Re: [patch][resend] convert a remaining verify_area to access_ok (was: Re: [PATCH 2.6.11-mm1] mips: more convert verify_area to access_ok) (fwd)

[Ralf Baechle <ralf@linux-mips.org>]

On Fri, Mar 18, 2005 at 01:17:47AM +0100, Jesper Juhl wrote:

> I hope I did a descent job and that you didn't waste too much time 
> duplicating effort...

Didn't look too hard at it since my patch of something like 2,500 lines
should be a superset of yours.

> > The last instance of verify_area() in the MIPS code is now the definition
> > itself.
> > 
> The plan is to wait for a few months (or a few kernel releases - whichever 
> comes first) and then I'll send Andrew patches to remove it completely.
> There are still a few related nits left, like the FPU_verify_area function 
> arch/i386/math-emu/reg_ld_str.c and the rw_verify_area function in 
> fs/read_write.c that I want to get out of the way first (think I'll 
> probably end up attempting to rename those s/verify_area/access_ok/ and 
> see if people scream).

Access_ok was introduced in 2.1.4.  Easy for people to write code that's
portable and so verify_area should die a peaceful death.

  Ralf