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qemu: process: Pin on per-vcpu basis instead of per-vcpupin element

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Pin existing vcpus rather than existing vcpu pinning infos. This
increases the complexity of the lookup, but avoids pinning cpus that are
not enabled actually.
This commit is contained in:
Peter Krempa 2014-08-15 16:41:47 +02:00
parent 60df621f75
commit 482f4e596f
1 changed files with 10 additions and 5 deletions
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15
src/qemu/qemu_process.c
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@ -2230,7 +2230,8 @@ qemuProcessSetVcpuAffinities(virDomainObjPtr vm)
{
qemuDomainObjPrivatePtr priv = vm->privateData;
virDomainDefPtr def = vm->def;
int vcpu, n;
virDomainVcpuPinDefPtr pininfo;
int n;
int ret = -1;
if (!def->cputune.nvcpupin)
@ -2242,11 +2243,15 @@ qemuProcessSetVcpuAffinities(virDomainObjPtr vm)
return -1;
}
for (n = 0; n < def->cputune.nvcpupin; n++) {
vcpu = def->cputune.vcpupin[n]->vcpuid;
for (n = 0; n < def->vcpus; n++) {
/* set affinity only for existing vcpus */
if (!(pininfo = virDomainVcpuPinFindByVcpu(def->cputune.vcpupin,
def->cputune.nvcpupin,
n)))
continue;
if (virProcessSetAffinity(priv->vcpupids[vcpu],
def->cputune.vcpupin[n]->cpumask) < 0) {
if (virProcessSetAffinity(priv->vcpupids[n],
pininfo->cpumask) < 0) {
goto cleanup;
}
}