From: "Lamia M. Youseff" <lyouseff@cs.ucsb.edu>
To: xen-devel@lists.xensource.com
Subject: Re: RFC: Using grant table to give iomem permission
Date: Fri, 18 May 2007 12:11:53 -0700 [thread overview]
Message-ID: <464DFA79.30604@cs.ucsb.edu> (raw)
In-Reply-To: <E1Hp33J-0006a6-QF@host-192-168-0-1-bcn-london>
> 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
next parent reply other threads:[~2007-05-18 19:11 UTC|newest]
Thread overview: 7+ messages / expand[flat|nested] mbox.gz Atom feed top
[not found] <E1Hp33J-0006a6-QF@host-192-168-0-1-bcn-london>
2007-05-18 19:11 ` Lamia M. Youseff [this message]
2007-05-21 10:36 ` RFC: Using grant table to give iomem permission Kieran Mansley
2007-05-18 14:01 Kieran Mansley
2007-05-18 14:05 ` Keir Fraser
2007-05-18 14:14 ` Kieran Mansley
2007-05-18 14:45 ` Keir Fraser
2007-05-18 14:50 ` Kieran Mansley
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