On 06/02/2014 10:25 AM, Waiman Long wrote: > > Doing an xchg is a very expensive operation compared with ACCESS_ONCE. I > will not suggest doing that to make it right for PA-RISC at the expense > of performance in other architectures. > And of course, this gets into the toxic question: what are reasonable minimum requirements for Linux? How far do we need to stretch to support niche architectures which have very small (Linux) userbases? -hpa -- To unsubscribe from this list: send the line "unsubscribe linux-parisc" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
