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[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index] Re: [Xen-devel] address mapping between domains
On Tue, 8 Mar 2005, Mark Williamson wrote: > The domain that's controlling the real device (usually dom0) maps the domU's > memory before putting data into it (either directly or using PIO). Surely this could be optimised by (on a 64 bit system) mapping all of physical memory into dom0 kernel virtual memory, so it doesn't need to bother mapping and unmapping pages that IO is being done to ? -- "Debugging is twice as hard as writing the code in the first place. Therefore, if you write the code as cleverly as possible, you are, by definition, not smart enough to debug it." - Brian W. Kernighan ------------------------------------------------------- SF email is sponsored by - The IT Product Guide Read honest & candid reviews on hundreds of IT Products from real users. Discover which products truly live up to the hype. Start reading now. http://ads.osdn.com/?ad_id=6595&alloc_id=14396&op=click _______________________________________________ Xen-devel mailing list Xen-devel@xxxxxxxxxxxxxxxxxxxxx https://lists.sourceforge.net/lists/listinfo/xen-devel
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