Changeset 45651 in vbox

Timestamp:

Apr 19, 2013 5:23:08 PM (12 years ago)

Author:

vboxsync

Message:

VMM/HMVMXR0: Actually we -do- need to intercept #DB (hypervisor debugging) but it's not handled in the #DB handler properly.

File:

• trunk/src/VBox/VMM/VMMR0/HMVMXR0.cpp (modified) (1 diff)

trunk/src/VBox/VMM/VMMR0/HMVMXR0.cpp

@@ -5945 +5945 @@
                  * VMX_EXIT_APIC_WRITE, VMX_EXIT_VIRTUALIZED_EOI. See Intel spec. 27.3.4 "Saving Non-Register State".
                  */
-#ifndef HMVMX_TRAP_ALL_EXCEPTIONS
-                /* Don't intercept the #DB resulting from the pending-debug exception. */
-                pVCpu->hm.s.vmx.u32XcptBitmap &= ~RT_BIT(X86_XCPT_DB);
-                rc2  = VMXWriteVmcs32(VMX_VMCS32_CTRL_EXCEPTION_BITMAP, pVCpu->hm.s.vmx.u32XcptBitmap);
-#endif
-                rc2 |= VMXWriteVmcsGstN(VMX_VMCS_GUEST_PENDING_DEBUG_EXCEPTIONS, VMX_VMCS_GUEST_DEBUG_EXCEPTIONS_BS);
+                rc2 = VMXWriteVmcsGstN(VMX_VMCS_GUEST_PENDING_DEBUG_EXCEPTIONS, VMX_VMCS_GUEST_DEBUG_EXCEPTIONS_BS);
             }
         }