Messages in this thread | | | Date | Fri, 12 Jun 2009 16:00:46 +0200 | From | Ingo Molnar <> | Subject | Re: [GIT PULL] kmemcheck for mainline |
| |
* Pekka Enberg <penberg@cs.helsinki.fi> wrote:
> 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.
+1
I've been testing kmemcheck in -tip for 1.5 years meanwhile and in terms of maintenance overhead it was never troublesome to have around.
Ingo
| |