From b5b49f3e1343b6df646eaa9d4afb22b73c6d24e5 Mon Sep 17 00:00:00 2001
From: Zhang Qiang <qiang.z.zhang@intel.com>
Date: Thu, 27 Feb 2014 10:57:44 +0800
Subject: [PATCH] clean up old registered binfmt handlers before use it

Change-Id: Ic3892e13ab28a1c83e885e0e087ab6675a4a3b71
---
 init_buildsystem | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/init_buildsystem b/init_buildsystem
index e72613a..58ec929 100755
--- a/init_buildsystem
+++ b/init_buildsystem
@@ -688,6 +688,10 @@ else
     #
     if check_use_emulator; then
 	    [ -n "$USE_SYSTEM_QEMU" ] && copy_qemu
+
+	    echo "clean up registered binfmt handlers"
+            sudo sh -c "echo -1 >/proc/sys/fs/binfmt_misc/status"
+
 	    echo "registering binfmt handlers for VM"
 
 	    if [ -x "$BUILD_DIR/initvm.$BUILD_HOST_ARCH" -a -e "$BUILD_DIR/qemu-reg" ]; then
-- 
2.7.4