[PATCH 6/6] qemu: fix set vcpus on host without NUMA

[Pavel Hrdina <phrdina@xxxxxxxxxx>]

We don't have to modify cpuset.mems on hosts without NUMA.  It also
fixes an error message that you get instead of success if you trying
update vcpus of a guest on a host without NUMA.

Signed-off-by: Pavel Hrdina <phrdina@xxxxxxxxxx>
---
 src/qemu/qemu_driver.c | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/src/qemu/qemu_driver.c b/src/qemu/qemu_driver.c
index c4d96bd..eb86d68 100644
--- a/src/qemu/qemu_driver.c
+++ b/src/qemu/qemu_driver.c
@@ -4889,7 +4889,8 @@ qemuDomainSetVcpusFlags(virDomainPtr dom, unsigned int nvcpus,
         }
     }
 
-    if (flags & VIR_DOMAIN_AFFECT_LIVE && !(flags & VIR_DOMAIN_VCPU_GUEST)) {
+    if (flags & VIR_DOMAIN_AFFECT_LIVE && !(flags & VIR_DOMAIN_VCPU_GUEST) &&
+        virNumaIsAvailable()) {
         if (virCgroupNewEmulator(priv->cgroup, false, &cgroup_temp) < 0)
             goto endjob;
 
-- 
2.0.5

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