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...4 XenAPI's bootloader for EL-based g ii xcp 0.5.2-3+b1 Fork-and-exec daemon for xapi ii xcp 1.3.2-9 Xen Cloud Platform - network confi ii xcp 1.3.2-9 Xen Cloud Platform - memory balloo ii xcp 0.1.1-2 storage backends for XCP ii xcp 1.3.2-9 Xen Cloud Platform - feature daemo ii xcp 1.3.2-9 Xen Cloud Platform - command-line ii xen 4.1.3~rc1+hg-20120614.a9c0a89c08f2-4 Xen Hypervisor on AMD64...

Hi Ian/Stefano, So, I''m back to using pfn space from maxphysaddr below. Stefano, you suggested ballooning, but that would be just too slow. There are lot of pages to be mapped, 4k at a time during guest creation, and I am afraid ballooning and hypercalls to populate EPT will be pretty slow. OTOH, there is tons of address space available between max-physaddr and max pfn in dom0. Stefano, your conce...

Hi, this is an idea that is based on Andrea Arcangeli's original idea to host enforce guest access to memory given up using virtio-balloon using userfaultfd in the hypervisor. While looking into the details, I realized that host-enforcing virtio-balloon would result in way too many problems (mainly backwards compatibility) and would also have some conceptual restrictions that I want to avoid. So I developed the idea of virtio-mem - &...

Hi, this is an idea that is based on Andrea Arcangeli's original idea to host enforce guest access to memory given up using virtio-balloon using userfaultfd in the hypervisor. While looking into the details, I realized that host-enforcing virtio-balloon would result in way too many problems (mainly backwards compatibility) and would also have some conceptual restrictions that I want to avoid. So I developed the idea of virtio-mem - &...

...Cing a couple of people that just thought about something like this in the concept of fake DAX. On 16.06.2017 16:20, David Hildenbrand wrote: > Hi, > > this is an idea that is based on Andrea Arcangeli's original idea to > host enforce guest access to memory given up using virtio-balloon using > userfaultfd in the hypervisor. While looking into the details, I > realized that host-enforcing virtio-balloon would result in way too many > problems (mainly backwards compatibility) and would also have some > conceptual restrictions that I want to avoid. So I developed the id...

We (Michael Fetterman, George Dunlap and I) have been working over the last while on a full replacement for Xen''s shadow pagetable support. This mail contains some design notes, below; a patch against xen-unstable, giving a snapshot of the current state of the new shadow code, is at http://www.cl.cam.ac.uk/~tjd21/shadow2.patch Comments on both are welcome, although the code is not