From: Dario Faggioli <dario.faggioli@citrix.com>
Date: Wed, 30 Apr 2014 15:44:13 +0000 (+0200)
Subject: libxl: bail from placement on non-NUMA boxes
X-Git-Tag: archive/raspbian/4.8.0-1+rpi1~1^2~5071
X-Git-Url: https://dgit.raspbian.org/?a=commitdiff_plain;h=7a7776a916a4d117c72ecf417a623fa20a505b90;p=xen.git

libxl: bail from placement on non-NUMA boxes

If there only is 1 NUMA node, no need to go through placement
candidate selection, etc., we can just bail.

Signed-off-by: Dario Faggioli <dario.faggioli@citrix.com>
Acked-by: Ian Campbell <ian.campbell@citrix.com>
---

diff --git a/tools/libxl/libxl_numa.c b/tools/libxl/libxl_numa.c
index 4fac6641c6..94ca4fec46 100644
--- a/tools/libxl/libxl_numa.c
+++ b/tools/libxl/libxl_numa.c
@@ -308,6 +308,11 @@ int libxl__get_numa_candidate(libxl__gc *gc,
     if (ninfo == NULL)
         return ERROR_FAIL;
 
+    if (nr_nodes <= 1) {
+        *cndt_found = 0;
+        goto out;
+    }
+
     GCNEW_ARRAY(vcpus_on_node, nr_nodes);
 
     /*