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Subject[patch 0/2] x86, UV: fixups for configurations with a large number of nodes.

We need the __uv_hub_info structure to contain the correct values for
n_val, gpa_mask, and lowmem_remap_*. The first patch in the series
accomplishes this. Could this be included in the stable tree as well.
Without this patch, booting a large configuration hits a problem where
the upper bits of the gnode affect the pnode and the bau will not operate.

The second patch cleans up the broadcast assist unit code a small bit.

Robin Holt

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