Changeset 72606 in vbox for trunk/src/VBox/VMM/VMMR3

Timestamp:

Jun 18, 2018 7:03:15 PM (7 years ago)

Author:

vboxsync

Message:

HMVMXR0.cpp,EM: Code for optimizing I/O port, MMIO and CPUID exits (currently disabled by default). bugref:9198

Location:

trunk/src/VBox/VMM/VMMR3

Files:

• EM.cpp (modified) (1 diff)
• EMR3Dbg.cpp (modified) (1 diff)

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

@@ -150 +150 @@
 
     /**
-     * @cfgm{/EM/ExitOptimizationEnabled, bool, true}
+     * @cfgm{/EM/ExitOptimizationEnabled, bool, true for NEM otherwise false}
      * Whether to try correlate exit history, detect hot spots and try optimize
      * these using IEM if there are other exits close by.
+     * @todo enable for HM too.
      */
     bool fExitOptimizationEnabled = true;
-    rc = CFGMR3QueryBoolDef(pCfgEM, "ExitOptimizationEnabled", &fExitOptimizationEnabled, true);
+    rc = CFGMR3QueryBoolDef(pCfgEM, "ExitOptimizationEnabled", &fExitOptimizationEnabled, VM_IS_NEM_ENABLED(pVM));
     AssertLogRelRCReturn(rc, rc);
+
     for (VMCPUID i = 0; i < pVM->cCpus; i++)
         pVM->aCpus[i].em.s.fExitOptimizationEnabled = fExitOptimizationEnabled;

trunk/src/VBox/VMM/VMMR3/EMR3Dbg.cpp

@@ -87 +87 @@
         case EMEXITTYPE_IO_PORT_STR_READ:   return "I/O port string read";
         case EMEXITTYPE_IO_PORT_STR_WRITE:  return "I/O port string write";
+        case EMEXITTYPE_MMIO:               return "MMIO access";
         case EMEXITTYPE_MMIO_READ:          return "MMIO read";
         case EMEXITTYPE_MMIO_WRITE:         return "MMIO write";