[PATCH V4 21/38] x86/intel_rdt: Utilities to restrict/restore access to specific files

2018-05-22 Thread Reinette Chatre
In support of Cache Pseudo-Locking we need to restrict access to specific resctrl files to protect the state of a resource group used for pseudo-locking from being changed in unsupported ways. Introduce two utilities that can be used to either restrict or restore the access to all files

[PATCH V4 21/38] x86/intel_rdt: Utilities to restrict/restore access to specific files

2018-05-22 Thread Reinette Chatre
In support of Cache Pseudo-Locking we need to restrict access to specific resctrl files to protect the state of a resource group used for pseudo-locking from being changed in unsupported ways. Introduce two utilities that can be used to either restrict or restore the access to all files