From: Cliff Wickman <cpw@sgi.com>
Date: Fri, 30 Jul 2010 19:10:55 +0000 (-0500)
Subject: x86, UV: Initialize BAU hub map
X-Git-Tag: v2.6.36-rc1~25^2~1
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=c4026cfd8febcd63dd278894108839f30e525a0e;p=pandora-kernel.git

x86, UV: Initialize BAU hub map

Fix uninitialized uvhub_mask:

- An unitialized bit map variable was causing initialization of
  non-existant hubs (this one causes boot panics).

- And the bit map was too small for large machines.  This patch
  makes it dynamic in size.

- Fix the case where socket 0 has no enabled cpu's. Don't assume
  every hub has a socket 0.

- uv_init_per_cpu() should be __init.

Signed-off-by: Cliff Wickman <cpw@sgi.com>
Cc: <stable@kernel.org> # for .35.x
LKML-Reference: <E1Oeuyt-0004XS-0y@eag09.americas.sgi.com>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
---

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