函数逻辑报告

Linux Kernel

v5.5.9

Brick Technologies Co., Ltd

Source Code:arch\x86\kernel\cpu\intel_epb.c Create Date:2022-07-27 08:58:19
Last Modify:2020-03-12 14:18:49 Copyright©Brick
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函数名称：intel_epb_init

函数原型：static __init int intel_epb_init(void)

返回类型：int

参数：无

200  如果非boot_cpu_has(IA32_ENERGY_PERF_BIAS support )则返回:负ENODEV
203  ret等于puhp_setup_state - Setup hotplug state callbacks with calling the callbacks*@state: The state for which the calls are installed*@name: Name of the callback (will be used in debug output)*@startup: startup callback function*@teardown: teardown callback
206  如果ret小于0则转到:err_out_online
209  register_syscore_ops( & intel_epb_syscore_ops)
210  返回:0
212  err_out_online :
213  puhp_remove_state - Remove hotplug state callbacks and invoke the teardown*@state: The state for which the calls are removed* Removes the callback functions and invokes the teardown callback on* the present cpus which have already reached the @state.
214  返回:ret