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    SubjectRe: [Xen-devel] [PATCH 1/3] PAD helper for native and paravirt platform
    On Fri, Feb 17, 2012 at 08:56:43AM +0000, Liu, Jinsong wrote:
    > >From f66a2df1392bbe69426387657a220177be50d58a Mon Sep 17 00:00:00 2001
    > From: Liu, Jinsong <>
    > Date: Fri, 10 Feb 2012 20:32:50 +0800
    > Subject: [PATCH 1/3] PAD helper for native and paravirt platform
    > This patch is PAD (Processor Aggregator Device) helper.
    > It provides a native interface for natvie platform, and a template
    > for paravirt platform, so that os can implicitly hook to proper ops accordingly.
    > The paravirt template will further redirect to Xen pv ops in later patch for Xen
    > core parking.


    With this patch: " xen/enlighten: Expose MWAIT and MWAIT_LEAF if
    hypervisor OKs it." which is now in 3.4-rc0:
    it means that now that the drivers/acpi/acpi_pad.c can run
    as is under Xen (as the MWAIT_LEAF is exposed) What is the impact
    of that? Is the monitor call causing a trap to the hypervisor which will
    ignore the call? Or will it have some more worrysome consequences?


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