From mboxrd@z Thu Jan  1 00:00:00 1970
From: Wei Liu <wei.liu2@citrix.com>
Subject: Re: [PATCH v7 09/18] tools/libxl: introduce
 libxl__domain_common_switch_qemu_logdirty()
Date: Wed, 3 Feb 2016 19:40:26 +0000
Message-ID: <20160203194026.GY23178@citrix.com>
References: <1454045254-3711-1-git-send-email-wency@cn.fujitsu.com>
	<1454045254-3711-10-git-send-email-wency@cn.fujitsu.com>
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To: Wen Congyang <wency@cn.fujitsu.com>
Cc: Lars Kurth <lars.kurth@citrix.com>, Changlong Xie <xiecl.fnst@cn.fujitsu.com>, Wei Liu <wei.liu2@citrix.com>, Ian Campbell <ian.campbell@citrix.com>, Andrew Cooper <andrew.cooper3@citrix.com>, Jiang Yunhong <yunhong.jiang@intel.com>, Ian Jackson <ian.jackson@eu.citrix.com>, xen devel <xen-devel@lists.xen.org>, Dong Eddie <eddie.dong@intel.com>, Gui Jianfeng <guijianfeng@cn.fujitsu.com>, Shriram Rajagopalan <rshriram@cs.ubc.ca>, Yang Hongyang <hongyang.yang@easystack.cn>
List-Id: xen-devel@lists.xenproject.org

On Fri, Jan 29, 2016 at 01:27:25PM +0800, Wen Congyang wrote:
> Secondary vm is running in COLO mode, we need to send secondary
> vm's dirty page information to primary host at checkpoint, so we
> have to enable qemu logdirty on secondary.
> 
> libxl__domain_suspend_common_switch_qemu_logdirty() is to enable
> qemu logdirty. But it uses libxl__domain_save_state, and calls
> libxl__xc_domain_saverestore_async_callback_done() before exits.
> This can not be used for secondary vm.
> 
> Update libxl__domain_suspend_common_switch_qemu_logdirty() to
> introduce a new API libxl__domain_common_switch_qemu_logdirty().
> This API only uses libxl__logdirty_switch, and calls
> lds->callback before exits. This new API will be used by the patch:
>   secondary vm suspend/resume/checkpoint code
> 
> Signed-off-by: Yang Hongyang <hongyang.yang@easystack.cn>
> Signed-off-by: Wen Congyang <wency@cn.fujitsu.com>
> CC: Andrew Cooper <andrew.cooper3@citrix.com>
> Acked-by: Ian Campbell <ian.campbell@citrix.com>

Acked-by: Wei Liu <wei.liu2@citrix.com>