本文将mark下AMD spec相关信息。

Overview

VMFUNC is an Intel hardware instruction that allows software in non-root mode (in both kernel and user modes) to invoke a VM function. VM functions are processor features managed by the hypervisor. EPTP (the pointer to an EPT) switching is one of these VM functions

本文将mark下Cuckoo hashing相关notes。

本文将mark下DAX(Direct Access)相关notes。

What

Direct Access (DAX) enables direct access to files stored in persistent memory or on a block device. Without DAX support in a file system, the page cache is generally used to buffer reads and writes to files, and requires an extra copy operation.

DAX removes the extra copy operation by performing reads and writes directly to the storage device.

本文将会介绍Linux中pin住文件page cache的方法。

本文将记录下Intel® Architecture Instruction Set Extensions Programming Reference中的user-timer events技术。笔者特意裁剪了本文相关的描述: user-timer events

本文将mark下Intel的新feature:monitorless MWAIT。

本文将记录下Intel® Architecture Instruction Set Extensions Programming Reference中的APIC-timer virtualization技术。笔者特意裁剪了本文相关的描述: APIC-timer virtualization

本文将介绍下vhost-user-nvme(SPDK Vhost-NVMe)技术。

The SPDK Vhost-NVMe target combines NVMe 1.3 new feature as well as vhost-user technology to accelerate NVMe IOs inside Guest VM. It uses NVMe as the paravirtualization protocol between Guest and SPDK Vhost-NVMe target. Also, no special paravirtualization driver is required inside Guest.

本文将介绍下NVMe中的Shadow doorbell buffer机制。