Re: [PATCH] RT: Checks for cmpxchg in get_task_struct_rcu()

Ingo Molnar
2005-09-26T06:47:31Z

* Nick Piggin <nickpiggin@yahoo.com.au> wrote:

> On Mon, 2005-09-26 at 08:26 +0200, Ingo Molnar wrote:
> > * Nick Piggin <nickpiggin@yahoo.com.au> wrote:
> >
> > > You need my atomic_cmpxchg patches that provide an atomic_cmpxchg (and
> > > atomic_inc_not_zero) for all architectures.
> >
> > yeah. When will they be merged upstream?
> >
>
> Well they're in -mm now, you can put them in your RT tree until
> they're in mainline... I guess realistically, 2.6.15. They should blow
> up fairly quickly if there are any problems with them, but they simply
> need a bit of testing on all architectures which I cannot do and I
> suspect even -mm isn't tested on at least half of them.

very good - i'll put them into -rt.

Ingo