Re: [PATCH] EFI: Only set regions uncacheable if they support it

From: Alan Cox
Date: Thu Mar 15 2012 - 10:52:11 EST


On Thu, 15 Mar 2012 14:42:36 +0000
Matthew Garrett <mjg@xxxxxxxxxx> wrote:

> On Thu, Mar 15, 2012 at 07:36:46AM -0700, H. Peter Anvin wrote:
>
> > I would still really like to understand why we're seeing #MCs... that's
> > bothersome all by itself.
>
> The region is the legacy video RAM, so I can imagine there being
> something magic about it.

What hardware platforms are afflicted by this btw ?
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