From: Andrew Cooper <andrew.cooper3@citrix.com>
To: Jan Beulich <JBeulich@suse.com>
Cc: George Dunlap <george.dunlap@eu.citrix.com>,
TimDeegan <tim@xen.org>, Doug Goldstein <cardoe@cardoe.com>,
Ian Campbell <ian.campbell@citrix.com>,
Xen-devel <xen-devel@lists.xen.org>
Subject: Re: [PATCH] x86: Convert shadow-paging to Kconfig
Date: Tue, 19 Jan 2016 13:47:53 +0000 [thread overview]
Message-ID: <569E3E89.5010604@citrix.com> (raw)
In-Reply-To: <569E4A6E02000078000C891A@prv-mh.provo.novell.com>
On 19/01/16 13:38, Jan Beulich wrote:
>>>> On 19.01.16 at 14:30, <andrew.cooper3@citrix.com> wrote:
>> On 19/01/16 13:23, Jan Beulich wrote:
>>>>>> On 19.01.16 at 10:46, <ian.campbell@citrix.com> wrote:
>>>> On Mon, 2016-01-18 at 18:40 +0000, Andrew Cooper wrote:
>>>>> Signed-off-by: Andrew Cooper <andrew.cooper3@citrix.com>
>>>> Does this have any impact on migration of either PV or HVM guests? What
>>>> about nested virt?
>>> At least PV guests won't be migratable anymore when there's no
>>> shadow mode.
>> What? Shadow mode (or lack thereof) has no impact whatsoever on migration.
> So how would log-dirty mode work for a PV guest without shadow
> code?
Oops yes. I am confusing the fact that logdirty and vram tracking are
independent, rather than logdiry and shadow. (we have far too many modes)
I should update the text to talk about migration.
~Andrew
next prev parent reply other threads:[~2016-01-19 13:47 UTC|newest]
Thread overview: 19+ messages / expand[flat|nested] mbox.gz Atom feed top
2016-01-18 18:40 [PATCH] x86: Convert shadow-paging to Kconfig Andrew Cooper
2016-01-18 22:53 ` Doug Goldstein
2016-01-19 9:46 ` Ian Campbell
2016-01-19 13:23 ` Jan Beulich
2016-01-19 13:30 ` Andrew Cooper
2016-01-19 13:38 ` Jan Beulich
2016-01-19 13:47 ` Andrew Cooper [this message]
2016-01-19 13:39 ` Andrew Cooper
2016-01-19 13:50 ` Ian Campbell
2016-01-19 13:54 ` Andrew Cooper
2016-01-19 13:46 ` Tim Deegan
2016-01-19 13:51 ` Andrew Cooper
2016-01-19 13:27 ` Jan Beulich
2016-01-19 13:33 ` Andrew Cooper
2016-01-19 13:39 ` Jan Beulich
-- strict thread matches above, loose matches on Subject: below --
2016-01-29 18:20 Andrew Cooper
2016-01-29 21:46 ` Doug Goldstein
2016-02-01 9:54 ` Tim Deegan
2016-02-02 11:39 ` George Dunlap
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