函数逻辑报告

Linux Kernel

v5.5.9

Brick Technologies Co., Ltd

Source Code:arch\x86\kernel\cpu\resctrl\pseudo_lock.c Create Date:2022-07-27 09:13:57
Last Modify:2020-03-12 14:18:49 Copyright©Brick
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函数名称：dtgroup_locksetup_user_restore - Restore user access to group*@rdtgrp: resource group needing access restored* Restore all file access previously removed using* rdtgroup_locksetup_user_restrict()* Return: 0 on success, <0 on failure

函数原型：static int rdtgroup_locksetup_user_restore(struct rdtgroup *rdtgrp)

返回类型：int

参数：

类型参数名称
struct rdtgroup *rdtgrp
599  ret等于dtgroup_kn_mode_restore - Restore user access to named resctrl file*@r: The resource group with which the file is associated.*@name: Name of the file*@mask: Mask of permissions that should be restored* Restore the permissions of the named file
600  如果ret则返回:ret
603  ret等于dtgroup_kn_mode_restore - Restore user access to named resctrl file*@r: The resource group with which the file is associated.*@name: Name of the file*@mask: Mask of permissions that should be restored* Restore the permissions of the named file
604  如果ret则转到:err_tasks
607  ret等于dtgroup_kn_mode_restore - Restore user access to named resctrl file*@r: The resource group with which the file is associated.*@name: Name of the file*@mask: Mask of permissions that should be restored* Restore the permissions of the named file
608  如果ret则转到:err_cpus
611  如果Global boolean for rdt_monitor which is true if any* resource monitoring is enabled.则
612  ret等于dtgroup_kn_mode_restore - Restore user access to named resctrl file*@r: The resource group with which the file is associated.*@name: Name of the file*@mask: Mask of permissions that should be restored* Restore the permissions of the named file
613  如果ret则转到:err_cpus_list
617  ret等于0
618  转到:out
620  err_cpus_list :
621  dtgroup_kn_mode_restrict - Restrict user access to named resctrl file*@r: The resource group with which the file is associated.*@name: Name of the file* The permissions of named resctrl file, directory, or link are modified
622  err_cpus :
623  dtgroup_kn_mode_restrict - Restrict user access to named resctrl file*@r: The resource group with which the file is associated.*@name: Name of the file* The permissions of named resctrl file, directory, or link are modified
624  err_tasks :
625  dtgroup_kn_mode_restrict - Restrict user access to named resctrl file*@r: The resource group with which the file is associated.*@name: Name of the file* The permissions of named resctrl file, directory, or link are modified
626  out :
627  返回:ret
调用者
名称描述
rdtgroup_locksetup_enterdtgroup_locksetup_enter - Resource group enters locksetup mode*@rdtgrp: resource group requested to enter locksetup mode* A resource group enters locksetup mode to reflect that it would be used* to represent a pseudo-locked region and is in the process of
rdtgroup_locksetup_exitdtgroup_locksetup_exit - resource group exist locksetup mode*@rdtgrp: resource group* When a resource group exits locksetup mode the earlier restrictions are* lifted.* Return: 0 on success, <0 on failure