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Re: [Xen-devel] Grant Tables & mm.c

To: Jeremy Fitzhardinge <jeremy@xxxxxxxx>
From: Keir Fraser <keir@xxxxxxxxxxxxx>
Date: Wed, 04 Jul 2007 20:04:12 +0100
Cc: Koripella Srinivas <talkwithsrinivas@xxxxxxxxxxx>, xen-devel@xxxxxxxxxxxxxxxxxxx
Delivery-date: Wed, 04 Jul 2007 11:59:14 -0700
List-id: Xen developer discussion <xen-devel.lists.xensource.com>
Thread-index: Ace+bht5WfiSeiphEdyLTgAWy6hiGQ==
Thread-topic: [Xen-devel] Grant Tables & mm.c



On 4/7/07 19:42, "Jeremy Fitzhardinge" <jeremy@xxxxxxxx> wrote:

>> You must explicitly unmap grants. So the domain which uses
>> GNTTABOP_map_grant_ref must subsequently unmap it with
>> GNTTABOP_unmap_grant_ref. You cannot just zap the pte!
> 
> Does that just apply to the last pte, or any pte?

Any pte that was created via GNTTABOP_map_grant_ref.

 -- Keir


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- Re: [Xen-devel] Grant Tables & mm.c
  - From: Jeremy Fitzhardinge

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