From: Yasuaki Ishimatsu <isimatu.yasuaki@jp.fujitsu.com>
Date: Thu, 22 Jul 2010 05:57:35 +0000 (+0900)
Subject: x86: Ioremap: fix wrong physical address handling in PAT code
X-Git-Tag: v2.6.36-rc1~525^2
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=3709c857350976408953831f0cf89d19951394a1;p=pandora-kernel.git

x86: Ioremap: fix wrong physical address handling in PAT code

The following two commits fixed a problem that x86 ioremap() doesn't handle
physical address higher than 32-bit properly in X86_32 PAE mode.

 ffa71f33a820d1ab3f2fc5723819ac60fb76080b (x86, ioremap: Fix incorrect
 physical address handling in PAE mode)

 35be1b716a475717611b2dc04185e9d80b9cb693 (x86, ioremap: Fix normal
 ram range check)

But these fixes are not enough, since pat_pagerange_is_ram() in PAT code
also has a same problem. This patch fixes it.

Signed-off-by: Yasuaki Ishimatsu <isimatu.yasuaki@jp.fujitsu.com>
Reviewed-by: Kenji Kaneshige <kaneshige.kenji@jp.fujitsu.com>
LKML-Reference: <4C47DDCF.80300@jp.fujitsu.com>
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
---

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