Changeset 28285 in vbox

Timestamp:

Apr 14, 2010 10:00:45 AM (15 years ago)

Author:

vboxsync

Message:

We don't pass on invlpg information to the recompiler for nested paging guests, so we must make sure the recompiler flushes its TLB
the next time it executes code.

File:

• trunk/src/VBox/VMM/VMMR0/HWACCMR0.cpp (modified) (1 diff)

trunk/src/VBox/VMM/VMMR0/HWACCMR0.cpp

@@ -1153 +1153 @@
 
     rc = HWACCMR0Globals.pfnLeaveSession(pVM, pVCpu, pCtx);
+
+    /* We don't pass on invlpg information to the recompiler for nested paging guests, so we must make sure the recompiler flushes its TLB 
+     * the next time it executes code.
+     */
+    if (    pVM->hwaccm.s.fNestedPaging
+        &&  CPUMIsGuestInPagedProtectedModeEx(pCtx))
+    {
+        CPUMSetChangedFlags(pVCpu, CPUM_CHANGED_GLOBAL_TLB_FLUSH);
+    }
 
     /* keep track of the CPU owning the VMCS for debugging scheduling weirdness and ring-3 calls. */