Messages in this thread | | | Date | Wed, 03 Aug 2011 15:35:40 -0700 | From | "H. Peter Anvin" <> | Subject | Re: [PATCH 3/5] cpuidle: replace xen access to x86 pm_idle and default_idle |
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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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