lkml.org 
[lkml]   [2007]   [Apr]   [2]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
 
Messages in this thread
/
From
SubjectRe: [patch 04/17] Add pagetable accessors to pack and unpack pagetable entries
Date
On Monday 02 April 2007 07:56, Jeremy Fitzhardinge wrote:
> Add a set of accessors to pack, unpack and modify page table entries
> (at all levels). This allows a paravirt implementation to control the
> contents of pgd/pmd/pte entries. For example, Xen uses this to
> convert the (pseudo-)physical address into a machine address when
> populating a pagetable entry, and converting back to pphys address
> when an entry is read.

What do the benchmarks say with CONFIG_PARAVIRT on native hardware
compared to !CONFIG_PARAVIRT. e.g. does lmbench suffer?

-Andi
-
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@vger.kernel.org
More majordomo info at http://vger.kernel.org/majordomo-info.html
Please read the FAQ at http://www.tux.org/lkml/

\
 
 \ /
  Last update: 2007-04-02 08:15    [W:0.088 / U:0.464 seconds]
©2003-2018 Jasper Spaans|hosted at Digital Ocean and TransIP|Read the blog|Advertise on this site