From: Yinghai Lu <Yinghai.Lu@Sun.COM>
Date: Wed, 30 Jan 2008 12:33:39 +0000 (+0100)
Subject: x86: change aper valid checking sequence
X-Git-Tag: v2.6.25-rc1~1143^2~153
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=261a5ec36befbe6bae069be14f45e618dcd35146;p=pandora-kernel.git

x86: change aper valid checking sequence

old sequence:
  size ==> >4G  ==> point to RAM

changed to:
  >4G ==> point to RAM ==> size

some bios even leave aper to unclear, so check size at last.

To avoid reporting:

  Node 0: Aperture @ 4a42000000 size 32 MB
  Aperture too small (32 MB)

with this change we will get:

  Node 0: Aperture @ 4a42000000 size 32 MB
  Aperture beyond 4G. Ignoring.

Signed-off-by: Yinghai Lu <yinghai.lu@sun.com>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
---

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