[Xen-devel] [PATCH V4] tools/libxl: Add iothread support for COLO

[Zhang Chen <chen.zhang@xxxxxxxxx >]

From: Zhang Chen <chen.zhang@xxxxxxxxx>

Xen COLO and KVM COLO shared lots of code in Qemu.
The colo-compare object in Qemu now requires an 'iothread' property since QEMU 
2.11.

Detail:
https://wiki.qemu.org/Features/COLO

Signed-off-by: Zhang Chen <chen.zhang@xxxxxxxxx>
Reviewed-by: Anthony PERARD <anthony.perard@xxxxxxxxxx>
---
 tools/libxl/libxl_dm.c | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/tools/libxl/libxl_dm.c b/tools/libxl/libxl_dm.c
index f4fc96415d..839c5ac2cd 100644
--- a/tools/libxl/libxl_dm.c
+++ b/tools/libxl/libxl_dm.c
@@ -1634,8 +1634,10 @@ static int libxl__build_device_model_args_new(libxl__gc 
*gc,
                         nics[i].colo_compare_out &&
                         nics[i].colo_compare_notify_dev) {
                         flexarray_append(dm_args, "-object");
+                        flexarray_append(dm_args, 
"iothread,id=colo-compare-iothread-1");
+                        flexarray_append(dm_args, "-object");
                         flexarray_append(dm_args,
-                           
GCSPRINTF("colo-compare,id=c1,primary_in=%s,secondary_in=%s,outdev=%s,notify_dev=%s",
+                           
GCSPRINTF("colo-compare,id=c1,primary_in=%s,secondary_in=%s,outdev=%s,notify_dev=%s,iothread=colo-compare-iothread-1",
                                      nics[i].colo_compare_pri_in,
                                      nics[i].colo_compare_sec_in,
                                      nics[i].colo_compare_out,
-- 
2.17.GIT


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