lkml.org 
[lkml]   [2013]   [Oct]   [28]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
 
Messages in this thread
/
SubjectRe: [PATCH] X86: MM: Add PAT Type write-through in combination with mtrr
From
Date
Sort of; the writes combine in the cache.

Borislav Petkov <bp@alien8.de> wrote:
>On Mon, Oct 28, 2013 at 11:17:49AM +0100, Ingo Molnar wrote:
>> And regular write-back cacheable isn't sufficient because the CPU
>> could do things like prefetch your range automatically?
>
>Yeah, he's doing a CLFLUSH anyway which basically makes it a
>write-through...

--
Sent from my mobile phone. Please pardon brevity and lack of formatting.


\
 
 \ /
  Last update: 2013-10-28 12:41    [W:0.120 / U:0.804 seconds]
©2003-2020 Jasper Spaans|hosted at Digital Ocean and TransIP|Read the blog|Advertise on this site