On Fri, Mar 24, 2006 at 12:52:09AM +0100, Blaisorblade wrote:
> We could even do without __private_ptr, and that's surely easier to do.
> Actually I think that it could be done like for i386:
We can, but I'm looking for a safe patch to quiet the warnings. I did
strip down __get_user and __put_user with no apparent ill effects, but
I'm not happy sending something like that off to Andrew with 5 minutes
of testing. I'll put the cleanup patch in my development tree and if
I don't see any problems, then I'll send it off.
> However, I think that get_user doesn't guarantee a "full copy" semantic -
> include/asm-i386/uaccess.h says it zeroes the dest var on error, so we're
> safe.
Yeah, I think so. In which case, these become pretty thin wrappers
around copy_{to,from}_user.
Jeff
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