Changeset 31352 in vbox for trunk/src/VBox/VMM/VMMAll

Timestamp:

Aug 4, 2010 9:45:01 AM (15 years ago)

Author:

vboxsync

Message:

Don't assume a thread can't migrate to another CPU. The code that requires this must (and already does) disable preemption.

File:

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

trunk/src/VBox/VMM/VMMAll/VMMAll.cpp

@@ -60 +60 @@
         return 0;
 
-    /* RTMpCpuId had better be cheap. */
-    RTCPUID idHostCpu = RTMpCpuId();
+    /* RTThreadGetNativeSelf had better be cheap. */
+    RTNATIVETHREAD hThread = RTThreadNativeSelf();
 
     /** @todo optimize for large number of VCPUs when that becomes more common. */
@@ -68 +68 @@
         PVMCPU pVCpu = &pVM->aCpus[idCpu];
 
-        if (pVCpu->idHostCpu == idHostCpu)
+        if (pVCpu->hNativeThread == hThread)
             return pVCpu->idCpu;
     }
@@ -99 +99 @@
         return &pVM->aCpus[0];
 
-    /* RTMpCpuId had better be cheap. */
-    RTCPUID idHostCpu = RTMpCpuId();
+    /* RTThreadGetNativeSelf had better be cheap. */
+    RTNATIVETHREAD hThread = RTThreadNativeSelf();
 
     /** @todo optimize for large number of VCPUs when that becomes more common. */
@@ -107 +107 @@
         PVMCPU pVCpu = &pVM->aCpus[idCpu];
 
-        if (pVCpu->idHostCpu == idHostCpu)
+        if (pVCpu->hNativeThread == hThread)
             return pVCpu;
     }