libxc/migration: Abort migration on precopy policy request

libxc defines XGS_POLICY_ABORT for precopy policy to signal that migration should be aborted (eg. if the estimated pause time is too huge for the instance). Default simple precopy policy never returns that, but it could be overriden with a custom one. Signed-off-by: Andrew Panyakin <[email protected]> Acked-by: Wei Liu <[email protected]> [wei: fix coding style issue]
nephele-vm · Apr 9, 2020 · 69f7413 · 69f7413
1 parent 9be0b27
commit 69f7413
Showing 1 changed file with 7 additions and 0 deletions.
diff --git a/tools/libxc/xc_sr_save.c b/tools/libxc/xc_sr_save.c
@@ -560,6 +560,13 @@ static int send_memory_live(struct xc_sr_context *ctx)
 
     }
 
+    if ( policy_decision == XGS_POLICY_ABORT )
+    {
+        PERROR("Abort precopy loop");
+        rc = -1;
+        goto out;
+    }
+
  out:
     xc_set_progress_prefix(xch, NULL);
     free(progress_str);