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| author | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2025-10-15 13:04:23 +0300 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2025-10-15 13:04:23 +0300 |
| commit | 608f2e77e49f99663221a857f518c568a320a4cc (patch) | |
| tree | 56bc39b6644673ef3990b4354521e2983d381aef /drivers/iommu/intel/debugfs.c | |
| parent | 4a12f38e23d10a5dbad6cce0abaadd10e5a1aa68 (diff) | |
| parent | 17e9266e1aff69de51dbd554c8dad36c4cfef0bd (diff) | |
| download | linux-rolling-stable.tar.xz | |
Merge v6.17.3linux-rolling-stable
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'drivers/iommu/intel/debugfs.c')
| -rw-r--r-- | drivers/iommu/intel/debugfs.c | 17 |
1 files changed, 15 insertions, 2 deletions
diff --git a/drivers/iommu/intel/debugfs.c b/drivers/iommu/intel/debugfs.c index affbf4a1558d..5aa7f46a420b 100644 --- a/drivers/iommu/intel/debugfs.c +++ b/drivers/iommu/intel/debugfs.c @@ -435,8 +435,21 @@ static int domain_translation_struct_show(struct seq_file *m, } pgd &= VTD_PAGE_MASK; } else { /* legacy mode */ - pgd = context->lo & VTD_PAGE_MASK; - agaw = context->hi & 7; + u8 tt = (u8)(context->lo & GENMASK_ULL(3, 2)) >> 2; + + /* + * According to Translation Type(TT), + * get the page table pointer(SSPTPTR). + */ + switch (tt) { + case CONTEXT_TT_MULTI_LEVEL: + case CONTEXT_TT_DEV_IOTLB: + pgd = context->lo & VTD_PAGE_MASK; + agaw = context->hi & 7; + break; + default: + goto iommu_unlock; + } } seq_printf(m, "Device %04x:%02x:%02x.%x ", |