Re: [Xen-devel] [PATCH v7 00/10] toolstack-based approach to pvhvm guest kexec

[Vitaly Kuznetsov <vkuznets@xxxxxxxxxx>]

"Jan Beulich" <JBeulich@xxxxxxxx> writes:

>>>> On 27.05.15 at 17:25, <vkuznets@xxxxxxxxxx> 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

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