[Xen-devel] [RFC PATCH 5/6] libxl: add guest writable xenstore area for feature advertisement

[Paul Durrant <paul.durrant@xxxxxxxxxx>]

docs/misc/xenstore-paths documents a paths under a top-level ~/features
area that a guest can use to advertise the ability to react to vif
or vbd hotplug.

This patch creates the guest writable ~/features area.

Signed-off-by: Paul Durrant <paul.durrant@xxxxxxxxxx>
Cc: Ian Jackson <ian.jackson@xxxxxxxxxxxxx>
Cc: Stefano Stabellini <stefano.stabellini@xxxxxxxxxxxxx>
Cc: Ian Campbell <ian.campbell@xxxxxxxxxx>
Cc: Wei Liu <wei.liu2@xxxxxxxxxx>
---
 tools/libxl/libxl_create.c | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/tools/libxl/libxl_create.c b/tools/libxl/libxl_create.c
index 389427f..97ff215 100644
--- a/tools/libxl/libxl_create.c
+++ b/tools/libxl/libxl_create.c
@@ -651,6 +651,9 @@ retry_transaction:
     libxl__xs_mkdir(gc, t,
                     libxl__sprintf(gc, "%s/drivers", dom_path),
                     rwperm, ARRAY_SIZE(rwperm));
+    libxl__xs_mkdir(gc, t,
+                    libxl__sprintf(gc, "%s/feature", dom_path),
+                    rwperm, ARRAY_SIZE(rwperm));
 
     if (libxl_defbool_val(info->driver_domain)) {
         /*
-- 
2.1.4


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