From: Steven J. Hill <Steven.Hill@imgtec.com>
Date: Fri, 27 Feb 2015 00:16:38 +0000 (-0600)
Subject: MIPS: Add support for XPA.
X-Git-Tag: omap-for-v4.1/fixes-rc1~111^2^2~31
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=c5b367835cfc7a8ef53b9670a409ff;p=pandora-kernel.git

MIPS: Add support for XPA.

Add support for extended physical addressing (XPA) so that
32-bit platforms can access equal to or greater than 40 bits
of physical addresses.

NOTE:
      1) XPA and EVA are not the same and cannot be used
         simultaneously.
      2) If you configure your kernel for XPA, the PTEs
         and all address sizes become 64-bit.
      3) Your platform MUST have working HIGHMEM support.

Signed-off-by: Steven J. Hill <Steven.Hill@imgtec.com>
Cc: linux-mips@linux-mips.org
Patchwork: https://patchwork.linux-mips.org/patch/9355/
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
---

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