On Wed, Sep 16, 2015 at 04:49:31PM +0100, Boqun Feng wrote:
> On powerpc, we don't need a general memory barrier to achieve acquire and
> release semantics, so __atomic_op_{acquire,release} can be implemented
> using "lwsync" and "isync".I'm assuming isync+ctrl isn't transitive, so we need to get to the bottom of the s390 thread you linked me to before we start spreading this further: https://lkml.org/lkml/2015/9/15/836 Will -- 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/
