On Thu, 9 Mar 2006, Paul Mackerras wrote: > > If you ask me, the need for mmiowb on some platforms merely shows that > those platforms' implementations of spinlocks and read*/write* are > buggy... You could also state that same as "If you ask me, the need for mmiowb on some platforms merely shows that those platforms perform like a bat out of hell, and I think they should be slower" because the fact is, x86 memory barrier rules are just about optimal for performance. Linus - 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/
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