Re: [Qemu-devel] [PATCH 09/10] Sort destination RAMBlocks to be the same as the source

[Michael R. Hines]

On 04/20/2015 10:57 AM, Dr. David Alan Gilbert (git) wrote:
> From: "Dr. David Alan Gilbert" <address@hidden>
>
> Use the order of incoming RAMBlocks from the source to record
> an index number; that then allows us to sort the destination
> local RAMBlock list to match the source.
>
> Now that the RAMBlocks are known to be in the same order, this
> simplifies the RDMA Registration step which previously tried to
> match RAMBlocks based on offset (which isn't guaranteed to match).

OK, so, what's the reason for sorting?

If the offset is not gauranteed to match (based on a new patch
that I assume you have coming), then we need to index into
the hashtable based on something that does match, such
as the name you added or some other key.