Andrew Morton writes: > So foo_mb() in preemptible code is potentially buggy. > > I guess we assume that a context switch accidentally did enough of the > right types of barriers for things to work OK. The context switch code on powerpc includes an mb() for exactly this reason. Paul. - 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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