On 16/11/18 18:17, Maran Wilson wrote: > On 11/16/2018 2:46 AM, Paolo Bonzini wrote: >> On 17/04/18 01:09, Maran Wilson wrote: >>> For certain applications it is desirable to rapidly boot a KVM virtual >>> machine. In cases where legacy hardware and software support within the >>> guest is not needed, Qemu should be able to boot directly into the >>> uncompressed Linux kernel binary without the need to run firmware. >>> >>> There already exists an ABI to allow this for Xen PVH guests and the ABI >>> is supported by Linux and FreeBSD: >>> >>> https://xenbits.xen.org/docs/unstable/misc/pvh.html >>> >>> This patch series would enable Qemu to use that same entry point for >>> booting KVM guests. >> Hi Maran, what happened to this series (and to the QEMU work)? > > Hi Paolo, > > Thank you for the reminder. Sorry, I have been wanting to continue this > work for a while now, but our team has been pulled in other directions > and this one ended up getting temporarily pushed down the priority stack. > > Let me discuss with my management and get back to you. I do want (and > intend) to support and push this over the finish line. > > In the meantime, if there are any folks out there with a specific > business need for getting this done sooner rather than later Well, we are interested in using this to avoid the decompression cost of booting a "container-like" VM image. I'm not sure what we will do about that, but certainly getting this included in the upstream projects would be a prerequisite. If you really prefer to discuss things offlist, feel free to include me, Stefan and Stefano. Paolo > and are > able to invest a bit of time to collaborate on the remaining Qemu work, > please feel free to ping me offline. We have some preliminary Qemu > patches, but there is some additional work needed before they are ready > wider review. > > Thanks, > -Maran