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    SubjectRe: [PATCH 3/5] cpuidle: replace xen access to x86 pm_idle and default_idle
    On 08/03/2011 12:44 PM, Len Brown wrote:
    > From: Len Brown <len.brown@intel.com>
    >
    > When a Xen Dom0 kernel boots on a hypervisor, it gets access
    > to the raw-hardware ACPI tables. While it parses the idle tables
    > for the hypervisor's beneift, it uses HLT for its own idle.
    >
    > Rather than have xen scribble on pm_idle and access default_idle,
    > have it simply disable_cpuidle() so acpi_idle will not load and
    > architecture default HLT will be used.
    >
    > cc: xen-devel@lists.xensource.com
    > Tested-by: Konrad Rzeszutek Wilk <konrad.wilk@oracle.com>
    > Signed-off-by: Len Brown <len.brown@intel.com>
    > ---
    > arch/x86/xen/setup.c | 3 ++-
    > drivers/cpuidle/cpuidle.c | 4 ++++
    > include/linux/cpuidle.h | 2 ++
    > 3 files changed, 8 insertions(+), 1 deletions(-)
    >

    Acked-by: H. Peter Anvin <hpa@linux.intel.com>



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