>>> On 21.01.16 at 10:29, <andrew.coop...@citrix.com> wrote: > On 21/01/16 09:10, Xiao Guangrong wrote: >> I am not sure if i have understood your point. What your suggestion is >> that >> leave PMEM for hypervisor and all other parts (PBLK and _DSM handling) to >> Dom0? If yes, we should: >> a) handle hotplug in hypervisor (new PMEM add/remove) that causes >> hyperivsor >> interpret ACPI SSDT/DSDT. >> b) some _DSMs control PMEM so you should filter out these kind of >> _DSMs and >> handle them in hypervisor. >> c) hypervisor should mange PMEM resource pool and partition it to >> multiple >> VMs. > > It is not possible for Xen to handle ACPI such as this. > > There can only be one OSPM on a system, and 9/10ths of the functionality > needing it already lives in Dom0. > > The only rational course of action is for Xen to treat both PBLK and > PMEM as "devices" and leave them in Dom0's hands.
See my other reply: Why would this be different from "ordinary" memory hotplug? Jan _______________________________________________ Xen-devel mailing list Xen-devel@lists.xen.org http://lists.xen.org/xen-devel
