RE: [PATCH 00/15] v5 kernel core pieces refcount conversions

From: Reshetova, Elena
Date: Fri Sep 01 2017 - 13:09:25 EST


> On Fri, Sep 1, 2017 at 2:48 AM, Peter Zijlstra <peterz@xxxxxxxxxxxxx> wrote:
> > On Thu, Aug 31, 2017 at 04:48:00PM -0700, Kees Cook wrote:
> >> On Wed, Aug 30, 2017 at 5:22 AM, Elena Reshetova
> >> <elena.reshetova@xxxxxxxxx> wrote:
> >> > Now we have at least x86 support for ARCH_HAS_REFCOUNT merged and
> >> > arm and others on their way.
> >> >
> >> > Changes in v5:
> >> > * Kees catched that the following changes in
> >> > perf_event_context.refcount and futex_pi_state.refcount
> >> > are not correct now when ARCH_HAS_REFCOUNT is enabled:
> >> > - WARN_ON(!atomic_inc_not_zero(refcount));
> >> > + refcount_inc(refcount);
> >> > So they are now changed back to using refcount_inc_not_zero.
> >>
> >> Thanks!
> >>
> >> Reviewed-by: Kees Cook <keescook@xxxxxxxxxxxx>
> >>
> >> Andrew, are you able to carry these patches in -mm, since they span a
> >> bunch of core kernel areas?
> >
> > No.. these patches should go through the regular trees that maintain
> > these various parts.
>
> Okay, sounds fine. Elena, can you split these up? (You'll probably
> have to examine MAINTAINERS and/or git history for each patch...)

Well, I can do this, but patches are already fully independent for cherry-pick and all maintainers
should be in the CC list, so I was hoping people can pull into their trees from this series.
But if people want to split, I can do a split...

Best Regards,
Elena.

>
> -Kees
>
> --
> Kees Cook
> Pixel Security