[PATCH] qemu: clear vcpupin when unhotplug vcpu

[Xu Yandong <xuyandong2@xxxxxxxxxx>]

step1: hotplug vcpus
step2: pin vcpus
step3: unhotplug vcpus
As a result, vcpu pin info still show up in xml.
So we need clear it.

Signed-off-by: Xu Yandong <xuyandong2@xxxxxxxxxx>
---
 src/qemu/qemu_hotplug.c | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/src/qemu/qemu_hotplug.c b/src/qemu/qemu_hotplug.c
index 62e505b779..df94b54d09 100644
--- a/src/qemu/qemu_hotplug.c
+++ b/src/qemu/qemu_hotplug.c
@@ -6105,6 +6105,9 @@ qemuDomainHotplugDelVcpu(virQEMUDriverPtr driver,
 
     qemuDomainVcpuPersistOrder(vm->def);
 
+    virBitmapFree(vcpuinfo->cpumask);
+    vcpuinfo->cpumask = NULL;
+
     if (virDomainSaveStatus(driver->xmlopt, cfg->stateDir, vm, driver->caps) < 0)
         goto cleanup;
 
@@ -6390,6 +6393,8 @@ qemuDomainSetVcpusConfig(virDomainDefPtr def,
 
             vcpu->online = false;
             vcpu->hotpluggable = VIR_TRISTATE_BOOL_YES;
+            virBitmapFree(vcpu->cpumask);
+            vcpu->cpumask = NULL;
 
             if (--curvcpus == nvcpus)
                 break;
-- 
2.18.1

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