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[Xen-devel] [PATCH v5 0/9] xen: arm: support up to (almost) 1TB of guest RAM

This series rejigs the guest physical address space to allow for up to
1019GB of RAM, with up to 3GB below the 4GB boundary.

The second patch here (an error check) should be backported to 4.4 but
the rest are not suitable IMHO since they change the guest layout.
Although we reserve the right to do so I think we should avoid such
changes in stable branches.

Not too much changed since v4, a bit of coding style cleanup and
reduction of the repetition of the lists of GUEST_RAM?_{SIZE,BASE}.

A few of the patches were reworked in v4 so some acks were dropped. The
current state is:

AT  tools: libxl: use uint64_t not unsigned long long for addresses
AT  tools: arm: report an error if the guest RAM is too large
AT  tools: arm: move magic pfns out of guest RAM region
AT  tools: arm: rearrange guest physical address space to increase max RAM
A   tools: arm: refactor code to setup guest p2m and fill it with RAM
  * tools: arm: prepare domain builder for multiple banks of guest RAM
    tools: arm: prepare guest FDT building for multiple RAM banks
  * tools: arm: support up to (almost) 1TB of guest RAM
AT  tools: arm: increase size of region set aside for guest grant table

A==ARM Ack, T==Tools ACK, *==Reworked in v4 so acks dropped.


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