WebThe current implementation uses a sequence of a cacheflush and a copy. This is racy in case of a multithreaded debuggee and renders GDB virtually unusable. Web该区域位于 FIXADDR_START-FIXADDR_TOP 之间,每个 CPU 占用其中一块空间,这部分空间又会根据不同用途进一步细化,这定义在 kmap_types.h -> km_type 中。 注意, kmap_atomic 操作是原子性的,因为在中断服务程序中的任意时间,每个 CPU 在临时映射区都有各自可用的一块内存 ...
Subject Re: [PATCH v5 1/4] riscv: Move kernel mapping to vmalloc zone
WebOct 26, 2009 · In there I'm noticing some comments pertaining to x86_64: /* * We can't declare FIXADDR_TOP as variable for x86_64 because vsyscall * uses fixmaps that … WebSystem calls in the Linux kernel. Part 3. vsyscalls and vDSO. This is the third part of the chapter that describes system calls in the Linux kernel and we saw preparations after a system call caused by a userspace application and process of handling of a system call in the previous part.In this part we will look at two concepts that are very close to the … how to set companion affinity fallout 4
pid_page_tables/pid_page_tables.c at main - Github
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