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[Xen-devel] [PATCH v3 2/5] libxl: remove device model path in libxl__device_model_destroy



... and not devices_destroy_cb because it is the right place to clean up
device model stuff.

And the path should use LIBXL_TOOLSTACK_DOMID instead of hardcoded 0.

Signed-off-by: Wei Liu <wei.liu2@xxxxxxxxxx>
Acked-by: Ian Campbell <ian.campbell@xxxxxxxxxx>
---
Changes in v2:
1. Use helper function to generate xenstore path.
---
 tools/libxl/libxl.c    | 2 --
 tools/libxl/libxl_dm.c | 5 +++++
 2 files changed, 5 insertions(+), 2 deletions(-)

diff --git a/tools/libxl/libxl.c b/tools/libxl/libxl.c
index 94b4d59..75f1457 100644
--- a/tools/libxl/libxl.c
+++ b/tools/libxl/libxl.c
@@ -1659,8 +1659,6 @@ static void devices_destroy_cb(libxl__egc *egc,
 
     xs_rm(ctx->xsh, XBT_NULL, libxl__xs_libxl_path(gc, domid));
     xs_rm(ctx->xsh, XBT_NULL, libxl__sprintf(gc,
-                                "/local/domain/0/device-model/%d", domid));
-    xs_rm(ctx->xsh, XBT_NULL, libxl__sprintf(gc,
                                 "/local/domain/%d/hvmloader", domid));
 
     /* This is async operation, we already hold CTX lock */
diff --git a/tools/libxl/libxl_dm.c b/tools/libxl/libxl_dm.c
index a8b08f2..6d34cb9 100644
--- a/tools/libxl/libxl_dm.c
+++ b/tools/libxl/libxl_dm.c
@@ -1642,6 +1642,11 @@ out:
 
 int libxl__destroy_device_model(libxl__gc *gc, uint32_t domid)
 {
+    char *path = libxl__device_model_xs_path(gc, LIBXL_TOOLSTACK_DOMID,
+                                             domid, "");
+    if (!xs_rm(CTX->xsh, XBT_NULL, path))
+        LOG(ERROR, "xs_rm failed for %s", path);
+    /* We should try to destroy the device model anyway. */
     return kill_device_model(gc,
                 GCSPRINTF("/local/domain/%d/image/device-model-pid", domid));
 }
-- 
1.9.1


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