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authorJiang Liu <jiang.liu@huawei.com>2013-09-02 11:57:34 +0800
committerRafael J. Wysocki <rafael.j.wysocki@intel.com>2013-09-24 01:39:39 +0200
commitca9f62ac783bf88c54143f8065adc0fc8df859c1 (patch)
treec22585a41438abe61565def29b3a055cb6ebad70 /fs/signalfd.c
parent4a10c2ac2f368583138b774ca41fac4207911983 (diff)
ACPI / processor: Introduce apic_id in struct processor to save parsed APIC id
For cpu hot add, we evaluate _MAT or parse MADT twice to get APIC id, here is the code logic: acpi_processor_add() acpi_processor_get_info() acpi_get_cpuid() will evaluate _MAT or parse MADT; acpi_processor_hotadd_init() acpi_map_lsapic() will evaluate _MAT again; This can be done more effectively, this patch introduces apic_id in struct processor to save parsed APIC id, and then we can use it and remove the duplicated _MAT evaluation. Signed-off-by: Jiang Liu <jiang.liu@huawei.com> Signed-off-by: Hanjun Guo <hanjun.guo@linaro.org> Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
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