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8798d36411
linux/drivers/iommu
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Liu Yi L 8798d36411 iommu/vt-d: Fix incomplete cache flush in intel_pasid_tear_down_entry() 
This fixes improper iotlb invalidation in intel_pasid_tear_down_entry().
When a PASID was used as nested mode, released and reused, the following
error message will appear:

[  180.187556] Unexpected page request in Privilege Mode
[  180.187565] Unexpected page request in Privilege Mode
[  180.279933] Unexpected page request in Privilege Mode
[  180.279937] Unexpected page request in Privilege Mode

Per chapter 6.5.3.3 of VT-d spec 3.3, when tear down a pasid entry, the
software should use Domain selective IOTLB flush if the PGTT of the pasid
entry is SL only or Nested, while for the pasid entries whose PGTT is FL
only or PT using PASID-based IOTLB flush is enough.

Fixes: 2cd1311a26 ("iommu/vt-d: Add set domain DOMAIN_ATTR_NESTING attr")
Signed-off-by: Kumar Sanjay K <sanjay.k.kumar@intel.com>
Signed-off-by: Liu Yi L <yi.l.liu@intel.com>
Tested-by: Yi Sun <yi.y.sun@intel.com>
Link: https://lore.kernel.org/r/20210817042425.1784279-1-yi.l.liu@intel.com
Signed-off-by: Lu Baolu <baolu.lu@linux.intel.com>
Link: https://lore.kernel.org/r/20210817124321.1517985-3-baolu.lu@linux.intel.com
Signed-off-by: Joerg Roedel <jroedel@suse.de>
2021-08-18 13:15:58 +02:00
..
amd Merge branches 'iommu/fixes', 'arm/rockchip', 'arm/smmu', 'x86/vt-d', 'x86/amd', 'virtio' and 'core' into next 2021-06-25 15:23:25 +02:00
arm fallthrough fixes for Clang for 5.14-rc2 2021-07-15 13:57:31 -07:00
intel iommu/vt-d: Fix incomplete cache flush in intel_pasid_tear_down_entry() 2021-08-18 13:15:58 +02:00
dma-iommu.c iommu/dma: Fix leak in non-contiguous API 2021-07-26 14:27:08 +02:00
exynos-iommu.c iommu: Drop unnecessary of_iommu.h includes 2021-06-08 14:15:46 +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
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
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: Quad lvl1 pgtable for MediaTek 2021-02-01 11:31:17 +00:00
io-pgtable-arm.c IOMMU updates for 5.11 2020-12-16 13:58:47 -08:00
io-pgtable-arm.h iommu/io-pgtable-arm: Move some definitions to a header 2020-09-28 23:48:06 +01:00
io-pgtable.c iommu/amd: Prepare for generic IO page table framework 2021-01-28 16:51:17 +01:00
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: Check if group is NULL before remove device 2021-08-02 16:22:00 +02:00
iova.c iommu/iova: Put free_iova_mem() outside of spinlock iova_rbtree_lock 2021-06-08 14:15:46 +02:00
ipmmu-vmsa.c iommu: Drop unnecessary of_iommu.h includes 2021-06-08 14:15:46 +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/virtio: Enable x86 support 2021-06-25 15:02:43 +02:00
Makefile Merge branches 'iommu/fixes', 'arm/mediatek', 'arm/smmu', 'arm/exynos', 'unisoc', 'x86/vt-d', 'x86/amd' and 'core' into next 2021-04-16 17:16:03 +02:00
msm_iommu_hw-8xxx.h
msm_iommu.c iommu: Drop unnecessary of_iommu.h includes 2021-06-08 14:15:46 +02:00
msm_iommu.h
mtk_iommu_v1.c iommu: Drop unnecessary of_iommu.h includes 2021-06-08 14:15:46 +02:00
mtk_iommu.c iommu: Drop unnecessary of_iommu.h includes 2021-06-08 14:15:46 +02:00
mtk_iommu.h iommu/mediatek: Add mt8192 support 2021-02-01 11:31:19 +00:00
of_iommu.c iommu: Remove unused of_get_dma_window() 2021-06-08 14:15:46 +02:00
omap-iommu-debug.c iommu/omap: Check for failure of a call to omap_iommu_dump_ctx 2020-07-22 15:02:33 +02:00
omap-iommu.c iommu: Drop unnecessary of_iommu.h includes 2021-06-08 14:15:46 +02:00
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/rockchip: Fix physical address decoding 2021-07-14 12:58:07 +02:00
s390-iommu.c iommu: Streamline registration interface 2021-04-16 17:20:45 +02:00
sprd-iommu.c iommu: Streamline registration interface 2021-04-16 17:20:45 +02:00
sun50i-iommu.c iommu: Streamline registration interface 2021-04-16 17:20:45 +02:00
tegra-gart.c iommu: Streamline registration interface 2021-04-16 17:20:45 +02:00
tegra-smmu.c memory: tegra: Consolidate register fields 2021-06-03 21:49:40 +02:00
virtio-iommu.c Merge branches 'iommu/fixes', 'arm/rockchip', 'arm/smmu', 'x86/vt-d', 'x86/amd', 'virtio' and 'core' into next 2021-06-25 15:23:25 +02:00