CVS: cvs.openbsd.org: src

[Mark Kettenis]

CVSROOT:        /cvs
Module name:    src
Changes by:     kette...@cvs.openbsd.org        2014/09/07 16:19:33

Modified files:
        sys/arch/amd64/include: atomic.h 

Log message:
Implement membar(9) API for amd64.

ok dlg@, guenther@