标签[linux-kernel]

该标签用于询问有关Linux内核本身内部的问题,尤其是有关编写在内核上下文中运行的代码(例如内核模块或驱动程序)的问题。 有关在Linux中编写用户空间代码的问题通常应标记为[linux]。 由于Linux内核的内部结构在不断变化,因此包括您感兴趣的精确内核版本会很有帮助。

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vmalloc()返回的地址是PAGE_SIZE的倍数吗?

I'd like to ask a question about vmalloc() .我想问一个关于vmalloc()的问题。 According to the documentation from kernel.org, it says:根据 kernel.org 的文档,它说: Alloca
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22

RealtekWifi制作文件

I want to install realtek wifi driver from this : https://www.wireless-driver.com/realtek-rtl8191se-rtl8192se-wireless-linux-driver-ver0019/我想从这里安装 re
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了解arm64的kvm_vcpu_run_vhe函数

The bounty expires in 11 hours . 赏金将在 11 小时后到期。 Answers to this question are eligible for a +
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45

虚拟文件系统如何处理像读写这样的系统调用?

(All of the code snippets are taken from: https://docs.huihoo.com/doxygen/linux/kernel/3.7/dir_97b3d2b63ac216821c2d7a22ee0ab2b0.html ) (所有代码片段均来自: htt
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了解Linux内核设备树中的中断控制器

The Linux kernel device tree can specify the address of an interrupt controller like this: Linux 内核设备树可以像这样指定中断控制器的地址:interrupt-controller { compat
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34

使用U-Boot和“sh”启动Linux期间的UART问题:进程陷阱

I am currently working with Linux kernel which has to be booted using U-boot.我目前正在使用必须使用 U-boot 启动的 Linux 内核。 I have the vmlinux and made into a uImag
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19

用于arm处理器imx287的BuildrootLinux

I have a task to build Buildroot with a new kernel for arm iMX287, Buildroot version is 2018.02.4, used to build with kernel v4.14.67, now I'm trying
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我的linux固件中缺少什么依赖项?[关闭]

Closed. 关闭。 This question does not meet Stack Overflow guidelines . 此问题不符合Stack Overflow 准则。 It is not cur
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我的自定义mmap()如何使用HUGETLB页面并将这些页面重新映射到用户?

I am implementing a framework that maps contiguous physical memory regions to userspace, while returning a specific virtual address to the user proces
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36

Linuxx86内核中的定时页面故障服务功能[关闭]

Closed . 关闭。 This question needs to be more focused . 这个问题需要更加集中。 It is not currently accepting answers.
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在树莓派上重新编译linux内核代码的命令是什么?[关闭]

Closed. 关闭。 This question needs debugging details . 这个问题需要调试细节。 It is not currently accepting answers.
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36

主板上的GPIO名称

How to find GPIO on my motherboard.如何在我的主板上找到 GPIO。 I want describe GPIOs in device tree like this:我想像这样在设备树中描述 GPIO:&gpio { status = "okay";
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61

未包含内核驱动程序

I am writing a basic kernel driver to access some memory locations.我正在编写一个基本的内核驱动程序来访问一些内存位置。 It compiles fine, but whenever I try to insmod it, it ju
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15

为什么在Linux中需要structinet6_dev

although struct inet6_dev and struct net_device have different members, I still confused about why struct inet6_dev is needed ?尽管struct inet6_dev和stru
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20

引导分区到引导目录

I created a custom machine file for beagleboneblack wanted to boot it.我为想要启动它的 beagleboneblack 创建了一个自定义机器文件。 In the following version it did not boot;
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Linux,如何使用task_struct从内核模块更改进程权限?

after trying to get task_struct by pid and succeeding, I need to change the perms of the process to root, while trying to get these perms and changing
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如何回复或评论Linux内核邮件列表中的线程?

I am having some trouble replying and comment on threads in the Linux Kernel Mailing List, I have submitted some patches and then I have received some
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35

损坏的mysqld包阻止在ubuntu中进行任何其他安装

I am having this issue for quite a long period of time, it started when I wanted to change password for mysql which I forgot.我有这个问题很长一段时间,当我想更改我忘记的 my
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26

直接从内核空间从TTY模拟U盘读取数据

I have a USB stick that sends data emulating the serial protocol using CDC.我有一个 U 盘,它使用 CDC 发送模拟串行协议的数据。 Now I want to write a kernel driver that read
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20

一个关于内核API方法kstrtol()使用的问题

int kstrtol ( const char * s, unsigned int base, long * res); Can someone advise me on whether I need to allocate memory for long * res before

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