On Tue, Oct 13, 2015 at 11:47:08 -0400, John Ferlan wrote: > https://bugzilla.redhat.com/show_bug.cgi?id=1249981 > > When trying to pin the thread to the live process in qemuDomainPinIOThread, > there was no check whether the binary supported IOThreads, thus thread_id = 0 > (eg current) would be erroneously used. > > Follow qemuDomainChgIOThread and only check for the bit if changing > the live definition vs. changing the persistent definition. > > Signed-off-by: John Ferlan <jferlan@xxxxxxxxxx> > --- > src/qemu/qemu_driver.c | 6 ++++++ > 1 file changed, 6 insertions(+) > > diff --git a/src/qemu/qemu_driver.c b/src/qemu/qemu_driver.c > index 8cd5ee3..7308c3b 100644 > --- a/src/qemu/qemu_driver.c > +++ b/src/qemu/qemu_driver.c > @@ -5813,6 +5813,12 @@ qemuDomainPinIOThread(virDomainPtr dom, > virDomainIOThreadIDDefPtr iothrid; > virBitmapPtr cpumask; > > + if (!virQEMUCapsGet(priv->qemuCaps, QEMU_CAPS_OBJECT_IOTHREAD)) { > + virReportError(VIR_ERR_CONFIG_UNSUPPORTED, "%s", > + _("IOThreads not supported with this binary")); > + goto endjob; > + } > + > if (!(iothrid = virDomainIOThreadIDFind(def, iothread_id))) { > virReportError(VIR_ERR_INVALID_ARG, > _("iothread %d not found"), iothread_id); Here this function should return that the iothread could not be found as such VM shouldn't allow any iothreads if we don't support them. Peter
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