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On Fri, 2004-11-26 at 09:47 -0200, Alexandre Oliva wrote: > On Nov 25, 2004, Matthew Wilcox <matthew@wil.cx> wrote: > > > On Thu, Nov 25, 2004 at 04:20:06PM -0200, Alexandre Oliva wrote: > >> This means these headers shouldn't reference each other as > >> linux/user/something.h, but rather as linux/something.h, such that > >> they still work when installed in /usr/include/linux. This may > >> require headers include/linux/something.h to include > >> linux/user/something.h, but that's already part of the proposal. > > > That's going to take severe brain-ache to get right ... and worse, > > keep right. These headers aren't going to get tested outside the kernel > > tree often. So we'll have missing includes and files that only work if > > the <linux/> they're including is a kernel one rather than a user one. > > How about moving the internals (i.e., what's not to be exported to > userland) from linux and asm elsewhere, then? > > Sure, it means significantly more churn in the kernel, but there's > going to be a lot of moving stuff around one way or the other. Not really. The kernel code was what was _allowed_ to be using those headers with those names in the first place; it was userspace which shouldn't necessarily have been doing so. > While at that, we could also split what's kernel internal for real and > what's to be visible to external kernel modules as well. So we'd have > 3 layers of headers, instead of two. I'm not sure this actually makes > any sense though, since there might be lots of dependencies of headers > for modules on internal headers. All modules will be entirely dependent on the full set of kernel headers. Let's not go there. -- dwmw2 - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/ | ||||||||||
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