[PATCH 0/1] [Hardy] SRU: Disable 4MB page tables for Atom, work around errata AAE44

[Andy Whitcroft]

On Fri, Feb 19, 2010 at 03:16:34PM +0000, Colin King wrote:
> From: Colin Ian King <colin.king at canonical.com>
> 
> BugLink: https://bugs.launchpad.net/bugs/523112
> 
> SRU Justification:
> 
> Impact: Without this patch Intel(R) Atom (TM) CPUs can sometimes
> seemingly randomly get oopses on legitimate executable pages.
> This only occurs when splitting large 4MB pages into 4MB pages
> so this patch disables 4MB pages for this class of processor.
> 
> Fix: Detect processor type 0x1C and disable 4MB pages.

Do we understand why this is not exhibiting on later kernels, ie. why is
this patch only required on Hardy?

-apw