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authorZhao Yakui <yakui.zhao@intel.com>2008-01-28 13:53:42 +0800
committerLen Brown <len.brown@intel.com>2008-02-02 02:30:11 -0500
commit1180509f6b3ec3ac2505375a78ccd72d270f2169 (patch)
treef26bcf07eedae91cb43a84fb617d62beb2a3d123 /arch/s390/boot
parent87654273ef63213f90c4243913987436495824f0 (diff)
downloadop-kernel-dev-1180509f6b3ec3ac2505375a78ccd72d270f2169.zip
op-kernel-dev-1180509f6b3ec3ac2505375a78ccd72d270f2169.tar.gz
ACPI : Update T-state coordination after getting _TSD info
Accordint to ACPI spec, the _TSD object provides T-state control cross logical processor dependency information to OSPM. After the _TSD data for all cpus are obtained, OSPM will set up the T-state coordination between CPUs. Of course if the _TSD doesn't exist or _TSD data is incorrect , it is assumed that there is no T-state coordination and T-state is changed independently. Now there is no proper solution to update T-state coordination after one cpu is hotplugged. So this patch won't support hotplugged cpu very well. Signed-off-by: Zhao Yakui <yakui.zhao@intel.com> Signed-off-by: Len Brown <len.brown@intel.com>
Diffstat (limited to 'arch/s390/boot')
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