Re: [PATCH 1/5] lguest host feedback tidyups

[Al Viro]

On Sun, May 13, 2007 at 02:07:25PM +1000, Rusty Russell wrote:
> Most importantly, I now realize that Christoph's incorrect ranting
> about lgread_u32 et al was in fact a subtle ploy to make me diagnose
> the real issue: sparse 0.3 complains about casting a __user pointer
> to/from u32, but not an "unsigned long".  They are (currently)
> equivalent for lguest, but this is a much better solution than __force.

The real fix would be to declare it with u32 __user * as argument and deal
with callers.
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