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qemu: Forbid pinning vCPUs for TCG domain

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We don't support cpu pinning for TCG domains because QEMU runs them in
one thread only.  But vcpupin command was able to set them, which
resulted in a failed startup, so make sure that doesn't happen.

Signed-off-by: Chen Hanxiao <chenhanxiao@gmail.com>
This commit is contained in:
Chen Hanxiao 2016-10-22 17:49:38 +08:00 committed by Martin Kletzander
parent dc67d00cd2
commit 8b035c84d8
1 changed files with 7 additions and 0 deletions
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7
src/qemu/qemu_driver.c
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@ -5189,6 +5189,13 @@ qemuDomainPinVcpuFlags(virDomainPtr dom,
if (virDomainObjGetDefs(vm, flags, &def, &persistentDef) < 0) if (virDomainObjGetDefs(vm, flags, &def, &persistentDef) < 0)
goto endjob; goto endjob;
if ((def && def->virtType == VIR_DOMAIN_VIRT_QEMU) ||
(persistentDef && persistentDef->virtType == VIR_DOMAIN_VIRT_QEMU)) {
virReportError(VIR_ERR_OPERATION_FAILED, "%s",
_("Virt type 'qemu' does not support vCPU pinning"));
goto endjob;
}
if (persistentDef && if (persistentDef &&
!(vcpuinfo = virDomainDefGetVcpu(persistentDef, vcpu))) { !(vcpuinfo = virDomainDefGetVcpu(persistentDef, vcpu))) {
virReportError(VIR_ERR_INVALID_ARG, virReportError(VIR_ERR_INVALID_ARG,