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From: Pavel Fedin <p.fedin@samsung.com>
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Date: Tue, 13 Oct 2015 15:41:42 +0300
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Subject: Re: [Qemu-devel] Live migration sequence
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To: 'Peter Maydell' <peter.maydell@linaro.org>
Cc: 'Juan Quintela' <quintela@redhat.com>, 'Marc Zyngier' <marc.zyngier@arm.com>, 'QEMU' <qemu-devel@nongnu.org>, "'Dr. David Alan Gilbert'" <dgilbert@redhat.com>, 'Amit Shah' <amit.shah@redhat.com>, kvmarm@lists.cs.columbia.edu, 'Christoffer Dall' <christoffer.dall@linaro.org>

 Hello!

> Our idea at the discussion at Connect was to have an ioctl to request
> a flush, rather than to do it automatically when a CPU is stopped
> (you probably don't want to flush when only one CPU in an SMP system
> is stopped, for instance).

 Yes, you're right. Looks like this would be more complicated but better =
way to do the thing. I'll look at migration state notifier mechanism.

> But we wanted to get the basic no-ITS ABI sorted out and agreed first

 Yes, this is good idea, too much changes otherwise. But here at Samsung =
we have a project, and it has deadlines, so please understand that i try =
to do things quickly.
 Of course, you see that as soon as i make something, i post it at least =
as RFCs, because i don't want to have something misdesigned, which will =
be dropped afterwards. Cooperation with OSS is one of goals of our =
project.

 Thank you very much for your cooperation and explanations.

Kind regards,
Pavel Fedin
Expert Engineer
Samsung Electronics Research center Russia