Changeset 43353 in vbox for trunk/src/VBox/VMM

Timestamp:

Sep 18, 2012 3:25:10 PM (12 years ago)

Author:

vboxsync

svn:sync-xref-src-repo-rev:

80809

Message:

VMM/HWSVMR0: Don't create executable mappings for VMCB and friends.

File:

• trunk/src/VBox/VMM/VMMR0/HWSVMR0.cpp (modified) (4 diffs)

trunk/src/VBox/VMM/VMMR0/HWSVMR0.cpp

@@ -162 +162 @@
 
     /* Allocate 12 KB for the IO bitmap (doesn't seem to be a way to convince SVM not to use it) */
-    rc = RTR0MemObjAllocCont(&pVM->hwaccm.s.svm.pMemObjIOBitmap, 3 << PAGE_SHIFT, true /* executable R0 mapping */);
+    rc = RTR0MemObjAllocCont(&pVM->hwaccm.s.svm.pMemObjIOBitmap, 3 << PAGE_SHIFT, false /* executable R0 mapping */);
     if (RT_FAILURE(rc))
         return rc;
@@ -212 +212 @@
 
         /* Allocate one page for the host context */
-        rc = RTR0MemObjAllocCont(&pVCpu->hwaccm.s.svm.pMemObjVMCBHost, 1 << PAGE_SHIFT, true /* executable R0 mapping */);
+        rc = RTR0MemObjAllocCont(&pVCpu->hwaccm.s.svm.pMemObjVMCBHost, 1 << PAGE_SHIFT, false /* executable R0 mapping */);
         if (RT_FAILURE(rc))
             return rc;
@@ -222 +222 @@
 
         /* Allocate one page for the VM control block (VMCB). */
-        rc = RTR0MemObjAllocCont(&pVCpu->hwaccm.s.svm.pMemObjVMCB, 1 << PAGE_SHIFT, true /* executable R0 mapping */);
+        rc = RTR0MemObjAllocCont(&pVCpu->hwaccm.s.svm.pMemObjVMCB, 1 << PAGE_SHIFT, false /* executable R0 mapping */);
         if (RT_FAILURE(rc))
             return rc;
@@ -232 +232 @@
 
         /* Allocate 8 KB for the MSR bitmap (doesn't seem to be a way to convince SVM not to use it) */
-        rc = RTR0MemObjAllocCont(&pVCpu->hwaccm.s.svm.pMemObjMSRBitmap, 2 << PAGE_SHIFT, true /* executable R0 mapping */);
+        rc = RTR0MemObjAllocCont(&pVCpu->hwaccm.s.svm.pMemObjMSRBitmap, 2 << PAGE_SHIFT, false /* executable R0 mapping */);
         if (RT_FAILURE(rc))
             return rc;