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Re: [Xen-devel] memory shared between vms

  • To: songzhonglei <fengfeixuewu@xxxxxxx>
  • From: Dietmar Hahn <dietmar.hahn@xxxxxxxxxxxxxx>
  • Date: Wed, 6 May 2009 11:33:12 +0200
  • Cc: xen-devel@xxxxxxxxxxxxxxxxxxx
  • Delivery-date: Wed, 06 May 2009 02:33:41 -0700
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  • List-id: Xen developer discussion <xen-devel.lists.xensource.com>
> i want to access a page (which is in other guest,such as hvm)in kernel
> space of domain 0 ,and i can get the gfn of this page. what will i do? i
> know in dom0's user space i can use xc_map_foreign_range()(libxc) to map
> this page to dom0,and then i can access it. but in kernel space,i can not
> use this function.

You may have a look at
http://lists.xensource.com/archives/html/xen-devel/2008-10/msg00237.html

Dietmar.


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