On Wed, Aug 28, 2013 at 08:59:57AM -0400, Steven Rostedt wrote: > On Wed, 28 Aug 2013 10:19:37 +0200 > Peter Zijlstra <pet...@infradead.org> wrote: > > > > > An unlock followed by a lock needs to act like a full barrier, but there > > > is no requirement that a lock or unlock taken separately act like a > > > full barrier. > > > > But that is already a property of the acquisition/release barrier. > > As I mentioned in my fixes for the -rt swait barrier patches I sent.
Not to me you didn't ;-) > 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? -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majord...@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/