerg Roedel <jroedel@suse.de>
Cc: Mario Limonciello <Mario.Limonciello@amd.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2022-04-08 14:24:17 +02:00
..
amd iommu/amd: Fix I/O page table memory leak 2022-03-08 19:12:49 +01:00
arm iommu/arm-smmu-qcom: Fix TTBR0 read 2022-01-27 11:04:11 +01:00
intel iommu/vt-d: Fix double list_add when enabling VMD in scalable mode 2022-03-08 19:12:43 +01:00
apple-dart.c iommu/dart: Initialize DART_STREAMS_ENABLE 2021-11-25 09:48:30 +01:00
dma-iommu.c iommu/dma: Skip extra sync during unmap w/swiotlb 2022-04-08 14:24:17 +02:00
exynos-iommu.c iommu/exynos: Drop IOVA cookie management 2021-08-18 13:25:31 +02:00
fsl_pamu.c iommu/fsl_pamu: hardcode the window address and size in pamu_config_ppaace 2021-04-07 10:56:52 +02:00
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: Streamline registration interface 2021-04-16 17:20:45 +02:00
fsl_pamu_domain.h iommu/fsl_pamu: remove the snoop_id field 2021-04-07 10:56:52 +02:00
hyperv-iommu.c iommu/hyperv: setup an IO-APIC IRQ remapping domain for root partition 2021-02-11 08:47:07 +00:00
io-pgfault.c iommu: Add a page fault handler 2021-04-07 10:54:29 +02:00
io-pgtable-arm-v7s.c iommu/io-pgtable-arm-v7s: Add error handle for page table allocation failure 2022-01-27 11:02:58 +01:00
io-pgtable-arm.c iommu/io-pgtable-arm: Fix table descriptor paddr formatting 2022-01-27 11:04:10 +01:00
io-pgtable-arm.h
io-pgtable.c iommu/io-pgtable: Add DART pagetable format 2021-08-12 13:15:02 +02:00
ioasid.c iommu/ioasid: Add ioasid references 2020-11-23 14:16:55 +00:00
iommu-debugfs.c
iommu-sva-lib.c iommu/sva: Add PASID helpers 2020-11-23 14:16:55 +00:00
iommu-sva-lib.h iommu: Add a page fault handler 2021-04-07 10:54:29 +02:00
iommu-sysfs.c
iommu-traces.c
iommu.c iommu: Fix potential use-after-free during probe 2022-02-16 12:56:41 +01:00
iova.c iommu/iova: Improve 32-bit free space estimate 2022-04-08 14:22:48 +02:00
ipmmu-vmsa.c iommu/ipmmu-vmsa: Check for error num after setting mask 2022-04-08 14:23:31 +02:00
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/arm: fix ARM_SMMU_QCOM compilation 2021-10-13 21:28:44 +02:00
Makefile iommu/dart: Add DART iommu driver 2021-08-12 13:15:02 +02:00
msm_iommu.c iommu: Drop unnecessary of_iommu.h includes 2021-06-08 14:15:46 +02:00
msm_iommu.h
msm_iommu_hw-8xxx.h
mtk_iommu.c media: iommu/mediatek: Add device_link between the consumer and the larb devices 2022-04-08 14:23:59 +02:00
mtk_iommu.h iommu/mediatek: Add mt8192 support 2021-02-01 11:31:19 +00:00
mtk_iommu_v1.c media: iommu/mediatek: Add device_link between the consumer and the larb devices 2022-04-08 14:23:59 +02:00
of_iommu.c iommu: Remove unused of_get_dma_window() 2021-06-08 14:15:46 +02:00
omap-iommu-debug.c
omap-iommu.c iommu: Drop unnecessary of_iommu.h includes 2021-06-08 14:15:46 +02:00
omap-iommu.h
omap-iopgtable.h
rockchip-iommu.c iommu/rockchip: Fix PAGE_DESC_HI_MASKs for RK3568 2021-12-01 09:04:54 +01:00
s390-iommu.c s390/pci: improve DMA translation init and exit 2021-08-25 11:03:34 +02:00
sprd-iommu.c iommu/sprd: Drop IOVA cookie management 2021-08-18 13:25:32 +02:00
sun50i-iommu.c iommu/sun50i: Drop IOVA cookie management 2021-08-18 13:25:32 +02:00
tegra-gart.c iommu: Streamline registration interface 2021-04-16 17:20:45 +02:00
tegra-smmu.c iommu/tegra-smmu: Fix missing put_device() call in tegra_smmu_find 2022-03-08 19:12:47 +01:00
virtio-iommu.c iommu/virtio: Drop IOVA cookie management 2021-08-18 13:25:32 +02:00