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From: Wei Huang <w1.huang@samsung.com>
To: Julien Grall <julien.grall@linaro.org>, xen-devel@lists.xen.org
Cc: keir@xen.org, ian.campbell@citrix.com,
	stefano.stabellini@eu.citrix.com, andrew.cooper3@citrix.com,
	tim@xen.org, jaeyong.yoo@samsung.com, jbeulich@suse.com,
	ian.jackson@eu.citrix.com, yjhyun.yoo@samsung.com
Subject: Re: [RFC v3 0/6] xen/arm: ARM save/restore/migration support
Date: Mon, 12 May 2014 09:52:04 -0500	[thread overview]
Message-ID: <5370E014.6040103@samsung.com> (raw)
In-Reply-To: <5370D7F3.3040700@linaro.org>

On 05/12/2014 09:17 AM, Julien Grall wrote:
> Hi Wei,
>
> On 05/08/2014 10:18 PM, Wei Huang wrote:
>> The following patches enable save/restore/migration support for ARM
>> guest VMs. Note that the original series were sent from Jaeyong Yoo.
>>
>> Working:
>>     * 32-bit (including SMP) guest VM save/restore/migration
>>     * 64-bit guest VM save
>> WIP:
>>     * 64-bit guest restore/migration
>
> I though a bit more about this series. I think we miss to save the
> layout of the guest (i.e GIC base address, gnttab base address,...) and
> some interrupts (i.e timer, evtchn,...)
>
> It's necessary because if we migrate from a older Xen to a new Xen, the
> default layout may have change.
>
Should we make these requirements as phase 2 for save/restore/migration? 
I think we have enough items to fix in current form. Adding more 
requirements will make the whole patch set bloated and hard to revise.

-Wei

> Regards,
>

  reply	other threads:[~2014-05-12 14:52 UTC|newest]

Thread overview: 67+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2014-05-08 21:18 [RFC v3 0/6] xen/arm: ARM save/restore/migration support Wei Huang
2014-05-08 21:18 ` [RFC v3 1/6] xen/arm: Add basic save/restore support for ARM Wei Huang
2014-05-08 22:11   ` Andrew Cooper
2014-05-08 22:20     ` Wei Huang
2014-05-09  8:56       ` Julien Grall
2014-05-14 10:27         ` Ian Campbell
2014-05-14 10:25     ` Ian Campbell
2014-05-14 10:46       ` Andrew Cooper
2014-05-14 13:22         ` Ian Campbell
2014-05-09  9:06   ` Julien Grall
2014-05-09  9:42   ` Jan Beulich
2014-05-14 10:37   ` Ian Campbell
2014-05-14 18:54     ` Wei Huang
2014-05-08 21:18 ` [RFC v3 2/6] xen/arm: Add save/restore support for ARM GIC V2 Wei Huang
2014-05-08 22:47   ` Andrew Cooper
2014-05-09 14:12     ` Wei Huang
2014-05-09 14:24       ` Ian Campbell
2014-05-11 16:15         ` Julien Grall
2014-05-13 14:53     ` Wei Huang
2014-05-09  9:17   ` Julien Grall
2014-05-14 11:07   ` Ian Campbell
2014-05-14 12:05     ` Julien Grall
2014-05-14 12:23       ` Tim Deegan
2014-05-14 13:24         ` Ian Campbell
2014-05-15 17:15   ` Julien Grall
2014-05-16  7:36     ` Ian Campbell
2014-05-08 21:18 ` [RFC v3 3/6] xen/arm: Add save/restore support for ARM arch timer Wei Huang
2014-05-08 23:02   ` Andrew Cooper
2014-05-11  9:01     ` Julien Grall
2014-05-11  8:58   ` Julien Grall
2014-05-12  8:35     ` Ian Campbell
2014-05-12 11:42       ` Julien Grall
2014-05-14 11:14   ` Ian Campbell
2014-05-14 12:13     ` Julien Grall
2014-05-14 13:23       ` Ian Campbell
2014-05-14 19:04     ` Wei Huang
2014-05-08 21:18 ` [RFC v3 4/6] xen/arm: Add save/restore support for guest core registers Wei Huang
2014-05-08 23:10   ` Andrew Cooper
2014-05-09 16:35     ` Wei Huang
2014-05-09 16:52       ` Ian Campbell
2014-05-11  9:06   ` Julien Grall
2014-05-14 11:16     ` Ian Campbell
2014-05-14 12:23       ` Julien Grall
2014-05-14 13:25         ` Ian Campbell
2014-05-14 13:31           ` Julien Grall
2014-05-14 11:37   ` Ian Campbell
2014-05-08 21:18 ` [RFC v3 5/6] xen/arm: Add log_dirty support for ARM Wei Huang
2014-05-08 23:46   ` Andrew Cooper
2014-05-14 11:51     ` Ian Campbell
2014-05-11 15:28   ` Julien Grall
2014-05-12 14:00     ` Wei Huang
2014-05-12 14:11       ` Julien Grall
2014-05-14 12:04         ` Ian Campbell
2014-05-14 11:57     ` Ian Campbell
2014-05-14 12:20       ` Julien Grall
2014-05-14 13:24         ` Ian Campbell
2014-05-14 13:18   ` Ian Campbell
2014-05-16 10:59   ` Julien Grall
2014-05-08 21:18 ` [RFC v3 6/6] xen/arm: Implement toolstack for xl restore/save/migration Wei Huang
2014-05-14 13:20   ` Ian Campbell
2014-05-14 13:24     ` Andrew Cooper
2014-05-11  9:23 ` [RFC v3 0/6] xen/arm: ARM save/restore/migration support Julien Grall
2014-05-12 14:37   ` Wei Huang
2014-05-13 14:41     ` Julien Grall
2014-05-12 14:17 ` Julien Grall
2014-05-12 14:52   ` Wei Huang [this message]
2014-05-12 15:01     ` Ian Campbell

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