[libvirt] [PATCH 10/34] qemu: Don't use priv->ncpus to iterate cgroup setting

Peter Krempa pkrempa at redhat.com
Thu Jan 14 16:26:58 UTC 2016


Iterate over all cpus skipping inactive ones.
---
 src/qemu/qemu_driver.c | 15 ++++++++++++---
 1 file changed, 12 insertions(+), 3 deletions(-)

diff --git a/src/qemu/qemu_driver.c b/src/qemu/qemu_driver.c
index 2300c7e..3102fc2 100644
--- a/src/qemu/qemu_driver.c
+++ b/src/qemu/qemu_driver.c
@@ -10005,7 +10005,12 @@ qemuDomainSetNumaParamsLive(virDomainObjPtr vm,
         goto cleanup;
     virCgroupFree(&cgroup_temp);

-    for (i = 0; i < priv->nvcpupids; i++) {
+    for (i = 0; i < virDomainDefGetVcpusMax(vm->def); i++) {
+        virDomainVcpuInfoPtr vcpu = virDomainDefGetVcpu(vm->def, i);
+
+        if (!vcpu->online)
+            continue;
+
         if (virCgroupNewThread(priv->cgroup, VIR_CGROUP_THREAD_VCPU, i,
                                false, &cgroup_temp) < 0 ||
             virCgroupSetCpusetMems(cgroup_temp, nodeset_str) < 0)
@@ -10238,7 +10243,6 @@ qemuSetVcpusBWLive(virDomainObjPtr vm, virCgroupPtr cgroup,
                    unsigned long long period, long long quota)
 {
     size_t i;
-    qemuDomainObjPrivatePtr priv = vm->privateData;
     virCgroupPtr cgroup_vcpu = NULL;

     if (period == 0 && quota == 0)
@@ -10247,7 +10251,12 @@ qemuSetVcpusBWLive(virDomainObjPtr vm, virCgroupPtr cgroup,
     if (!qemuDomainHasVcpuPids(vm))
         return 0;

-    for (i = 0; i < priv->nvcpupids; i++) {
+    for (i = 0; i < virDomainDefGetVcpusMax(vm->def); i++) {
+        virDomainVcpuInfoPtr vcpu = virDomainDefGetVcpu(vm->def, i);
+
+        if (!vcpu->online)
+            continue;
+
         if (virCgroupNewThread(cgroup, VIR_CGROUP_THREAD_VCPU, i,
                                false, &cgroup_vcpu) < 0)
             goto cleanup;
-- 
2.6.2




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