Sherlock's blog

If your Linux system fails to boot up normally, this may be a way to boot it up from UEFI command manually

This document shows how to add yum repo resource for a Redhat/CentOS system

This document is used to collect and share rpm/yum related commands

This document shows how to dump ACPI table in a Linux system

This doc shows how UEFI reports memory blocks to OS

一个静态编译perf的流水帐

本文试图梳理aarch64构架下的内存屏障的逻辑，细节的东西还要去看ARMv8的手册。其实， 《ARM Cortex-A Series Programmer’s Guide for ARMv8-A》这本书的第13章，memory order已经对内存屏障的内容做了比较入门的讲解。

Linux内核crypto子系统带有自测试的功能，它可以对注册到crypto子系统上的各种算法 做测试。如果你自己写了一个驱动注册了一个算法到crypto子系统上可以使用crypto自带 的测试程序做一下快速的测试。本文大概介绍下crypto下的自测试相关的东西。

This document shares the basic logic of linux vfio mdev driver

UT test is one kind of basic software test. This document tries to share the basic idea about UT test from author. The idea is not mutual and author does not have much experience about UT.