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Re: [Xen-devel] map domU pages in dom0


  • To: xen-devel@xxxxxxxxxxxxxxxxxxx
  • From: david <david_n@xxxxxx>
  • Date: Sat, 09 Apr 2011 16:20:31 +0200
  • Delivery-date: Sat, 09 Apr 2011 07:21:10 -0700
  • List-id: Xen developer discussion <xen-devel.lists.xensource.com>



On 04/08/2011 07:56 AM, david wrote:
On 04/03/2011 09:55 PM, Keir Fraser wrote:
On 03/04/2011 20:42, "david"<david_n@xxxxxx> wrote:

Hi there,

it is possible to map memory pages from domU domains in dom0 writeable
in an easy way?

Link with libxenctrl, #include<xenctrl.h> and use one of
xc_map_foreign_{range,pages,bulk}(). You can find examples of their use
throughout the tools/ directory in xen-unstable.hg repository.

Thanks for the hint, that's exactly what I'm looking for.

so, now I can map pages read/writeable ascending except the pages with page no. 160 to 191 (from about 131000 mapped pages). Do you have any idea why? Do you know where I can find a good documentation about memory mgmt in xen?

greets
david




-- Keir

greets,
david

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