Changeset 31359 in vbox for trunk/src/VBox/VMM/VMMAll

Timestamp:

Aug 4, 2010 3:31:04 PM (15 years ago)

Author:

vboxsync

Message:

Keep track of the native R0 thread handle for each EMT too. Use that to find the right VCPU

File:

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

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

@@ -61 +61 @@
         return 0;
 
-    /* Search first by host cpu id (most common case)
-     * and then by native thread id (page fusion case).
-     */
-    /* RTMpCpuId had better be cheap. */ 
-    RTCPUID idHostCpu = RTMpCpuId(); 
-
-    /** @todo optimize for large number of VCPUs when that becomes more common. */
-    for (VMCPUID idCpu = 0; idCpu < pVM->cCpus; idCpu++)
-    {
-        PVMCPU pVCpu = &pVM->aCpus[idCpu];
-
-        if (pVCpu->idHostCpu == idHostCpu)
-            return pVCpu->idCpu;
-    }
-
     /* RTThreadGetNativeSelf had better be cheap. */
     RTNATIVETHREAD hThread = RTThreadNativeSelf();
@@ -84 +69 @@
         PVMCPU pVCpu = &pVM->aCpus[idCpu];
 
-        if (pVCpu->hNativeThread == hThread)
+        if (pVCpu->hNativeThreadR0 == hThread)
             return pVCpu->idCpu;
     }
@@ -115 +100 @@
         return &pVM->aCpus[0];
 
-    /* Search first by host cpu id (most common case)
-     * and then by native thread id (page fusion case).
-     */
-
-    /* RTMpCpuId had better be cheap. */ 
-    RTCPUID idHostCpu = RTMpCpuId(); 
-
-    /** @todo optimize for large number of VCPUs when that becomes more common. */
-    for (VMCPUID idCpu = 0; idCpu < pVM->cCpus; idCpu++)
-    {
-        PVMCPU pVCpu = &pVM->aCpus[idCpu];
-
-        if (pVCpu->idHostCpu == idHostCpu)
-            return pVCpu;
-    }
-
     /* RTThreadGetNativeSelf had better be cheap. */
     RTNATIVETHREAD hThread = RTThreadNativeSelf();
@@ -139 +108 @@
         PVMCPU pVCpu = &pVM->aCpus[idCpu];
 
-        if (pVCpu->hNativeThread == hThread)
+        if (pVCpu->hNativeThreadR0 == hThread)
             return pVCpu;
     }