Add the rt linux 4.1.3-rt3 as base
[kvmfornfv.git] / kernel / Documentation / ABI / testing / sysfs-devices-system-xen_cpu
diff --git a/kernel/Documentation/ABI/testing/sysfs-devices-system-xen_cpu b/kernel/Documentation/ABI/testing/sysfs-devices-system-xen_cpu
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+What:          /sys/devices/system/xen_cpu/
+Date:          May 2012
+Contact:       Liu, Jinsong <jinsong.liu@intel.com>
+Description:
+               A collection of global/individual Xen physical cpu attributes
+
+               Individual physical cpu attributes are contained in
+               subdirectories named by the Xen's logical cpu number, e.g.:
+               /sys/devices/system/xen_cpu/xen_cpu#/
+
+
+What:          /sys/devices/system/xen_cpu/xen_cpu#/online
+Date:          May 2012
+Contact:       Liu, Jinsong <jinsong.liu@intel.com>
+Description:
+               Interface to online/offline Xen physical cpus
+
+               When running under Xen platform, it provide user interface
+               to online/offline physical cpus, except cpu0 due to several
+               logic restrictions and assumptions.