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linux/drivers/iommu
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Lu Baolu 6e6c6d6bc6 iommu: Avoid unnecessary cache invalidations 
The iommu_create_device_direct_mappings() only needs to flush the caches
when the mappings are changed in the affected domain. This is not true
for non-DMA domains, or for devices attached to the domain that have no
reserved regions. To avoid unnecessary cache invalidations, add a check
before iommu_flush_iotlb_all().

Fixes: a48ce36e27 ("iommu: Prevent RESV_DIRECT devices from blocking domains")
Signed-off-by: Lu Baolu <baolu.lu@linux.intel.com>
Tested-by: Henry Willard <henry.willard@oracle.com>
Link: https://lore.kernel.org/r/20231026084942.17387-1-baolu.lu@linux.intel.com
Signed-off-by: Joerg Roedel <jroedel@suse.de>
2023-10-27 08:57:09 +02:00
..
amd IOMMU Updates for Linux v6.6 2023-09-01 16:54:25 -07:00
arm iommu/arm-smmu-v3: Fix soft lockup triggered by arm_smmu_mm_invalidate_range 2023-09-22 11:15:42 +01:00
intel iommu/vt-d: Avoid memory allocation in iommu_suspend() 2023-09-25 16:10:36 +02:00
iommufd iommufd for 6.6 2023-08-30 20:41:37 -07:00
apple-dart.c iommu/apple-dart: Handle DMA_FQ domains in attach_dev() 2023-09-25 11:37:19 +02:00
dma-iommu.c iommu: Optimise PCI SAC address trick 2023-07-14 16:14:17 +02:00
dma-iommu.h iommu: Optimise PCI SAC address trick 2023-07-14 16:14:17 +02:00
exynos-iommu.c Merge branches 'iommu/fixes', 'arm/allwinner', 'arm/exynos', 'arm/mediatek', 'arm/omap', 'arm/renesas', 'arm/rockchip', 'arm/smmu', 'ppc/pamu', 'unisoc', 'x86/vt-d', 'x86/amd', 'core' and 'platform-remove_new' into next 2023-04-14 13:45:50 +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
fsl_pamu_domain.c iommu/fsl: Use driver_managed_dma to allow VFIO to work 2023-06-01 11:47:48 +02:00
fsl_pamu_domain.h
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/io-pgtable-arm: Remove map/unmap 2022-11-19 10:44:15 +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 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
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: Move global PASID allocation from SVA to core 2023-08-09 17:44:36 +02:00
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: Avoid unnecessary cache invalidations 2023-10-27 08:57:09 +02:00
iova.c iommu/iova: Optimize iova_magazine_alloc() 2023-05-22 17:09:51 +02:00
ipmmu-vmsa.c Merge branches 'apple/dart', 'arm/mediatek', 'arm/renesas', 'arm/rockchip', 'arm/smmu', 'unisoc', 'x86/vt-d', 'x86/amd' and 'core' into next 2023-08-21 14:18:43 +02:00
irq_remapping.c
irq_remapping.h
Kconfig - Yosry Ahmed brought back some cgroup v1 stats in OOM logs. 2023-06-28 10:28:11 -07:00
Makefile iommu: Remove ioasid infrastructure 2023-03-31 10:03:31 +02:00
msm_iommu.c iommu/msm: Convert to platform remove callback returning void 2023-03-31 10:01:57 +02:00
msm_iommu.h
msm_iommu_hw-8xxx.h
mtk_iommu.c iommu/mediatek: Fix share pgtable for iova over 4GB 2023-09-25 11:34:02 +02:00
mtk_iommu_v1.c iommu/mtk_iommu_v1: Convert to platform remove callback returning void 2023-03-31 10:01:58 +02:00
of_iommu.c iommu: Have __iommu_probe_device() check for already probed devices 2023-07-14 16:14:12 +02:00
omap-iommu-debug.c iommu/omap: Fix buffer overflow in debugfs 2022-09-07 10:42:28 +02:00
omap-iommu.c Merge branches 'iommu/fixes', 'arm/allwinner', 'arm/exynos', 'arm/mediatek', 'arm/omap', 'arm/renesas', 'arm/rockchip', 'arm/smmu', 'ppc/pamu', 'unisoc', 'x86/vt-d', 'x86/amd', 'core' and 'platform-remove_new' into next 2023-04-14 13:45:50 +02:00
omap-iommu.h
omap-iopgtable.h
rockchip-iommu.c iommu: rockchip: Allocate tables from all available memory for IOMMU v2 2023-07-14 16:18:04 +02:00
s390-iommu.c iommufd for 6.3 2023-02-24 14:34:12 -08:00
sprd-iommu.c Merge branches 'apple/dart', 'arm/mediatek', 'arm/renesas', 'arm/rockchip', 'arm/smmu', 'unisoc', 'x86/vt-d', 'x86/amd' and 'core' into next 2023-08-21 14:18:43 +02:00
sun50i-iommu.c iommu/sun50i: remove MODULE_LICENSE in non-modules 2023-04-13 13:13:52 -07:00
tegra-gart.c iommu: Add set_platform_dma_ops callbacks 2023-01-13 16:39:16 +01:00
tegra-smmu.c iommu: Explicitly include correct DT includes 2023-08-21 14:17:59 +02:00
virtio-iommu.c iommu: Explicitly include correct DT includes 2023-08-21 14:17:59 +02:00