From mboxrd@z Thu Jan  1 00:00:00 1970
From: "Lamia M. Youseff" <lyouseff@cs.ucsb.edu>
Subject: Re: RFC: Using grant table to give iomem permission
Date: Fri, 18 May 2007 12:11:53 -0700
Message-ID: <464DFA79.30604@cs.ucsb.edu>
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> When the hypervisor tries to do this grant in xen/common/grant_table.c
> it (i) notices that it is an iomem_map rather than device_map or
> host_map; (ii) it is from dom0; and (iii) it is not a RAM page.  It then
> attempts to call iomem_permit_access().

Hi Karen, 
Thanks for the patch, I find it useful... but I am wondering why you need to check it is from a dom0 ... I maybe not getting the reason, but iomem_map should be available for page sharing among all domains, shouldn't it ?

Thank you,
-- Lamia Youseff