WSL2-Linux-Kernel/drivers/iommu
Jon Pan-Doh d42d869b2c iommu/amd: Fix domain flush size when syncing iotlb
commit 2212fc2acf upstream.

When running on an AMD vIOMMU, we observed multiple invalidations (of
decreasing power of 2 aligned sizes) when unmapping a single page.

Domain flush takes gather bounds (end-start) as size param. However,
gather->end is defined as the last inclusive address (start + size - 1).
This leads to an off by 1 error.

With this patch, verified that 1 invalidation occurs when unmapping a
single page.

Fixes: a270be1b3f ("iommu/amd: Use only natural aligned flushes in a VM")
Cc: stable@vger.kernel.org # >= 5.15
Signed-off-by: Jon Pan-Doh <pandoh@google.com>
Tested-by: Sudheer Dantuluri <dantuluris@google.com>
Suggested-by: Gary Zibrat <gzibrat@google.com>
Reviewed-by: Vasant Hegde <vasant.hegde@amd.com>
Acked-by: Nadav Amit <namit@vmware.com>
Link: https://lore.kernel.org/r/20230426203256.237116-1-pandoh@google.com
Signed-off-by: Joerg Roedel <jroedel@suse.de>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2023-06-09 10:32:31 +02:00
..
amd iommu/amd: Fix domain flush size when syncing iotlb 2023-06-09 10:32:31 +02:00
arm iommu/arm-smmu-v3: Acknowledge pri/event queue overflow if any 2023-05-24 17:36:48 +01:00
intel iommu/vt-d: Allow zero SAGAW if second-stage not supported 2023-04-05 11:24:58 +02:00
Kconfig
Makefile
apple-dart.c
dma-iommu.c
exynos-iommu.c
fsl_pamu.c iommu/fsl_pamu: Fix resource leak in fsl_pamu_probe() 2022-12-31 13:14:35 +01:00
fsl_pamu.h
fsl_pamu_domain.c
fsl_pamu_domain.h
hyperv-iommu.c
io-pgfault.c
io-pgtable-arm-v7s.c iommu/io-pgtable-arm-v7s: Add a quirk to allow pgtable PA up to 35bit 2022-08-25 11:40:41 +02:00
io-pgtable-arm.c
io-pgtable-arm.h
io-pgtable.c
ioasid.c
iommu-debugfs.c
iommu-sva-lib.c
iommu-sva-lib.h
iommu-sysfs.c
iommu-traces.c
iommu.c iommu: Fix error unwind in iommu_group_alloc() 2023-03-10 09:39:42 +01:00
iova.c iommu/iova: Fix alloc iova overflows issue 2023-01-18 11:48:52 +01:00
ipmmu-vmsa.c
irq_remapping.c
irq_remapping.h
msm_iommu.c
msm_iommu.h
msm_iommu_hw-8xxx.h
mtk_iommu.c
mtk_iommu.h
mtk_iommu_v1.c iommu/mediatek-v1: Fix an error handling path in mtk_iommu_v1_probe() 2023-01-18 11:48:52 +01:00
of_iommu.c
omap-iommu-debug.c iommu/omap: Fix buffer overflow in debugfs 2022-10-26 12:35:25 +02:00
omap-iommu.c
omap-iommu.h
omap-iopgtable.h
rockchip-iommu.c iommu/rockchip: Fix unwind goto issue 2023-06-09 10:32:15 +02:00
s390-iommu.c
sprd-iommu.c iommu/sprd: Release dma buffer to avoid memory leak 2023-05-24 17:36:48 +01:00
sun50i-iommu.c iommu/sun50i: Remove IOMMU_DOMAIN_IDENTITY 2022-12-31 13:14:35 +01:00
tegra-gart.c
tegra-smmu.c
virtio-iommu.c