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Subject: Re: [virtio-comment] virtio and endian-ness
On Tue, 2013-08-20 at 16:08 +0100, Michael S. Tsirkin wrote: > Confused. > You want to support old and new devices in the same > driver, don't you? Isn't that making it more complicated? It will make the driver more complicated, yes (slightly, as the *MMIO* changes are not going to be too extensive). But to my knowledge only one virtio_mmio driver has been ever implemented (the Linux one), where I can do the right thing quite easily and this is a common pattern for the kernel drivers (a single one can driver a family of almost, but not quite, identical devices). I just don't want to make life harder for the guys implementing the device component (I'll say this again: virtio_mmio interface was conceived to be as simple as possible :-) in qemu, kvm tools, proprietary modelling environments, <pick your choice here>. Paweł
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