On Tue, 13 Aug 2019 at 17:44, Cédric Le Goater <c...@kaod.org> wrote: > > If an IRQ is allocated and not configured, such as a MSI requested by > a PCI driver, it can be saved in its default state and possibly later > on restored using the same state. If not initially MASKED, KVM will > try to find a matching priority/target tuple for the interrupt and > fail to restore the VM because 0/0 is not a valid target. > > When allocating a IRQ number, the EAS should be set to a sane default : > VALID and MASKED. > > Reported-by: Satheesh Rajendran <sathn...@linux.vnet.ibm.com> > Signed-off-by: Cédric Le Goater <c...@kaod.org> > --- > > David, this fixes a "virsh save/restore" issue in certain configurations > of CPU topology which never showed up before :/ > > Peter, I was busy on a KVM/passthru issue and lacked the time to > investigate all ... you decide.
rc5 has been tagged so this is definitely too late for 4.1. thanks -- PMM