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RE: [Xen-devel] string mmio/pio across page boundaries



>>> "Li, Xin B" <xin.b.li@xxxxxxxxx> 23.11.06 12:36 >>>
>>
>>When preparing arguments for send_mmio_req() or send_pio_req() in hvm
>>where a single iteration crosses a page boundary, the value to 
>>be written is copied from guest memory, but I can't see where the value
>>read is copied to guest memory. Is this case simply missing?
>>
>
>in send_mmio_req or send_pio_req, there is no request crossing a page
>boundary, since it's already converted.

I didn't say in these two functions, I said when preparing the arguments
for them. Would you look at this again, please? Similarly for the updating
of ecx that I asked about in a subsequent mail.

>Are you using an old source tree, I don't see such code, and we have
>sent a patch to clean that code before xen 3.0.3.
>I think the logic is correct now.

It isn't - I'm working on a 3.0.3 based tree right now. But yes, I see
that -unstable has this fixed. I should have checked...

Jan

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