Re: [PATCH v2 1/2] spapr: Disable legacy virtio devices for pseries-5.0 and later

2020-02-13 Thread David Gibson
On Thu, Feb 13, 2020 at 03:34:25PM +0100, Greg Kurz wrote: > On Thu, 13 Feb 2020 11:58:36 +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 Ex

Re: [PATCH v2 1/2] spapr: Disable legacy virtio devices for pseries-5.0 and later

2020-02-13 Thread Greg Kurz
On Thu, 13 Feb 2020 11:58:36 +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 defa

[PATCH v2 1/2] spapr: Disable legacy virtio devices for pseries-5.0 and later

2020-02-12 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