lkml.org 
[lkml]   [2011]   [Oct]   [11]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
 
Messages in this thread
/
Date
From
SubjectRe: [PATCH 1/1] x86, e820: Remove direct mapping of reserved space for HT hole around 1TB
On 10/11/2011 03:09 PM, Jacob Shin wrote:
> The entire HT hole and also the unused address range before that hole
> need to be excluded from direct mapping. Otherwise speculative
> accesses to that reserved region can happen which cause machine
> checks.

BARF!

This is completely insane ad hockery when all that really should need to
happen is marking the HT region RESERVED, which should be possible on
any HT-equipped processor.

-hpa



\
 
 \ /
  Last update: 2011-10-12 01:47    [W:0.146 / U:0.044 seconds]
©2003-2020 Jasper Spaans|hosted at Digital Ocean and TransIP|Read the blog|Advertise on this site