From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1756168Ab2GCGpr (ORCPT ); Tue, 3 Jul 2012 02:45:47 -0400 Received: from goliath.siemens.de ([192.35.17.28]:22369 "EHLO goliath.siemens.de" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751309Ab2GCGpq (ORCPT ); Tue, 3 Jul 2012 02:45:46 -0400 Message-ID: <4FF29509.3030909@siemens.com> Date: Tue, 03 Jul 2012 08:45:29 +0200 From: Jan Kiszka User-Agent: Mozilla/5.0 (X11; U; Linux i686 (x86_64); de; rv:1.8.1.12) Gecko/20080226 SUSE/2.0.0.12-1.1 Thunderbird/2.0.0.12 Mnenhy/0.7.5.666 MIME-Version: 1.0 To: Wen Congyang CC: kvm list , qemu-devel , "linux-kernel@vger.kernel.org" , Avi Kivity , "Daniel P. Berrange" , KAMEZAWA Hiroyuki , Gleb Natapov Subject: Re: [PATCH 5/6 v5] deal with guest panicked event accoring to -onpanic parameter References: <4FEAAE6E.7070302@cn.fujitsu.com> <4FEAAFFF.40401@cn.fujitsu.com> <4FEB1B06.4050309@siemens.com> <4FEBB044.1000306@cn.fujitsu.com> <4FEC153B.6040300@siemens.com> <4FF28C17.703@cn.fujitsu.com> <4FF292D5.20403@siemens.com> <4FF29482.6050206@cn.fujitsu.com> In-Reply-To: <4FF29482.6050206@cn.fujitsu.com> Content-Type: text/plain; charset=ISO-8859-1 Content-Transfer-Encoding: 7bit Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On 2012-07-03 08:43, Wen Congyang wrote: >> I'm not talking about changing the interface to the guest, I'm talking >> about how to model it in QEMU. And that difference would be transparent >> to the guest. I pointed you to examples like hw/kvm/clock.c. > > OK, I will read the code in hw/kvm/clock.c Just to avoid confusion: That example is just good for a trivial framework. It does vmstate saving, something you don't need as your "device" is stateless. If you want to find out how to register PIO ranges, also check e.g. hw/pcspk.c. Jan -- Siemens AG, Corporate Technology, CT RTC ITP SDP-DE Corporate Competence Center Embedded Linux