[Xen-devel] [PATCH] libxl: correct xl cpupool-numa-split with vcpu limited dom0

[Juergen Gross <jgross@xxxxxxxx>]

When trying to use xl cpupool-numa-split and dom0 is limited to less
vcpus than one numa node the operation will fail.

Correct this by allowing this configuration.

Reported-by: Glenn Enright <glenn@xxxxxxxxxxxxxxx>
Signed-off-by: Juergen Gross <jgross@xxxxxxxx>
---
 tools/libxl/xl_cmdimpl.c | 8 ++++++--
 1 file changed, 6 insertions(+), 2 deletions(-)

diff --git a/tools/libxl/xl_cmdimpl.c b/tools/libxl/xl_cmdimpl.c
index 8696ca7..d912c39 100644
--- a/tools/libxl/xl_cmdimpl.c
+++ b/tools/libxl/xl_cmdimpl.c
@@ -8537,7 +8537,11 @@ int main_cpupoolnumasplit(int argc, char **argv)
             n++;
         }
     }
-    if (libxl_set_vcpuonline(ctx, 0, &cpumap)) {
+    if (libxl_domain_info(ctx, &info, 0)) {
+        fprintf(stderr, "error on getting info for Domain-0\n");
+        goto out;
+    }
+    if (info.vcpu_online > n && libxl_set_vcpuonline(ctx, 0, &cpumap)) {
         fprintf(stderr, "error on removing vcpus for Domain-0\n");
         goto out;
     }
@@ -8552,7 +8556,7 @@ int main_cpupoolnumasplit(int argc, char **argv)
             fprintf(stderr, "error on getting info for Domain-0\n");
             goto out;
         }
-        if (info.vcpu_online == n) {
+        if (info.vcpu_online <= n) {
             break;
         }
         sleep(1);
-- 
2.6.6


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