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I was asked this question in an interview. You are writing a PCI driver and you want to export the hardware-related information to the /proc filesystem. The interesting thing is that I searched the dr
A linux kernel newbie question. the man pag开发者_开发问答es of mmap state that \".. otherwise, it shall return a value of MAP_FAILED and set errno to indicate the error... \"
Hay guys! I\'m changing the kernel code at the Rat Hat OS and I want to use the macro开发者_运维百科 \"list entry\".
How could 开发者_开发技巧I retrieve the system call address from /proc/kcore. I could get the system call table address from System.map file.If you\'re using an x86-based machine, you can use the sidt
I am trying to follow this book to gain a bit of understanding of how the Linux kernel works. What I can\'t really wrap my head around is that I can\'t understand开发者_如何学C how Linux detects a fil
Im writing a kernel driver interfacing over i2c and I do a read from the bus interface chip in multiple places. Some are done from the user space via an ioctl and others occur on an interrupt. The rea
I\'m confronting the Linux kernel build system (Kbuild, kernel ≥2.6.28) with the directory structure and build system for a larger project. Our project contains an out-of-tree Linux kernel module, an
Is there any way i can mark a page execute only with no rea开发者_JS百科d permissions ? (i.e able to execute instructions on that page without having read permissions of that page which is executable.
What happens to a child process whose parent process is terminated ab开发者_JAVA技巧ruptly without waiting? Does the child process die too?The child gets reparented to init.No, it becomes \'orphaned\'
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