Re: AUDIT: copy_from_user is a deathtrap.

Linus Torvalds
2002-05-22T16:11:52Z

On Wed, 22 May 2002, Pavel Machek wrote:
> >
> > Its festering quietly in the glibc source tree where all large and
> > dubiously justifiable hacks seem to end up
>
> In such case, linus, here is your "reasonable" example. For PPro, it
> is faster to copy out-of-order, and if we wanted to use that for
> copy_to_user, you'd have your example.

Hey, you didn't read Alan's email.

The fact that glibc may use it is a strike _against_ your example.

Have you looked at glibc performance lately?

Linus