From mboxrd@z Thu Jan  1 00:00:00 1970
From: Julien Grall <julien.grall@linaro.org>
Subject: Re: [RFC PATCH v1 02/10] xen/arm: register mmio handler
	at runtime
Date: Fri, 21 Mar 2014 17:23:21 +0000
Message-ID: <532C7589.2040009@linaro.org>
References: <1395238631-2024-1-git-send-email-vijay.kilari@gmail.com>
	<1395238631-2024-3-git-send-email-vijay.kilari@gmail.com>
	<1395422249.25521.45.camel@kazak.uk.xensource.com>
Mime-Version: 1.0
Content-Type: text/plain; charset="us-ascii"
Content-Transfer-Encoding: 7bit
Return-path: <xen-devel-bounces@lists.xen.org>
In-Reply-To: <1395422249.25521.45.camel@kazak.uk.xensource.com>
List-Unsubscribe: <http://lists.xen.org/cgi-bin/mailman/options/xen-devel>,
	<mailto:xen-devel-request@lists.xen.org?subject=unsubscribe>
List-Post: <mailto:xen-devel@lists.xen.org>
List-Help: <mailto:xen-devel-request@lists.xen.org?subject=help>
List-Subscribe: <http://lists.xen.org/cgi-bin/mailman/listinfo/xen-devel>,
	<mailto:xen-devel-request@lists.xen.org?subject=subscribe>
Sender: xen-devel-bounces@lists.xen.org
Errors-To: xen-devel-bounces@lists.xen.org
To: Ian Campbell <Ian.Campbell@citrix.com>
Cc: vijay.kilari@gmail.com, stefano.stabellini@eu.citrix.com, Prasun.Kapoor@caviumnetworks.com, vijaya.kumar@caviumnetworks.com, xen-devel@lists.xen.org, stefano.stabellini@citrix.com
List-Id: xen-devel@lists.xenproject.org

On 03/21/2014 05:17 PM, Ian Campbell wrote:
> On Wed, 2014-03-19 at 19:47 +0530, vijay.kilari@gmail.com wrote:
>> From: Vijaya Kumar K <Vijaya.Kumar@caviumnetworks.com>
>>
>> mmio handlers are registers at compile time
>> for drivers like vuart and vgic.
>> Make mmio handler registered at runtime by
>> creating linked list of mmio handlers
> 
> I'm not convinced of the need for this, certainly the vgic side can just
> demux into v2 or v3 as necessary.

Demux the code just add an indirection. We could have a list of mmio
handler per domain and rely on it to call the right handler. A bit like x86.

Regards,

-- 
Julien Grall