Yes we plan to release patch as soon as we cleaned up the code and we get the green light from our company ( and sadly it can take month on that point..) On 13 January 2012 01:31, Takuya Yoshikawa <yoshikawa.takuya@xxxxxxxxxxxxx> wrote: > (2012/01/13 10:09), Benoit Hudzia wrote: >> >> Hi, >> >> Sorry to jump to hijack the thread like that , however i would like >> to just to inform you that we recently achieve a milestone out of the >> research project I'm leading. We enhanced KVM in order to deliver >> post copy live migration using RDMA at kernel level. >> >> Few point on the architecture of the system : >> >> * RDMA communication engine in kernel ( you can use soft iwarp or soft >> ROCE if you don't have hardware acceleration, however we also support >> standard RDMA enabled NIC) . >> * Naturally Page are transferred with Zerop copy protocol >> * Leverage the async page fault system. >> * Pre paging / faulting >> * No context switch as everything is handled within kernel and using >> the page fault system. >> * Hybrid migration ( pre + post copy) available >> * Rely on an independent Kernel Module >> * No modification to the KVM kernel Module >> * Minimal Modification to the Qemu-Kvm code >> * We plan to add the page prioritization algo in order to optimise the >> pre paging algo and background transfer >> >> >> You can learn a little bit more and see a demo here: >> http://tinyurl.com/8xa2bgl >> I hope to be able to provide more detail on the design soon. As well >> as more concrete demo of the system ( live migration of VM running >> large enterprise apps such as ERP or In memory DB) >> >> Note: this is just a step stone as the post copy live migration mainly >> enable us to validate the architecture design and code. > > > Do you have any plan to send the patch series of your implementation? > > Takuya -- " The production of too many useful things results in too many useless people" -- To unsubscribe from this list: send the line "unsubscribe kvm" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
