From mboxrd@z Thu Jan  1 00:00:00 1970
From: Vitaly Kuznetsov <vkuznets@redhat.com>
Subject: Re: [PATCH v7 00/10] toolstack-based approach to pvhvm
	guest kexec
Date: Thu, 28 May 2015 14:27:28 +0200
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To: Jan Beulich <JBeulich@suse.com>
Cc: Olaf Hering <olaf@aepfle.de>, Wei Liu <wei.liu2@citrix.com>, Ian Campbell <ian.campbell@citrix.com>, Stefano Stabellini <stefano.stabellini@eu.citrix.com>, Andrew Cooper <andrew.cooper3@citrix.com>, Julien Grall <julien.grall@linaro.org>, Ian Jackson <ian.jackson@eu.citrix.com>, Andrew Jones <drjones@redhat.com>, Tim Deegan <tim@xen.org>, David Vrabel <david.vrabel@citrix.com>, xen-devel@lists.xenproject.org, Daniel De Graaf <dgdegra@tycho.nsa.gov>, Keir Fraser <keir@xen.org>
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"Jan Beulich" <JBeulich@suse.com> writes:

>>>> On 27.05.15 at 17:25, <vkuznets@redhat.com> wrote:
>> This patch series provides x86 PVHVM domains with an ability to perform
>> kexec/kdump-style operations.
>
> Before I get to look at this latest version, may I go a step back and
> ask for clarification whether all of these (seemingly fragile)
> manipulations are actually needed (such a rationale for the series
> would btw be quite good to have in the overview mail, rather than
> having to wade through mailing list history). In particular, why is it
> that we need a new domain in the first place? After all, native
> kexec doesn't imply a new physical machine either. Perhaps that
> was discussed a long while back, but I can't seem to find any of
> that now that I would like to read through it again.

Yes, here are some highlights from last year's discussion:

http://lists.xen.org/archives/html/xen-devel/2014-08/msg01908.html

http://lists.xen.org/archives/html/xen-devel/2014-08/msg01979.html

http://lists.xen.org/archives/html/xen-devel/2014-08/msg01918.html

-- 
  Vitaly