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IOMMU Fixes for Linux v6.11-rc1

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- Fix NULL dereference when freeing domain in Unisoc SPRD driver.
 
 - Separate assignment statements with semicolons in AMD page-table code.
 
 - Fix Tegra erratum workaround when the CPU is using 16KiB pages.
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Merge tag 'iommu-fixes-v6.11-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/iommu/linux

Pull iommu fixes from Will Deacon:
 "We're still resolving a regression with the handling of unexpected
  page faults on SMMUv3, but we're not quite there with a fix yet.

   - Fix NULL dereference when freeing domain in Unisoc SPRD driver

   - Separate assignment statements with semicolons in AMD page-table
     code

   - Fix Tegra erratum workaround when the CPU is using 16KiB pages"

* tag 'iommu-fixes-v6.11-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/iommu/linux:
  iommu: arm-smmu: Fix Tegra workaround for PAGE_SIZE mappings
  iommu/amd: Convert comma to semicolon
  iommu: sprd: Avoid NULL deref in sprd_iommu_hw_en
This commit is contained in:
Linus Torvalds 2024-07-27 12:39:55 -07:00
commit b465ed28f7
3 changed files with 5 additions and 5 deletions
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6
drivers/iommu/amd/io_pgtable.c
View File

@ -588,9 +588,9 @@ static struct io_pgtable *v1_alloc_pgtable(struct io_pgtable_cfg *cfg, void *coo
{
struct amd_io_pgtable *pgtable = io_pgtable_cfg_to_data(cfg);
cfg->pgsize_bitmap = AMD_IOMMU_PGSIZES,
cfg->ias = IOMMU_IN_ADDR_BIT_SIZE,
cfg->oas = IOMMU_OUT_ADDR_BIT_SIZE,
cfg->pgsize_bitmap = AMD_IOMMU_PGSIZES;
cfg->ias = IOMMU_IN_ADDR_BIT_SIZE;
cfg->oas = IOMMU_OUT_ADDR_BIT_SIZE;
cfg->tlb = &v1_flush_ops;
pgtable->iop.ops.map_pages = iommu_v1_map_pages;

2
drivers/iommu/arm/arm-smmu/arm-smmu-nvidia.c
View File

@ -277,7 +277,7 @@ static int nvidia_smmu_init_context(struct arm_smmu_domain *smmu_domain,
*/
if (of_device_is_compatible(np, "nvidia,tegra234-smmu") ||
of_device_is_compatible(np, "nvidia,tegra194-smmu")) {
smmu->pgsize_bitmap = PAGE_SIZE;
smmu->pgsize_bitmap &= GENMASK(PAGE_SHIFT, 0);
pgtbl_cfg->pgsize_bitmap = smmu->pgsize_bitmap;
}

2
drivers/iommu/sprd-iommu.c
View File

@ -232,8 +232,8 @@ static void sprd_iommu_cleanup(struct sprd_iommu_domain *dom)
pgt_size = sprd_iommu_pgt_size(&dom->domain);
dma_free_coherent(dom->sdev->dev, pgt_size, dom->pgt_va, dom->pgt_pa);
dom->sdev = NULL;
sprd_iommu_hw_en(dom->sdev, false);
dom->sdev = NULL;
}
static void sprd_iommu_domain_free(struct iommu_domain *domain)