diff --git a/ArmPkg/Library/ArmMmuLib/Arm/ArmMmuLibCore.c b/ArmPkg/Library/ArmMmuLib/Arm/ArmMmuLibCore.c index 774a7ccf59..9eb6dd8d25 100644 --- a/ArmPkg/Library/ArmMmuLib/Arm/ArmMmuLibCore.c +++ b/ArmPkg/Library/ArmMmuLib/Arm/ArmMmuLibCore.c @@ -597,12 +597,6 @@ UpdatePageEntries ( if (CurrentPageTableEntry != PageTableEntry) { Mva = (VOID *)(UINTN)((((UINTN)FirstLevelIdx) << TT_DESCRIPTOR_SECTION_BASE_SHIFT) + (PageTableIndex << TT_DESCRIPTOR_PAGE_BASE_SHIFT)); - // Clean/invalidate the cache for this page, but only - // if we are modifying the memory type attributes - if (((CurrentPageTableEntry ^ PageTableEntry) & TT_DESCRIPTOR_PAGE_CACHE_POLICY_MASK) != 0) { - WriteBackInvalidateDataCacheRange (Mva, TT_DESCRIPTOR_PAGE_SIZE); - } - // Only need to update if we are changing the entry PageTable[PageTableIndex] = PageTableEntry; ArmUpdateTranslationTableEntry ((VOID *)&PageTable[PageTableIndex], Mva); @@ -718,12 +712,6 @@ UpdateSectionEntries ( if (CurrentDescriptor != Descriptor) { Mva = (VOID *)(UINTN)(((UINTN)FirstLevelTable) << TT_DESCRIPTOR_SECTION_BASE_SHIFT); - // Clean/invalidate the cache for this section, but only - // if we are modifying the memory type attributes - if (((CurrentDescriptor ^ Descriptor) & TT_DESCRIPTOR_SECTION_CACHE_POLICY_MASK) != 0) { - WriteBackInvalidateDataCacheRange (Mva, SIZE_1MB); - } - // Only need to update if we are changing the descriptor FirstLevelTable[FirstLevelIdx + i] = Descriptor; ArmUpdateTranslationTableEntry ((VOID *)&FirstLevelTable[FirstLevelIdx + i], Mva);