Changeset 56628 in vbox for trunk/src/VBox/VMM/VMMR3/EM.cpp

Timestamp:

Jun 24, 2015 7:44:56 PM (10 years ago)

Author:

vboxsync

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

101262

Message:

IEM: Postpone INS memory writes to ring-3 if we hit an access handler. We cannot redo the read, that will only mess things us. This introduces a new per-cpu forced flag, VMCPU_FF_IEM, that must cause immediate return to ring-3 where it will be serviced ASAP. IEM will try return VINF_EM_RAW_TO_R3 as well to help make sure we get back to ring-3.

File:

• trunk/src/VBox/VMM/VMMR3/EM.cpp (modified) (1 diff)

trunk/src/VBox/VMM/VMMR3/EM.cpp

@@ -1575 +1575 @@
     }
 
+    /* IEM has pending work (typically memory write after INS instruction). */
+    if (VMCPU_FF_IS_PENDING(pVCpu, VMCPU_FF_IEM))
+        rc = VBOXSTRICTRC_TODO(IEMR3DoPendingAction(pVCpu, rc));
+
 #ifdef VBOX_WITH_RAW_MODE
     if (VMCPU_FF_IS_PENDING(pVCpu, VMCPU_FF_CSAM_PENDING_ACTION))