diff -rup qt-everywhere-commercial-src-4.8.4/src/corelib/thread/qthread_unix.cpp qt-everywhere-commercial-src-4.8.4-patched/src/corelib/thread/qthread_unix.cpp
--- qt-everywhere-commercial-src-4.8.4/src/corelib/thread/qthread_unix.cpp	2012-11-23 11:28:53.000000000 +0100
+++ qt-everywhere-commercial-src-4.8.4-patched/src/corelib/thread/qthread_unix.cpp	2013-01-22 12:35:48.000000000 +0100
@@ -405,6 +405,13 @@ int QThread::idealThreadCount()
     // IRIX
     cores = (int)sysconf(_SC_NPROC_ONLN);
 #elif defined(Q_OS_INTEGRITY)
+#if (__INTEGRITY_MAJOR_VERSION >= 10)
+	// Integrity V10+ does support multicore CPUs
+	Value processorCount;
+	if (GetProcessorCount(CurrentTask(), &processorCount) == 0)
+		cores = processorCount;
+	else
+#endif
     // as of aug 2008 Integrity only supports one single core CPU
     cores = 1;
 #elif defined(Q_OS_VXWORKS)