[Xen-devel] [PATCH v2] -xen-attach is needed for pvh boot with qemu-xen

[Michael Young <m.a.young@xxxxxxxxxxxx>]

Currently the boot of a pvh guest using the qemu-xen device model fails
with the error
xen emulation not implemented (yet)
in the qemu-dm log file. This patch adds the missing -xen-attach
argument.

V2: Use  b_info->type != LIBXL_DOMAIN_TYPE_HVM    instead of
        (b_info->type == LIBXL_DOMAIN_TYPE_PV) ||
        (b_info->type == LIBXL_DOMAIN_TYPE_PVH)
as recommended by Roger Pau Monné.

Signed-off-by: Michael Young <m.a.young@xxxxxxxxxxxx>
Reviewed-by: Roger Pau Monné <roger.pau@xxxxxxxxxx>

---
 tools/libxl/libxl_dm.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/tools/libxl/libxl_dm.c b/tools/libxl/libxl_dm.c
index a2ea95a9be..a3cddce8b7 100644
--- a/tools/libxl/libxl_dm.c
+++ b/tools/libxl/libxl_dm.c
@@ -1021,7 +1021,7 @@ static int libxl__build_device_model_args_new(libxl__gc 
*gc,
      */
     flexarray_append(dm_args, "-no-user-config");

-    if (b_info->type == LIBXL_DOMAIN_TYPE_PV) {
+    if (b_info->type != LIBXL_DOMAIN_TYPE_HVM) {
         flexarray_append(dm_args, "-xen-attach");
     }

--
2.14.3

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