Re: [PATCH] i386: clean up user_mode() use

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* Linus Torvalds <[email protected]> wrote:

> On Sun, 2 Jul 2006, [email protected] wrote:
> > 
> > the fact that arch *independent* code makes use of user_mode() was 
> > apparently lost on you.
> 
> Argh. Yes, there's one single use, apparently.
> 
> Sad.

but even for new non-generic per-arch code a couple of security holes 
were introduced due to the existing semantics of user_mode(). So this 
indeed changes semantics and it's totally intentional.

so i think we should bite the bullet and should apply this patch. We 
have a constant influx of user_mode() using code and as practice has 
shown it, people dont really consider the vm86 angle of it.

	Ingo
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