Re: slab.c use of __get_user and sparse

From: Sam Ravnborg
Date: Sat Jan 15 2005 - 17:29:11 EST


On Sat, Jan 15, 2005 at 11:01:51PM +0100, Andi Kleen wrote:
> > Based on the comment it is understood that suddenly this pointer points
> > to userspace, because the module got unloaded.
> > I wonder why we can rely on the same address now the module got unloaded -
> > we may risk this virtual address is taken over by someone else?
>
> The address is not user space; you would be lying.
Which is very bad - dropped slab.c for now.

Sam
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