From mboxrd@z Thu Jan  1 00:00:00 1970
From: Keir Fraser <keir@xensource.com>
Subject: Re: [PATCH][libxc] xc_translate_foreign_address with
	additional parameter
Date: Fri, 05 Jan 2007 14:36:10 +0000
Message-ID: <C1C412DA.727B%keir@xensource.com>
References: <459E5E60.1060002@jikos.cz>
Mime-Version: 1.0
Content-Type: text/plain;
	charset="US-ASCII"
Content-Transfer-Encoding: 7bit
Return-path: <xen-devel-bounces@lists.xensource.com>
In-Reply-To: <459E5E60.1060002@jikos.cz>
List-Unsubscribe: <http://lists.xensource.com/cgi-bin/mailman/listinfo/xen-devel>,
	<mailto:xen-devel-request@lists.xensource.com?subject=unsubscribe>
List-Post: <mailto:xen-devel@lists.xensource.com>
List-Help: <mailto:xen-devel-request@lists.xensource.com?subject=help>
List-Subscribe: <http://lists.xensource.com/cgi-bin/mailman/listinfo/xen-devel>,
	<mailto:xen-devel-request@lists.xensource.com?subject=subscribe>
Sender: xen-devel-bounces@lists.xensource.com
Errors-To: xen-devel-bounces@lists.xensource.com
To: Tomas Kouba <tomas@jikos.cz>, xen-devel <xen-devel@lists.xensource.com>
List-Id: xen-devel@lists.xenproject.org




On 5/1/07 14:19, "Tomas Kouba" <tomas@jikos.cz> wrote:

> I think it would be handy(*) to have additional function
> xc_translate_foreign_address_cr3 that does the same as
> xc_translate_foreign_address but with explicit cr3 register.
> The actual xc_translate_foreign_address takes its cr3 from
> vcpu context.

Even better would be to accept cr3, cr4 and efer msr. That's sufficient to
work out the execution mode (non-pae, pae, 64-bit). Or the caller could work
out the mode and pass it in as an enumeration value (perhaps with a fallback
default of 'whatever is most likely').

 -- Keir