Lines Matching full:hotplug
2 CPU hotplug in the Kernel
18 insertion and removal require support for CPU hotplug.
22 system execution path. Hence the need for CPU hotplug support in the
25 A more novel use of CPU-hotplug support is its use today in suspend resume
78 of them may be online. When physical hotplug is processed by the relevant
82 at which time hotplug is disabled.
92 Using CPU hotplug
108 drwxr-xr-x 2 root root 0 Dec 21 16:33 hotplug
129 and excluded from CPU hotplug. On X86 the kernel option
140 The CPU hotplug coordination
146 hotplug states will be invoked, starting with ``CPUHP_ONLINE`` and terminating
159 Using the hotplug API
180 contains the allocated hotplug for dynamically allocated states
185 During the removal of a hotplug state the teardown callback will be invoked.
224 hotplug operations.
229 The hotplug states are defined in ``include/linux/cpuhotplug.h``:
246 required if the hotplug event requires specific ordering in respect to
247 another hotplug event.
249 Testing of hotplug states
257 All registered states are enumerated in ``/sys/devices/system/cpu/hotplug/states``: ::
259 $ tail /sys/devices/system/cpu/hotplug/states
273 $ cat /sys/devices/system/cpu/cpu4/hotplug/state
275 $ echo 140 > /sys/devices/system/cpu/cpu4/hotplug/target
276 $ cat /sys/devices/system/cpu/cpu4/hotplug/state
282 $ echo 169 > /sys/devices/system/cpu/cpu4/hotplug/target
283 $ cat /sys/devices/system/cpu/cpu4/hotplug/state
335 example code in other arch that implement CPU hotplug. The processor is taken