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IOMMU Fix for Linux v6.16-rc1:

Browse source 
Including:
 
 	- NVidia Tegra: Fix PTE size calculation.
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Merge tag 'iommu-fixes-v6.16-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/iommu/linux

Pull iommu fix from Joerg Roedel:

 - Fix PTE size calculation for NVidia Tegra

* tag 'iommu-fixes-v6.16-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/iommu/linux:
  iommu/tegra: Fix incorrect size calculation
This commit is contained in:
Linus Torvalds 2025-06-14 10:01:47 -07:00
commit ac91b4de44
1 changed files with 2 additions and 2 deletions
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4
drivers/iommu/tegra-smmu.c
View file

@ -559,11 +559,11 @@ static void tegra_smmu_set_pde(struct tegra_smmu_as *as, unsigned long iova,
{
unsigned int pd_index = iova_pd_index(iova);
struct tegra_smmu *smmu = as->smmu;
struct tegra_pd *pd = as->pd;
u32 *pd = &as->pd->val[pd_index];
unsigned long offset = pd_index * sizeof(*pd);
/* Set the page directory entry first */
pd->val[pd_index] = value;
*pd = value;
/* The flush the page directory entry from caches */
dma_sync_single_range_for_device(smmu->dev, as->pd_dma, offset,