Changeset 100815 in vbox

Timestamp:

Aug 7, 2023 10:32:22 AM (16 months ago)

Author:

vboxsync

Message:

VMM/IEM: Tiny data TLB usage tweak. bugref:10369

File:

• trunk/src/VBox/VMM/VMMAll/IEMAll.cpp (modified) (2 diffs)

trunk/src/VBox/VMM/VMMAll/IEMAll.cpp

@@ -7110 +7110 @@
              * Check TLB page table level access flags.
              */
-            uint64_t const fNoUser = IEM_GET_CPL(pVCpu) == 3 ? IEMTLBE_F_PT_NO_USER : 0;
+            AssertCompile(IEMTLBE_F_PT_NO_USER == 4);
+            uint64_t const fNoUser = (IEM_GET_CPL(pVCpu) + 1) & IEMTLBE_F_PT_NO_USER;
             if (   (pTlbe->fFlagsAndPhysRev & (  IEMTLBE_F_PHYS_REV       | IEMTLBE_F_PG_UNASSIGNED | IEMTLBE_F_PG_NO_READ
                                                | IEMTLBE_F_PT_NO_ACCESSED | IEMTLBE_F_NO_MAPPINGR3  | fNoUser))
@@ -7182 +7183 @@
              * Check TLB page table level access flags.
              */
-            uint64_t const fNoUser = IEM_GET_CPL(pVCpu) == 3 ? IEMTLBE_F_PT_NO_USER : 0;
+            AssertCompile(IEMTLBE_F_PT_NO_USER == 4);
+            uint64_t const fNoUser = (IEM_GET_CPL(pVCpu) + 1) & IEMTLBE_F_PT_NO_USER;
             if (   (pTlbe->fFlagsAndPhysRev & (  IEMTLBE_F_PHYS_REV       | IEMTLBE_F_PG_UNASSIGNED | IEMTLBE_F_PG_NO_READ
                                                | IEMTLBE_F_PT_NO_ACCESSED | IEMTLBE_F_NO_MAPPINGR3  | fNoUser))