From: H. Peter Anvin <hpa@zytor.com>
Date: Mon, 30 Jun 2008 22:42:47 +0000 (-0700)
Subject: x86: fix regression: boot failure on AMD Elan TS-5500
X-Git-Tag: v2.6.27-rc1~1106^2~250^2~1
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=2ee2394b682c0ee99b0f083abe6c57727e6edb69;p=pandora-kernel.git

x86: fix regression: boot failure on AMD Elan TS-5500

Jeremy Fitzhardinge wrote:
>
> Maybe it really does require the far jump immediately after setting PE
> in cr0...
>
> Hm, I don't remember this paragraph being in vol 3a, section 8.9.1
> before.  Is it a recent addition?
>
>    Random failures can occur if other instructions exist between steps
>    3 and 4 above.  Failures will be readily seen in some situations,
>    such as when instructions that reference memory are inserted between
>    steps 3 and 4 while in system management mode.
>

I don't remember that, either.

Signed-off-by: Ingo Molnar <mingo@elte.hu>
---

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