[Xen-devel] [PATCH 3/3] libxl: don't write physical-device node for driver domain disks

[Roger Pau Monne <roger.pau@xxxxxxxxxx>]

This will be handled by the driver domain itself, since the toolstack
does not have access to the physical device because it is in a
different domain.

Signed-off-by: Roger Pau Monnà <roger.pau@xxxxxxxxxx>
Cc: Ian Campbell <ian.campbell@xxxxxxxxxx>
Cc: Ian Jackson <ian.jackson@xxxxxxxxxx>
Cc: George Dunlap <george.dunlap@xxxxxxxxxx>
---
 tools/libxl/libxl.c |    3 ++-
 1 files changed, 2 insertions(+), 1 deletions(-)

diff --git a/tools/libxl/libxl.c b/tools/libxl/libxl.c
index 87bda72..bc91fd5 100644
--- a/tools/libxl/libxl.c
+++ b/tools/libxl/libxl.c
@@ -2104,7 +2104,8 @@ static void device_disk_add(libxl__egc *egc, uint32_t 
domid,
                  * responsible for this since the block device may not
                  * exist yet.
                  */
-                if (!disk->script) {
+                if (!disk->script &&
+                    disk->backend_domid == LIBXL_TOOLSTACK_DOMID) {
                     int major, minor;
                     libxl__device_physdisk_major_minor(dev, &major, &minor);
                     flexarray_append_pair(back, "physical-device",
-- 
1.7.7.5 (Apple Git-26)


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