[Xen-devel] [PATCH] xen/arm: Don't start a QEMU for backend

[Julien Grall <julien.grall@xxxxxxxxxx>]

/usr/lib/xen/bin/qemu-system-i386 doesn't exist on ARM. We need to check
if the file exists/is executable and starts it.

Signed-off-by: Julien Grall <julien.grall@xxxxxxxxxx>
---
 tools/hotplug/Linux/init.d/xencommons |   11 +++++++----
 1 file changed, 7 insertions(+), 4 deletions(-)

diff --git a/tools/hotplug/Linux/init.d/xencommons 
b/tools/hotplug/Linux/init.d/xencommons
index a2e633b..bd15bd4 100644
--- a/tools/hotplug/Linux/init.d/xencommons
+++ b/tools/hotplug/Linux/init.d/xencommons
@@ -115,11 +115,14 @@ do_start () {
        echo Starting xenconsoled...
        test -z "$XENCONSOLED_TRACE" || XENCONSOLED_ARGS=" 
--log=$XENCONSOLED_TRACE"
        ${SBINDIR}/xenconsoled --pid-file=$XENCONSOLED_PIDFILE $XENCONSOLED_ARGS
-       echo Starting QEMU as disk backend for dom0
        test -z "$QEMU_XEN" && QEMU_XEN="${LIBEXEC}/qemu-system-i386"
-       $QEMU_XEN -xen-domid 0 -xen-attach -name dom0 -nographic -M xenpv 
-daemonize \
-               -monitor /dev/null -serial /dev/null -parallel /dev/null \
-               -pidfile $QEMU_PIDFILE
+       if [ -x "$QEMU_XEN" ]; then
+               echo Starting QEMU as disk backend for dom0
+               $QEMU_XEN -xen-domid 0 -xen-attach -name dom0 -nographic \
+                       -M xenpv -daemonize -monitor /dev/null           \
+                       -serial /dev/null -parallel /dev/null            \
+                       -pidfile $QEMU_PIDFILE
+       fi
 }
 do_stop () {
         echo Stopping xenconsoled
-- 
1.7.10.4


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