[PATCH] Add HLE devl head file and several usages in kernel

For new Instruction Prefixes XACQUIRE and XRELEASE to enable kernel to use the new memory model that affects the critical sections with a hope to enable atomic memory concurrency in the absence of data conflicts based on description in chapter 12 of Intel SDM optimization guide. My understanding

[PATCH] Add HLE devl head file and several usages in kernel

For new Instruction Prefixes XACQUIRE and XRELEASE to enable kernel to use the new memory model that affects the critical sections with a hope to enable atomic memory concurrency in the absence of data conflicts based on description in chapter 12 of Intel SDM optimization guide. My understanding