Fix kvm.modules to exit successfully on non-KVM capable systems

Resolves rhbz #814932.

kvm.modules

@@ -1,10 +1,14 @@
 #!/bin/sh
 
-case "$(</proc/cpuinfo)" in
-    *vmx*) vmx=1 ;;
-    *svm*) svm=1 ;;
-esac
+grep vmx /proc/cpuinfo >/dev/null 2>&1 && vmx=1
+grep svm /proc/cpuinfo >/dev/null 2>&1 && svm=1
 
-[ "$vmx" ] && modprobe -b kvm-intel >/dev/null 2>&1
-[ "$svm" ] && modprobe -b kvm-amd >/dev/null 2>&1
-[ "$vmx" -o "$svm" ] && modprobe -b vhost-net >/dev/null 2>&1
+if [ "$vmx" ] || [ "$svm" ]; then
+  [ "$vmx" ] && modprobe -b kvm-intel >/dev/null 2>&1
+  [ "$svm" ] && modprobe -b kvm-amd >/dev/null 2>&1
+
+  # no reason why vhost should not work with TCG, but currently it does not
+  modprobe -b vhost-net >/dev/null 2>&1
+else
+  exit 0
+fi

qemu.spec

@@ -38,7 +38,7 @@
 Summary: QEMU is a FAST! processor emulator
 Name: qemu
 Version: 1.0
-Release: 15%{?dist}
+Release: 16%{?dist}
 # Epoch because we pushed a qemu-1.0 package
 Epoch: 2
 License: GPLv2+ and LGPLv2+ and BSD
@@ -1009,6 +1009,9 @@ fi
 %{_mandir}/man1/qemu-img.1*
 
 %changelog
+* Mon Apr 23 2012 Paolo Bonzini <pbonzini@redhat.com> - 2:1.0-16
+- Fix kvm.modules to exit successfully on non-KVM capable systems (rhbz #814932)
+
 * Thu Apr 19 2012 Hans de Goede <hdegoede@redhat.com> - 2:1.0-15
 - Add a couple of backported QXL/Spice bugfixes
 - Add spice volume control patches