lkml.org 
[lkml]   [2012]   [Mar]   [15]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
 
Messages in this thread
/
Date
From
SubjectRe: [PATCH] EFI: Only set regions uncacheable if they support it
On 03/15/2012 07:42 AM, Matthew Garrett 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.
>

WTF?! That should be UC at all times... it isn't even WC-capable.
Furthermore, we may need this region (assuming there is actually a video
card there.)

What do the fixed MTRRs look like?

-hpa



\
 
 \ /
  Last update: 2012-03-15 15:51    [W:0.061 / U:0.716 seconds]
©2003-2020 Jasper Spaans|hosted at Digital Ocean and TransIP|Read the blog|Advertise on this site