Re: [GIT PULL] kmemcheck for mainline

[Pekka Enberg <penberg@cs.helsinki.fi>]

Hi Linus,

On Fri, Jun 12, 2009 at 4:31 PM, Vegard Nossum<vegard.nossum@gmail.com> wrote:
> Please consider pulling the kmemcheck tree;
>
> kmemcheck is a feature which can (at run-time) detect some uses of
> uninitialized memory within the kernel, similarly to what Valgrind's memcheck
> does for userspace programs. We also have the ability to find use-after-free
> errors and leaks of uninitialized data to userspace, both with a false-
> positive rate of zero.
>
> kmemcheck is self-contained in the sense that when CONFIG_KMEMCHECK=n, it has
> no effect on the compiled kernel whatsoever. Our code has lived in the -tip
> tree and been in -next for over a year, and has the acks of x86 and slab
> maintainers (Ingo and Pekka). Inclusion in mainline would lower the threshold
> for building and running kmemcheck-enabled kernels, which would also
> hopefully increase testing coverage of the rest of the kernel code.

I hope I didn't burn all my karma for this merge window with the slab
early boot patches but:

Acked-by: Pekka Enberg <penberg@cs.helsinki.fi>

for this pull request.

                                      Pekka