Open Stack

Hi Maran,

I'd like to give this a try. Are there qemu patches to go along with these?

Sincerely,
Jesse

> -----Original Message-----
> From: Boeuf, Sebastien [mailto:sebastien.boeuf at intel.com]
> Sent: Monday, April 2, 2018 3:46 PM
> To: Maran Wilson <maran.wilson at oracle.com>; kata-
> dev at lists.katacontainers.io
> Cc: jesse.butler at oracle.com
> Subject: Re: [kata-dev] Fast booting KVM guests w/o firmware and Qemu pc-
> lite
> 
> Thanks Maran,
> 
> This would indeed push Kata in the right direction regarding the optimizations
> needed for boot time.
> 
> Thanks,
> Sebastien
> ________________________________________
> From: Maran Wilson [maran.wilson at oracle.com]
> Sent: Monday, April 02, 2018 1:40 PM
> To: kata-dev at lists.katacontainers.io
> Cc: jesse.butler at oracle.com
> Subject: [kata-dev] Fast booting KVM guests w/o firmware and Qemu pc-lite
> 
> There was some discussion about Qemu pc-lite vs upstream Qemu in the
> Architecture Committee meeting today. As Jesse Butler briefly mentioned
> on Slack, a few of us have been working on upstreaming a different
> approach to starting KVM guests without firmware that should be more
> acceptable for upstream maintainers. We are treating it as a more
> general purpose interface, but hopefully this framework will go a long
> way towards closing the gap between pc-lite and upstream Qemu in terms
> of guest startup time for solutions like Kata containers.
> 
> We have already posted a set of Linux kernel patches upstream that seem
> to be well received so far by the community. See
> https://lkml.org/lkml/2018/3/20/717 for the latest version. We are
> currently working on cleaning up the corresponding Qemu patches and
> getting them ready for upstream review as well. Based on the RFC
> discussions we have had with upstream maintainers regarding high level
> design, I'm cautiously optimistic that we won't run into any deal
> breakers when we do post the qemu patches.
> 
> The high level idea is that we could use this approach to achieve the
> same goal of booting directly to the uncompressed Linux kernel (without
> running firmware), but in a way that is acceptable to the upstream
> community since we aren't introducing any new Linux OS specific
> (zero-page) initialization in Qemu.
> 
> So for anyone interested in the Qemu/KVM side of Kata containers and how
> we might be able to start VMs more quickly, please take a look at the
> patches we have posted so far and feel free to join the discussion on
> the upstream mailing lists.
> 
> Thanks,
> -Maran
> 
> 
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