Linux内核抢占的相关内容

[帮助文档] 如何更新Linux内核漏洞（CVE-2020-14386）

9月4日，Linux社区公布了编号为CVE-2020-14386的内核漏洞。该漏洞源自Linux内核net/packet/af_packet.c，攻击者可以通过该漏洞实现越界写，可能造成提权和容器逃逸等风险。

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关于linux内核中断处理和内核抢占的两个说明

中断处理不能睡眠和切换：原因随处可以找到，总结起来就是：1.增加了当前任务的不确定性，实时性能得不到保障，毕竟中断上下文是任意进程上下文，这样对那个被中断的进程不公平，我在邮件列表中的原话是：“中断处理占用当前进程的内核栈，因此中断中如果切换了还是可以切换回来的，切换回来时就会到了这个中断发生时的当...

linux内核抢占的几个细节

邮件列表每天都能让我学到新东西，感谢他！有朋友问PREEMPT_ACTIVE有什么用，我给出了最简单的回答，就是避免被抢占的进程被无情的赶出运行队列。这个回答显然不能让那位朋友满意... 进程一旦调用了schedule，如果再次被调度运行，那么有下面几种可能：1.状态为TASK_RUNNING，处于...

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更新时间 2023-09-18 09:44:21

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