Re: [PATCH 0/2] ring_buffer: updates for linux-tip

Ingo Molnar
2008-10-01T07:23:31Z

* Frédéric Weisbecker <fweisbec@gmail.com> wrote:

> 2008/10/1 Steven Rostedt <rostedt@goodmis.org>:
> > The first patch is just a lockdep clean up of the ring buffer.
> >
> > The next patch is a new locking design. It is not lockless (yet) but
> > the locking is a bit cleaner than the original. The basic idea is
> > that the reader now has its own page to read from that is not in
> > the ring buffer. When the reader (a consumer) finishes a page, it
> > then grabs a lock to pull out a new page from the ring buffer and
> > replace it with the one that it just finished reading.
>
> Good idea! Sounds a real saner approach.

are the tracer problems you've reported yesterday fixed in latest
tip/master?

Ingo