Le jeudi 19 août 2010 à 08:35 -0400, Mathieu Desnoyers a écrit : > I made sure it was available on all architectures with that patchset, > with the intended goal to used it (cmpxchg, cmpxchg_local for 32/64-bit > and cmpxchg64, cmpxchg64_local for 64-bit) in arch-agnostic tracer code. > > I added a cmpxchg emulated with irqs off for uniprocessor-only > architectures that did not have CAS support. sparc32 has moved to a > hashed locked scheme for its atomic operations long ago, which makes the > full 32 bits available. > > So, all in all, I'd be surprised if an architecture would lack > cmpxchg() today. It might be possible that a new architecture that just > came in would not have taken care of deploying cmpxchg, but that should > be easily fixable. Thats pretty cool, thanks for clarification ! -- To unsubscribe from this list: send the line "unsubscribe netfilter-devel" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
