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Diffstat (limited to 'drivers/iommu/intel-iommu.c')
| -rw-r--r-- | drivers/iommu/intel-iommu.c | 2 |
1 files changed, 2 insertions, 0 deletions
diff --git a/drivers/iommu/intel-iommu.c b/drivers/iommu/intel-iommu.c index a27d6cb1a793..ba0fa2a8d696 100644 --- a/drivers/iommu/intel-iommu.c +++ b/drivers/iommu/intel-iommu.c @@ -195,6 +195,7 @@ static inline void set_root_present(struct root_entry *root) } static inline void set_root_value(struct root_entry *root, unsigned long value) { + root->val &= ~VTD_PAGE_MASK; root->val |= value & VTD_PAGE_MASK; } @@ -247,6 +248,7 @@ static inline void context_set_translation_type(struct context_entry *context, static inline void context_set_address_root(struct context_entry *context, unsigned long value) { + context->lo &= ~VTD_PAGE_MASK; context->lo |= value & VTD_PAGE_MASK; } |