[PATCH] root-hopping for pre-2.3.41-3

[H. Peter Anvin]

Horst von Brand wrote:
> 
> almesber en lrc.di.epfl.ch said:
> > Horst von Brand wrote:
> > > I'd say go with the proposal of the fake root/cwd directory for kernel
> > > threads that don't need access to the filesystem (all of them, I
> > > guess). Cleanest way out, unless you allow them to live without root/cwd.
> 
> > I agree with clean. The main problem here is to catch all threads/processes,
> > including the ones not (yet) in the mainstream kernel and those which people
> > haven't even written yet. I don't want something that breaks every once in a
> > while in subtle ways for some silly and apparently unrelated reason.
> 
> As a (mostly) bystander, I find the idea of kernel internal threads
> rooted in the filesystem somewhat strange, to be honest. That's why
> I'd go for getting rid of that "feature".
> 

Well, the reason for it is for orthogonality in the kernel; avoiding
special cases.  I like the fake root/cwd idea, because it lets us create
the special case without breaking orthogonality.

	-hpa

-- 
<hpa en transmeta.com> at work, <hpa en zytor.com> in private!
"Unix gives you enough rope to shoot yourself in the foot."

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