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 _______________________________________________ Linuxppc-dev mailing list Linuxppc-dev@lists.ozlabs.org https://lists.ozlabs.org/listinfo/linuxppc-dev
