dsb

Links:

1) https://stackoverflow.com/questions/15491751/real-life-use-cases-of-barriers-dsb-dmb-isb-in-arm

2) http://www.rdrop.com/users/paulmck/scalability/paper/whymb.2010.07.23a.pdf

3) https://community.arm.com/arm-community-blogs/b/architectures-and-processors-blog/posts/memory-access-ordering---an-introduction

4)