[Xen-devel] [PATCH 20 of 20] libxl: only write "disable_pf" key to xenstore when it makes sense

[Ian Campbell <ian.campbell@xxxxxxxxxx>]

# HG changeset patch
# User Ian Campbell <ian.campbell@xxxxxxxxxx>
# Date 1327336698 0
# Node ID 5f20c5ddd4e42242bfb32b85652c5957c40ba320
# Parent  62bffbc5495b3e897d6fbb654453f2335556e06e
libxl: only write "disable_pf" key to xenstore when it makes sense

This key is only used by the traditional qemu-dm when servicing an HVM domain.

Signed-off-by: Ian Campbell <ian.campbell@xxxxxxxxxx>
Acked-by: Ian Jackson <ian.jackson@xxxxxxxxxxxxx>

diff -r 62bffbc5495b -r 5f20c5ddd4e4 tools/libxl/libxl_dm.c
--- a/tools/libxl/libxl_dm.c    Mon Jan 23 16:38:18 2012 +0000
+++ b/tools/libxl/libxl_dm.c    Mon Jan 23 16:38:18 2012 +0000
@@ -929,8 +929,12 @@ int libxl__create_device_model(libxl__gc
 
     path = libxl__sprintf(gc, "/local/domain/0/device-model/%d", domid);
     xs_mkdir(ctx->xsh, XBT_NULL, path);
-    libxl__xs_write(gc, XBT_NULL, libxl__sprintf(gc, "%s/disable_pf", path),
-                    "%d", !b_info->u.hvm.xen_platform_pci);
+
+    if (b_info->type == LIBXL_DOMAIN_TYPE_HVM &&
+        b_info->device_model_version
+        == LIBXL_DEVICE_MODEL_VERSION_QEMU_XEN_TRADITIONAL)
+        libxl__xs_write(gc, XBT_NULL, libxl__sprintf(gc, "%s/disable_pf", 
path),
+                        "%d", !b_info->u.hvm.xen_platform_pci);
 
     libxl_create_logfile(ctx,
                          libxl__sprintf(gc, "qemu-dm-%s", c_info->name),

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