Re: [PATCH 20/39] virtio-pci: convert to memory API

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On 08/01/2011 10:53 PM, Michael S. Tsirkin wrote:
>
>
>  Just because a memory region becomes visible to the cpu is no reason
>  to have a callback.  From the device perspective, it can't tell that
>  it happened.

BTW this is what qxl does, too, conceptually: on config writes, it peeks
at the bar to detect whether that got unmapped.

Can you elaborate?  why?  what does it do?

--
error compiling committee.c: too many arguments to function

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