Messages in this thread | | | Subject | Re: 2.6.18 Headers - Long | From | David Woodhouse <> | Date | Sat, 15 Jul 2006 08:19:42 +0100 |
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On Fri, 2006-07-14 at 13:57 -0700, Jim Gifford wrote: > Do we have a list of what headers are "user-space" and which ones should > not be "user-space"?
Well, we have the lists in include/*/Kbuild files, of course -- but that's all. As I've stated before, I've been somewhat liberal with the exports to far, to match what's currently (ab)used, because I wanted to concentrate on the _mechanism_, not the policy.
The intention is that we can now start to tighten it up -- I've already sent the patches which drop asm/atomic.h and asm/io.h, and there are more which should go. Next on that list (and already commented as such in include/asm-generic/Kbuild.asm) are asm/page.h and asm/elf.h.
> Also David W, let me know what I can do to help you out, a lot of people > on my end want to get this working properly.
Thanks. One thing you can do which would be extremely useful is to investigate dropping page.h and elf.h, and make sure that stuff like gdb (and anything using ptrace.h) will still build. Then just look for anything else which should be removed from view. The git repository at http://git.kernel.org/git/?p=linux/kernel/git/dwmw2/kernel-headers.git (git://git.kernel.org/pub/scm/linux/kernel/git/dwmw2/kernel-headers.git) should help with that task. Provide patches to move stuff within #ifdef __KERNEL__ or to move it to unexported files.
There are some who think that it would be nice to get rid of __KERNEL__ entirely -- files would be either entirely exported, or not at all. I don't think we necessarily need to go that far; the export step with unifdef isn't so bad.
-- dwmw2
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