On Wed, 28 Aug 2013 15:05:29 +0200 Peter Zijlstra <[email protected]> wrote:
> On Wed, Aug 28, 2013 at 08:59:57AM -0400, Steven Rostedt wrote: > > On Wed, 28 Aug 2013 10:19:37 +0200 > > Peter Zijlstra <[email protected]> wrote: > > > Spin locks only prevent leaks out of the critical section. It does not > > guarantee leaks into the critical section, thus: > > What's your point? You're just re-iterating the semantics in case > anybody forgot about them? I think we are all misunderstanding each other. It sounded like you didn't want to reimplement a lock to remove memory barriers. Are you for the smp_mb__after_spin_unlock() ? I'm getting confused by who is arguing what :-) -- Steve -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to [email protected] More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
