K 10 svn:author V 6 marius K 8 svn:date V 27 2013-08-06T15:34:11.836923Z K 7 svn:log V 304 Add MD (for now) atomic_store_acq_() and use it in pmap_activate() to get the semantics when setting the PMAP right. Prior to r251782, the latter already used implicit acquire semantics, which - currently - means to not employ additional explicit memory barriers under the hood (see also r225889). END