From mboxrd@z Thu Jan  1 00:00:00 1970
From: Keir Fraser <keir.fraser@eu.citrix.com>
Subject: Re: need to explain the code
Date: Thu, 05 Nov 2009 07:58:36 +0000
Message-ID: <C718362C.193CB%keir.fraser@eu.citrix.com>
References: <26208586.post@talk.nabble.com>
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: <26208586.post@talk.nabble.com>
List-Unsubscribe: <http://lists.xensource.com/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/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: "James (song wei)" <jsong@novell.com>, "xen-devel@lists.xensource.com" <xen-devel@lists.xensource.com>
List-Id: xen-devel@lists.xenproject.org

It gets assigned tro via that macro. I.e.,
HYPERVISOR_COMPAT_VIRT_START(d) = ...
Which is a bit odd. :-) You can grep for that, and find it in
arch/x86/domain.c and arch/x86/domain_build.c.

 -- Keir

On 05/11/2009 06:25, "James (song wei)" <jsong@novell.com> wrote:

> 
> I see the XEN code about "#define HYPERVISOR_COMPAT_VIRT_START(d)
> ((d)->arch.hv_compat_vstart)" in xen/include/asm-x86/config.h and be puzzled
> that where did the code allocate a value to hv_compat_vstart?
> Someone could tell me. thanks in advance!
> 
> -James (song wei)