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Re: [Qemu-devel] [PATCH RFC] virtio-pci: add MMIO property
From: |
Avi Kivity |
Subject: |
Re: [Qemu-devel] [PATCH RFC] virtio-pci: add MMIO property |
Date: |
Tue, 20 Mar 2012 16:49:54 +0200 |
User-agent: |
Mozilla/5.0 (X11; Linux x86_64; rv:10.0.1) Gecko/20120216 Thunderbird/10.0.1 |
On 03/19/2012 08:57 PM, Michael S. Tsirkin wrote:
> >
> > Should be done via an extra BAR (with the same layout, perhaps extended)
> > so compatibility is preserved.
>
> No, that would need guest changes to be of use. The point of this hack
> is to make things work for Linux guests where PIO does not work.
It only works if all guest's PCI layer knows to deal with the bit flip
correctly. I imagine it isn't true for at least the seabios virtio drivers.
--
error compiling committee.c: too many arguments to function
- [Qemu-devel] [PATCH RFC] virtio-pci: add MMIO property, Michael S. Tsirkin, 2012/03/19
- Re: [Qemu-devel] [PATCH RFC] virtio-pci: add MMIO property, Avi Kivity, 2012/03/19
- Re: [Qemu-devel] [PATCH RFC] virtio-pci: add MMIO property, Anthony Liguori, 2012/03/19
- Re: [Qemu-devel] [PATCH RFC] virtio-pci: add MMIO property, Michael S. Tsirkin, 2012/03/19
- Re: [Qemu-devel] [PATCH RFC] virtio-pci: add MMIO property, Anthony Liguori, 2012/03/19
- Re: [Qemu-devel] [PATCH RFC] virtio-pci: add MMIO property, Michael S. Tsirkin, 2012/03/19
- Re: [Qemu-devel] [PATCH RFC] virtio-pci: add MMIO property, Michael S. Tsirkin, 2012/03/19
- Re: [Qemu-devel] [PATCH RFC] virtio-pci: add MMIO property, Anthony Liguori, 2012/03/19
- Re: [Qemu-devel] [PATCH RFC] virtio-pci: add MMIO property, Rusty Russell, 2012/03/19
- Re: [Qemu-devel] [PATCH RFC] virtio-pci: add MMIO property, Anthony Liguori, 2012/03/19