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qemu: cpu: unplug: Remove vcpu pinning on cold cpu unplug

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Remove the pinning info when removing to CPU, otherwise when the VM will
be started our code will try to pin non-existing vcpus as the definition
wasn't updated.

Resolves: https://bugzilla.redhat.com/show_bug.cgi?id=1129372
This commit is contained in:
Peter Krempa 2014-08-15 16:28:58 +02:00
parent 64bbf4c33d
commit 60df621f75
1 changed files with 7 additions and 0 deletions
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7
src/qemu/qemu_driver.c
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@ -4277,6 +4277,7 @@ qemuDomainSetVcpusFlags(virDomainPtr dom, unsigned int nvcpus,
qemuAgentCPUInfoPtr cpuinfo = NULL;
int ncpuinfo;
qemuDomainObjPrivatePtr priv;
size_t i;
virCheckFlags(VIR_DOMAIN_AFFECT_LIVE |
VIR_DOMAIN_AFFECT_CONFIG |
@ -4386,6 +4387,12 @@ qemuDomainSetVcpusFlags(virDomainPtr dom, unsigned int nvcpus,
}
if (flags & VIR_DOMAIN_AFFECT_CONFIG) {
/* remove vcpupin entries for vcpus that were unplugged */
if (nvcpus < persistentDef->vcpus) {
for (i = persistentDef->vcpus; i >= nvcpus; i--)
virDomainVcpuPinDel(persistentDef, i);
}
if (maximum) {
persistentDef->maxvcpus = nvcpus;
if (nvcpus < persistentDef->vcpus)