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Re: [Qemu-devel] [RFC 0/4] virtio-mmio transport

From: Pawel Moll
Subject: Re: [Qemu-devel] [RFC 0/4] virtio-mmio transport
Date: Mon, 12 Dec 2011 14:51:31 +0000

On Mon, 2011-12-12 at 14:45 +0000, Paul Brook wrote:
> I suggest that the device to buffer writes to the high part, and construct 
> the 
> actual 64-bit value when the low part is written.  That allows 32-bit guests 
> can ignore the high part entirely.

This sounds good to me. If we define the reset value of both registers
as 0 (which is consistent with "0 = stop" condition) a 32-bit guest will
be able to behave as you are suggesting.

Cool, I will keep this in mind.



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