Re: __CHECKER__, __user, and user-space pointers in the kernel

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Greg KH wrote:

Look in the latest -bk tree, it's there.

Ok, I found it, and it's worthless. It's basically also available via http://www.linuxhq.com/kernel/v2.6/10-bk12/Documentation/sparse.txt. This file talks about one specific issue, and then talks about how to get/install sparse and use it. It doesn't talk about __CHECKER__ at all, or what sparse does, or anything like that.


Read Linus's various postings about it, and how to use it, in the lkml
archives.

Unfortunately, you're being too vague with these instructions. It's not possible to find Linus' posts on anything in the lkml archive unless you give me either a date range, or preferably, a subject title or something. The lkml archives are enormous, and I cannot find the posts you're talking about.


What, you expect documentation for a useful kernel tool? :)

No, since I've been working on the Linux kernel long enough to know that kernel developers don't respect learners enough to provide them with good documentation on anything. I know you're trying to be light-hearted about this, but I don't think the sorry state of Linux kernel documentation is a joke any more.


--
Timur Tabi
Staff Software Engineer
timur.tabi@xxxxxxxxxxx

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