CVS: cvs.openbsd.org: src

[Mark Kettenis]

CVSROOT:        /cvs
Module name:    src
Changes by:     kette...@cvs.openbsd.org        2017/05/27 14:12:12

Modified files:
        sys/arch/i386/include: atomic.h 
        sys/arch/amd64/include: atomic.h 

Log message:
On i386 and amd64, atomic instructions include an implicit memory barrier.

ok mikeb@, visa@, mpi@