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A little bit about a linux kernel

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In part 6 of the kernel booting process [1], you reference start_kernel() in init/main.c as if it had been discussed previously. However, this is the first time I've seen either...

enhancement
need-to-fix

![WechatIMG47](https://user-images.githubusercontent.com/6214861/82003947-aab77300-962f-11ea-885c-b1e18e2c75d2.jpeg)

enhancement
help wanted

Thanks for this great Gitbook. Well written. The `vsyscalls` chapter talks about `context switch` and `switching contexts`. Isn't this the actual CPU mode switch(user vs kernel mode) rather than the...

need-clarification

which means the links of all *.txt link is invalid now

help wanted

Probably need rework. The current description bases on its definition in the arch/x86/boot/boot.h, while is not belonged to vmlinux, it is belonged to ZO image, which is produced under arch/x86/boot....

enhancement
need-clarification

Didn't find anything regarding wake capable sources, in particular interrupts. Would be nice to shed a little light on the topic.

enhancement
help wanted

It would be a great complement to your splendid text book, I think Thanks!

help wanted