函数逻辑报告

Linux Kernel

v5.5.9

Brick Technologies Co., Ltd

Source Code:kernel\livepatch\core.c Create Date:2022-07-27 11:30:25
Last Modify:2020-03-12 14:18:49 Copyright©Brick
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函数名称：klp_free_patch_async

函数原型：void klp_free_patch_async(struct klp_patch *patch)

返回类型：void

参数：

类型参数名称
struct klp_patch *patch
683  This function implements the free operations that can be called safely* under klp_mutex.* The operation must be completed by calling klp_free_patch_finish()* outside klp_mutex.
684  schedule_work - put work task in global workqueue*@work: job to be done* Returns %false if @work was already on the kernel-global workqueue and* %true otherwise
调用者
名称描述
klp_free_replaced_patches_async
klp_try_complete_transitionTry to switch all remaining tasks to the target patch state by walking the* stacks of sleeping tasks and looking for any to-be-patched or* to-be-unpatched functions. If such functions are found, the task can't be* switched yet.