Nicolin Chen 85a1d70b86 iommu/tegra241-cmdqv: Fix alignment failure at max_n_shift ...

[ Upstream commit a3799717b8 ]

When configuring a kernel with PAGE_SIZE=4KB, depending on its setting of
CONFIG_CMA_ALIGNMENT, VCMDQ_LOG2SIZE_MAX=19 could fail the alignment test
and trigger a WARN_ON:
    WARNING: at drivers/iommu/arm/arm-smmu-v3/arm-smmu-v3.c:3646
    Call trace:
     arm_smmu_init_one_queue+0x15c/0x210
     tegra241_cmdqv_init_structures+0x114/0x338
     arm_smmu_device_probe+0xb48/0x1d90

Fix it by capping max_n_shift to CMDQ_MAX_SZ_SHIFT as SMMUv3 CMDQ does.

Fixes: 918eb5c856 ("iommu/arm-smmu-v3: Add in-kernel support for NVIDIA Tegra241 (Grace) CMDQV")
Signed-off-by: Nicolin Chen <nicolinc@nvidia.com>
Link: https://lore.kernel.org/r/20241111030226.1940737-1-nicolinc@nvidia.com
Signed-off-by: Will Deacon <will@kernel.org>
Signed-off-by: Sasha Levin <sashal@kernel.org>

2024-12-05 14:02:13 +01:00

..

amd

iommu/amd/pgtbl_v2: Take protection domain lock before invalidating TLB

2024-12-05 14:02:06 +01:00

arm

iommu/tegra241-cmdqv: Fix alignment failure at max_n_shift

2024-12-05 14:02:13 +01:00

intel

iommu/vt-d: Fix checks and print in pgtable_walk()

2024-12-05 14:02:09 +01:00

iommufd

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apple-dart.c

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dma-iommu.c

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dma-iommu.h

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exynos-iommu.c

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fsl_pamu_domain.c

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fsl_pamu_domain.h

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fsl_pamu.c

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fsl_pamu.h

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hyperv-iommu.c

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io-pgfault.c

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io-pgtable-arm-v7s.c

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io-pgtable-arm.c

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io-pgtable-arm.h

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io-pgtable-dart.c

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io-pgtable.c

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iommu-debugfs.c

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iommu-pages.h

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iommu-priv.h

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iommu-sva.c

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iommu-sysfs.c

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iommu-traces.c

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iommu.c

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iova.c

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ipmmu-vmsa.c

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irq_remapping.c

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irq_remapping.h

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Kconfig

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Makefile

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msm_iommu_hw-8xxx.h

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msm_iommu.c

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msm_iommu.h

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mtk_iommu_v1.c

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mtk_iommu.c

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of_iommu.c

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omap-iommu-debug.c

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omap-iommu.c

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omap-iommu.h

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omap-iopgtable.h

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rockchip-iommu.c

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s390-iommu.c

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sprd-iommu.c

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sun50i-iommu.c

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tegra-smmu.c

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virtio-iommu.c

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