On Sat, Sep 27, 2008 at 01:24:31PM +0300, Avi Kivity wrote:

>> I strongly disagree. You are advocating something that is
>> potentially unsafe---for the sake of code simplicity?! I am
>> advocating caution in what we let an *untrusted* guest do.
>
> Why would it be unsafe?

Because on at least one machine letting a device DMA to the same
address as another device's MMIO region caused the machine to reboot.

Cheers,
Muli
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