From: Chris Metcalf <cmetcalf@tilera.com>
Date: Wed, 7 Aug 2013 15:36:54 +0000 (-0400)
Subject: tile: support CONFIG_PREEMPT
X-Git-Tag: v3.12-rc1~120^2~48
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=bc1a298f4e04833db4c430df59b90039f0170515;p=pandora-kernel.git

tile: support CONFIG_PREEMPT

This change adds support for CONFIG_PREEMPT (full kernel preemption).
In addition to the core support, this change includes a number
of places where we fix up uses of smp_processor_id() and per-cpu
variables.  I also eliminate the PAGE_HOME_HERE and PAGE_HOME_UNKNOWN
values for page homing, as it turns out they weren't being used.

Signed-off-by: Chris Metcalf <cmetcalf@tilera.com>
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