[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index] Re: [Xen-devel] Re: [PATCH RFC] x86/acpi: don't ignore I/O APICs just because there's no local APIC
On 20/06/2009 00:44, "Nakajima, Jun" <jun.nakajima@xxxxxxxxx> wrote: >> I assume that putting AML into Xen has been considered, but I don't >> anything about those deliberations. Keir? Jun? >> > > Yes, it was one of the options years ago. We did not do that because Linux and > Solaris (as dom0) already had the AML interpreter and it's overkill and > redundant to have such a large component in the Xen hypervisor. Since the > hypervisor does most of the power management (i.e. P, C, S-state, etc.) > getting the info from dom0 today, we might want to reconsider the option. Yes, we could reconsider. However is there any stuff that dom0 remains responsible for (e.g., PCI management, and therefore PCI hotplug) where it would continue to need to be OSPM, interpreting certain AML objects? In general how safe would it be to have two layered entities both playing at being OSPM? -- Keir _______________________________________________ Xen-devel mailing list Xen-devel@xxxxxxxxxxxxxxxxxxx http://lists.xensource.com/xen-devel
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