glibc system call wrapper Introduction glic uses two method to make a wrapper for system calls: one is uses t... 2020-10-09 02:27:58 | 阅读: 173 | 收藏 | terenceli.github.io pseudo noerrno errval dup undef

vsyscall and vDSO Introduction Though there is a very good article to introduce vsyscalls and vDSO. I... 2020-10-09 02:27:58 | 阅读: 217 | 收藏 | terenceli.github.io vsyscall vdso 0m0 getcpu

Anatomy of the seccomp Introduction Linux kernel expose a lot of system calls to the userland process, how... 2020-10-09 02:27:58 | 阅读: 202 | 收藏 | terenceli.github.io seccomp prctl tif phase1 sfilter

make QEMU VM escape great again The QEMU 3.1 introduced a very serious security issue in SMBus implementation.The c... 2020-10-09 02:27:58 | 阅读: 201 | 收藏 | terenceli.github.io sts blkdata smbus i2c busy

QEMU interrupt emulation I have written a blog about kvm interrupt emulation. As we know, the QEMU can emulatio... 2020-10-09 02:27:58 | 阅读: 166 | 收藏 | terenceli.github.io irq gpio memory ioapic gsi

QOM Property 2018-09-05 Long time ago, I have discussed the class-based p... 2020-10-09 02:27:58 | 阅读: 119 | 收藏 | terenceli.github.io prop realized opaque objectclass

KVM MMIO implementation 2018-09-03 As already know, we can access devices by PIO and... 2020-10-09 02:27:58 | 阅读: 160 | 收藏 | terenceli.github.io mmio mr ept spte memory

Local APIC virtualization 2018-08-29 Background In the last article, I write someth... 2020-10-09 02:27:58 | 阅读: 215 | 收藏 | terenceli.github.io apic vcpu vmx memory

kvm interrupt emulation External interrupt First of all, let’s clarify the external interrupt in kvm. This... 2020-10-09 02:27:58 | 阅读: 139 | 收藏 | terenceli.github.io irq interrupt vcpu intr irqchip

qemu/kvm dirty pages tracking in migration The live migration’s most work is to migrate the RAM of guest from src host to dest ho... 2020-10-09 02:27:58 | 阅读: 129 | 收藏 | terenceli.github.io dirty memory migration gfn memslot

Add a new qmp command for qemu There is a detail documentation for writing a new qmp command for qemu, I just make a... 2020-10-09 02:27:58 | 阅读: 106 | 收藏 | terenceli.github.io qmp hmp qdict mon errp

dkms 101 2018-07-14 Loadable kernel module is very useful for dynamic... 2020-10-09 02:27:58 | 阅读: 79 | 收藏 | terenceli.github.io dkms i40evf firstly rebuilt loadable

Linux kernel networking: a general introduction 2018-06-17 Linux’s networking is originated from the BSD’s s... 2020-10-09 02:27:58 | 阅读: 86 | 收藏 | terenceli.github.io network agnostic everywhere connects follwing

Anatomy of the Linux block device driver In linux device driver, the block device is different from the char device which one w... 2020-10-09 02:27:58 | 阅读: 92 | 收藏 | terenceli.github.io bdev bio blk gendisk blkdev

Anatomy of the Linux 'bdev' file system 2018-06-14 ‘bdev’ file system is used for block device’s ino... 2020-10-09 02:27:58 | 阅读: 108 | 收藏 | terenceli.github.io bdev dentry secdata enomem kern

Anatomy of the Linux device driver model Welcome back the anatomy series articles, this one we will talk about the Linux device... 2020-10-09 02:27:58 | 阅读: 73 | 收藏 | terenceli.github.io kobj kset uevent kobject drv

Anatomy of the Linux loadable kernel module Loadable module plays a very important role in modern applications and operating syste... 2020-10-09 02:27:58 | 阅读: 103 | 收藏 | terenceli.github.io ksymtab gpl unused ko kcrctab

Anatomy of the Linux character devices Character device is one of the class of Linux devices. The coordinative devices contai... 2020-10-09 02:27:58 | 阅读: 76 | 收藏 | terenceli.github.io cdev filp kobj dentry fops

retpoline: 原理与部署 2018-03-24 本文主要翻译自Retpoline: A Branch Target Injection Mitig... 2020-10-09 02:27:58 | 阅读: 179 | 收藏 | terenceli.github.io rsb retpoline 指令 投机 thunk

Spectre Mitigation介绍 2018-03-07 背景CPU使用indirect branch predictors来进行投机执行。攻击者能够通... 2020-10-09 02:27:58 | 阅读: 123 | 收藏 | terenceli.github.io ibrs ibpb predictor stibp 控制