Re: [PATCH 1/2] spapr: Disable legacy virtio devices for pseries-5.0 and later

2020-02-09 Thread David Gibson
On Fri, Feb 07, 2020 at 01:54:26AM -0500, Michael S. Tsirkin wrote: > On Fri, Feb 07, 2020 at 03:30:54PM +1100, David Gibson wrote: > > PAPR specifies a kind of odd, paravirtualized PCI bus, which looks to > > the guess mostly like classic PCI, even if some of the individual > > devices on the bus

Re: [PATCH 1/2] spapr: Disable legacy virtio devices for pseries-5.0 and later

2020-02-06 Thread Michael S. Tsirkin
On Fri, Feb 07, 2020 at 03:30:54PM +1100, David Gibson wrote: > PAPR specifies a kind of odd, paravirtualized PCI bus, which looks to > the guess mostly like classic PCI, even if some of the individual > devices on the bus are PCI Express. One consequence of that is that > virtio-pci devices still

[PATCH 1/2] spapr: Disable legacy virtio devices for pseries-5.0 and later

2020-02-06 Thread David Gibson
PAPR specifies a kind of odd, paravirtualized PCI bus, which looks to the guess mostly like classic PCI, even if some of the individual devices on the bus are PCI Express. One consequence of that is that virtio-pci devices still default to being in transitional mode, though legacy mode is now disa