lkml.org 
[lkml]   [2012]   [Mar]   [20]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
 
Messages in this thread
/
SubjectRe: [RFC][PATCH 00/26] sched/numa
From
Date
On Tue, 2012-03-20 at 12:52 +0200, Avi Kivity wrote:

> You use the dma engine for eager copying, not on demand.

Sure, but during that time no access to that entire vma is allowed, so
you have to unmap it, and any fault in there will have to wait for the
entire copy to complete.

Or am I misunderstanding how things would work?


\
 
 \ /
  Last update: 2012-03-20 12:11    [W:0.090 / U:0.652 seconds]
©2003-2020 Jasper Spaans|hosted at Digital Ocean and TransIP|Read the blog|Advertise on this site